LTC6261 LINER
Document overview
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Technical content
1For more information www.linear .com/L TC6261
ApplicAtions
n Micropower Active Filters n Portable Instrumentation n Battery or Solar Powered Systems n Automotive Electronics n Gain Bandwidth Product: 30MHz n Low Quiescent Current: 240µA n Op Amp Drives up to 1nF Capacitive Loads n Offset Voltage: 400µV Maximum n Rail-to-Rail Input and Output n Supply Voltage Range: 1.8V to 5.25V n Input Bias Current: 100nA Maximum n CMRR/PSRR: 100dB/95dB n Shutdown Current: 10µA Maximum n Operating Temperature Range: –40°C to 125°C n Single in 6-Lead TSOT-23, 2mm × 2mm DFN Packages n Dual in 8-Lead MS8, MS10, TS0T-23, 2mm × 2mm DFN Packages n Quad in MS16 Package typicAl ApplicAtion
Description
30MHz, 240µA Power Efficient Rail-to-Rail I/O Op Amps The LT C®6261/L TC6262/L TC6263 are single/dual/quad op- erational amplifiers with low noise, low power , low supply voltage, and rail-to-rail inputs and outputs. They are unity gain stable with capacitive loads up to 1nF. They feature 30MHz gain-bandwidth product, 7V /µs slew rate while consuming only 240µA of supply current per amplifier operating on supply voltages ranging from 1.8V to 5.25V . The combination of low supply current, low supply voltage, high gain bandwidth product and low noise makes the L TC6261 family unique among rail-to-rail input/output op amps with similar supply current. These operational ampli- fiers are ideal for low power and low noise applications. For applications that require power -down, the L TC6261 and L TC6262 in MSOP-10 offer shutdown which reduces the current consumption to 10µA maximum. The L TC6261 family can be used as plug-in replacements for many commercially available op amps to reduce power and improve input/output range and performance. L, L T , L TC, L TM, Linear Technology and the Linear logo are registered trademarks and Over-The-Top and C-Load are trademarks of Analog Devices, Inc. All other trademarks are the property of their respective owners. Low Power , Low Distortion ADC Driver
FeAtures
L TC6261 Driving L TC2362 ADC
626123 TA01b
VIN = –1dBFS, 5kHz fS = 250kSps SNR = 72dB THD = –83.6dB SFDR = 86dB FREQUENCY (kHz) –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 MAGNITUDE (dB) L TC6261 3.3V 3.3V IN OUT
626123 TA01a
1.74k RF2 2.74k CF1 10pF RFIL T 100/uni03A9 CFIL T 10nF L TC2362 GND CS SDO SCK OVDD AIN VDD VREF
626123fa For more information www.linear .com/L TC6261 Absolute MAxiMuM rAtings 0mA 20mA definite Operating Temperature Range (Note 4) (Note 1) TOP VIEW OUT –IN SHDN V +IN DC PACKAGE 6-LEAD (2mm × 2mm × 0.8mm) PLASTIC DFN TJMAX = 150°C, qJA = 80°C/W (NOTE 6) EXPOSED PAD (PIN 7) IS V–, MUST BE SOLDERED TO PCB TOP VIEW OUTA –INA +INA OUTB –INB +INB DC PACKAGE 8-LEAD (2mm × 2mm × 0.8mm) PLASTIC DFN 3 6 TJMAX = 150°C, qJA = 80°C/W (NOTE 6) EXPOSED PAD (PIN 9) IS V–, MUST BE SOLDERED TO PCB TOP VIEW TS8 PACKAGE 8-LEAD PLASTIC TSOT-23 OUTB –INB +INB OUTA –INA +INA V – + TJMAX = 150°C, qJA = 195°C/W (NOTE 6) OUTA –INA +INA V OUTB –INB +INB TOP VIEW MS8 PACKAGE 8-LEAD PLASTIC MSOP TJMAX = 150°C, qJA = 163°C/W (NOTE 6) OUTA –INA +INA V SHDNA V OUTB –INB +INB SHDNB TOP VIEW MS PACKAGE 10-LEAD PLASTIC MSOP TJMAX = 150°C, qJA = 160°C/W (NOTE 6) OUTA –INA +INA V +INB –INB OUTB NC OUTD –IND +IND V +INC –INC OUTC NC TOP VIEW MS PACKAGE 16-LEAD PLASTIC MSOP TJMAX = 150°C, qJA = 125°C/W (NOTE 6) TOP VIEW S6 PACKAGE 6-LEAD PLASTIC TSOT-23 V SHDN –IN OUT V +IN + – TJMAX = 150°C, qJA = 192°C/W (NOTE 6) pin conFigurAtion Specified Temperature Range (Note 5) 0°C 65°C to 150°C Lead Temperature (Soldering, 10 sec) 0°C
3For more information www.linear .com/L TC6261 orDer inForMAtion 5V electricAl chArActeristics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VSUPPL Y = 5V , VCM = VOUT = VSUPPL Y/2, CL = 10pF , VSHDN is unconnected. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage VCM = V– + 0.3V (PNP Region) l –400 –1000 50 400 1000 µV µV VCM = V+ – 0.3V (NPN Region) l –400 –1000 50 400 1000 µV µV VOS TC Input Offset Voltage Drift VCM = V– + 0.3V , V+ – 0.3V l 0.4 µV/°C IB Input Bias Current (Note 7) VCM = V– + 0.3V l –100 –150 –60 50 150 nA nA V CM = V+ – 0.3V l –50 –150 10 50 150 nA nA I OS Input Offset Current VCM = V– + 0.3V l –50 –100 2 50 100 nA nA V CM = V+ – 0.3V l –50 –100 2 50 100 nA nA e n Input Voltage Noise Density f = 1kHz 13 nV/√Hz Input Noise Voltage f = 0.1Hz to 10Hz 1.25 µVP-P TAPE AND REEL (MINI) TAPE AND REEL PART MARKING* PACKAGE DESCRIPTION SPECIFIED TEMPERATURE RANGE L TC6261IS6#TRMPBF L TC6261IS6#TRPBF L TGWF 6-Lead Plastic TSOT-23 –40°C to 85°C L TC6261HS6#TRMPBF L TC6261HS6#TRPBF L TGWF 6-Lead Plastic TSOT-23 –40°C to 125°C L TC6261IDC#TRMPBF L TC6261IDC#TRPBF LGZT 6-Lead (2mm × 2mm × 0.8mm) Plastic DFN –40°C to 85°C L TC6261HDC#TRMPBF L TC6261HDC#TRPBF LGZT 6-Lead (2mm × 2mm × 0.8mm) Plastic DFN –40°C to 125°C L TC6262ITS8#TRMPBF L TC6262ITS8#TRPBF L TGWK 8-Lead Plastic TSOT-23 –40°C to 85°C L TC6262HTS8#TRMPBF L TC6262HTS8#TRPBF L TGWK 8-Lead Plastic TSOT-23 –40°C to 125°C L TC6262IDC#TRMPBF L TC6262IDC#TRPBF LGWG 8-Lead (2mm × 2mm × 0.8mm) Plastic DFN –40°C to 85°C L TC6262HDC#TRMPBF L TC6262HDC#TRPBF LGWG 8-Lead (2mm × 2mm × 0.8mm) Plastic DFN –40°C to 125°C L TC6262IMS8#PBF L TC6262IMS8#TRPBF L TGWJ 8-Lead Plastic MSOP –40°C to 85°C L TC6262HMS8#PBF L TC6262HMS8#TRPBF L TGWJ 8-Lead Plastic MSOP –40°C to 125°C L TC6262IMS#PBF L TC6262IMS#TRPBF L TGWM 10-Lead Plastic MSOP –40°C to 85°C L TC6262HMS#PBF L TC6262HMS#TRPBF L TGWM 10-Lead Plastic MSOP –40°C to 125°C L TC6263IMS#PBF L TC6263IMS#TRPBF 6263 16-Lead Plastic MSOP –40°C to 85°C L TC6263HMS#PBF L TC6263HMS#TRPBF 6263 16-Lead Plastic MSOP –40°C to 125°C Consult L TC Marketing for parts specified with wider operating temperature ranges. *The temperature grade is identified by a label on the shipping container . Parts ending with PBF are RoHS and WEEE compliant. For more information on lead free part marking, go to: http://www .linear .com/leadfree/ For more information on tape and reel specifications, go to: http://www.linear .com/tapeandreel/. http://www.linear .com/product/L TC6261#orderinfo
626123fa For more information www.linear .com/L TC6261 5V electricAl chArActeristics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VSUPPL Y = 5V , VCM = VOUT = VSUPPL Y/2, CL = 10pF , VSHDN is unconnected. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS in Input Current Noise Density f = 1kHz, VCM = 0V to 4V (PNP Input) f = 1kHz, VCM = 4V to 5V (NPN Input) 600 600 fA/√Hz fA/√ Hz RIN Input Resistance Differential Common Mode MΩ MΩ C IN Input Capacitance Differential Common Mode 0.4 0.3 pF pF CMRR Common Mode Rejection Ratio V CM = 0.3V to 3.5V l 68 100 dB VCM = –0.1V to 5.1V l 70 95 dB IVR Input Voltage Range l –0.1 5.1 V PSRR Power Supply Rejection Ratio VCM = 0.4V , VS Ranges from 1.8V to 5V l 95 dB dB Supply Voltage Range l 1.8 5.25 V AV Large Signal Gain VOUT = 0.5V to 4.5V , RLOAD = 10k l 100
200 V/mV
VOUT = 0.5V to 4.5V , RLOAD = 1k l
100 V/mV
V /mV VOL Output Swing Low (Input Overdrive 30mV). Measured from V No Load l 35 120 mV ISINK = 100µA l 50 120 mV ISINK = 1mA l 100 170 mV VOH Output Swing High (Input Overdrive 30mV). Measured from V No Load l 60 130 mV ISOURCE = 100µA l 70 140 mV ISOURCE = 1mA l 95 150 mV ISC Output Short-Circuit Current l 40 mA mA I S Supply Current per Amplifier l 215 160 245 265 300 µA µA Supply Current in Shutdown l 5 7 µA µA I SHDN Shutdown Pin Current VSHDN = 0.6V VSHDN = 1.5V l l –10 150 700 130 nA nA V IL SHDN Input Low Voltage Disable l 0.6 V VIH SHDN Input High Voltage Enable l 1.5 V tON Turn-On Time SHDN Toggle from 0V to 5V 15 µs tOFF Turn-Off Time SHDN Toggle from 5V to 0V 6 µs GBW Gain-Bandwidth Product f = 200kHz l
30 MHz
t S Settling Time, 0.5V to 4.5V , Unity Gain 0.1% 0.01% 0.4 0.5 µs µs SR Slew Rate A V = –1, VOUT = 0.5V to 4.5V , CLOAD = 10pF , RF = RG = 10kΩ l 4.5 3.5 7 16 V /µs V /µs FPBW Full Power Bandwidth (Note 8) 4VP-P 560 kHz THD+N Total Harmonic Distortion and Noise f = 1kHz, AV = 2, RL = 4kΩ, VOUTP-P = 1V VIN = 2.25V to 2.75V 0.0012 dB ILEAK Output Leakage Current in Shutdown V SHDN = 0V , VOUT = 0V VSHDN = 0V , VOUT = 5V l l –100 –100 100 100 nA nA
5For more information www.linear .com/L TC6261 1.8V electricAl chArActeristics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VSUPPL Y = 1.8V , VCM = VOUT = 0.4V , CL = 10pF , VSHDN is unconnected. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage VCM = V– + 0.3V l –400 –1000 100 400 1000 µV µV VCM = V+ – 0.3V l –400 –1000 100 400 1000 µV µV VOS TC Input Offset Voltage Drift VCM = V– + 0.3V , V+ – 0.3V l 0.4 µV/°C IB Input Bias Current (Note 7) VCM = V– + 0.3V l –100 –150 –10 100 150 nA nA V CM = V+ – 0.3V l –50 –150 10 50 150 nA nA I OS Input Offset Current VCM = V– + 0.3V l –150 150 nA VCM = V+ – 0.3V l –150 150 nA en Input Voltage Noise Density f = 1kHz, VCM = 0.4V 13 nV/√Hz Input Noise Voltage f = 0.1Hz to 10Hz 1.25 µVP-P in Input Current Noise Density f = 1kHz, VCM = 0V to 0.8V (PNP Input) f = 1kHz, VCM = 1V to 1.8V (NPN Input) 600 600 fA/√Hz fA/√ Hz RIN Input Resistance Differential Common Mode MΩ MΩ C IN Input Capacitance Differential Common Mode 0.4 0.3 pF pF CMRR Common Mode Rejection Ratio V CM = 0.2V to 1.6V l 90 dB dB IVR Input V oltage Range l –0.1 1.9 V PSRR Power Supply Rejection Ratio VCM = 0.4V , VS Ranges from 1.8V to 5V l 95 dB dB A V Large Signal Gain VOUT = 0.5V to 1.3V , RLOAD = 10k l V /mV VOUT = 0.5V to 1.3V , RLOAD = 1k l
35 V/mV
VOL Output Swing Low (Input Overdrive 30mV), Measured from V No Load l 35 50 100 mV mV I SINK = 100µA l 47 65 100 mV mV I SINK = 1mA l 100 150 180 mV mV
626123fa For more information www.linear .com/L TC6261 Note 1: Stresses beyond those listed under Absolute Maximum Ratings may cause permanent damage to the device. Exposure to any Absolute Maximum Rating condition for extended periods may affect device reliability and lifetime. Note 2: The inputs are protected by back-to-back diodes as well as ESD protection diodes to each power supply. If the differential input voltage exceeds 3.6V or the input extends more than 500mV beyond the power supply, the input current should be limited to less than 10mA. Note 3: A heat sink may be required to keep the junction temperature below the absolute maximum rating when the output is shorted indefinitely. Note 4: LTC6261I/LTC6262I/LTC6263I are guaranteed functional over the temperature range of –40°C to 125°C. The LTC6261H/LTC6262H/ LTC6263H are guaranteed functional over the temperature range of –40°C to 125°C. 1.8V electricAl chArActeristics The l denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C. VSUPPL Y = 1.8V , VCM = VOUT = 0.4V , CL = 10pF , VSHDN is unconnected. SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOH Output Swing High (Input Overdrive 30mV), Measured from V+ No Load l 45 75 100 mV mV I SOURCE = 100µA l 50 75 100 mV mV I SOURCE = 1mA l 80 150 170 mV mV I SC Output Short-Circuit Current l 20 mA mA IS Supply Current per Amplifier l 215 150 240 275 300 µA µA Supply Current in Shutdown l 1.5 2.5 µA µA I SHDN Shutdown Pin Current VSHDN = 0.5V VSHDN = 1.3V l l –10 200 nA nA VIL SHDN Input Low Voltage Disable l 0.6 V VIH SHDN Input High Voltage Enable l 1.3 V tON Turn-On Time SHDN Toggle From 0V to 1.8V 20 µs tOFF Turn-Off Time SHDN Toggle From 1.8V to 0V 12 µs GBW Gain-Bandwidth Product f = 200kHz l
28 MHz
T S Settling Time, 0.3V to 1.5V , Unity Gain 0.1% 0.01% 0.2 0.3 µs µs SR Slew Rate A V = –1, VOUT = 0.3V to 1.5V , CLOAD = 10pF RF = RG = 10kΩ
6.5 V/µs
FPBW Full Power Bandwidth (Note 8) 1.2VP-P 1725 kHz THD+N Total Harmonic Distortion and Noise f = 1kHz, AV = 2, RL = 4kΩ, VOUTP-P = 1V VIN = 0.65V to 1.15V 0.025 dB No te 5: The LTC6261I/LTC6262I/LTC6263I are guaranteed to meet specified performance from –40°C to 85°C. The LTC6261H/LTC6262H/ LTC6263H are guaranteed to meet specified performance from –40°C to 125°C. Note 6: Thermal resistance varies with the amount of PC board metal connected to the package. The specified values are for short traces connected to the leads. Note 7: The input bias current is the average of the currents through the positive and negative input pins. Note 8: Full power bandwidth is calculated from the slew rate FPBW = SR/π • V P-P.
7For more information www.linear .com/L TC6261 typicAl perForMAnce chArActeristics VOS TC (–40°C to 125°C) VOS vs Supply Voltage (25°C) VOS vs Common Mode Voltage VOS vs IOUT Input Bias Current vs Common Mode Voltage Input Bias Current vs Common Mode Voltage Input V OS Histogram Input VOS Histogram VOS vs Temperature V S = ±2.5V V CM = 0V V OS (µV) –350 –250 –150 –50 150 250 350 NUMBER OF PARTS
626123 G01
V S = ±2.5V V CM = 2.2V V OS (µV) –350 –250 –150 –50 150 250 350 NUMBER OF PARTS
626123 G02
TEMPERATURE (°C) –40 –25 –10 110 125 –100 –80 –60 –40 –20 100 V OS (µV)
626123 G03
VS = ±2.5V VCM = 0V DISTRIBUTION (µV/°C) –0.5 –0.3 –0.1 0.1 0.3 0.5 NUMBER OF UNITS
626123 G04
V S = ±2.5V V CM =0V V cm = 0.4V SUPPL Y VOL TAGE (V) 1.8 2.4 3.0 3.6 4.2 4.8 5.4 –100 –80 –60 –40 –20 100 V OS (µV)
626123 G05
V s = 5V V CM (V) –0.5 0.5 1.5 2.5 3.5 4.5 5.5 –500 –400 –300 –200 –100 100 200 300 400 500 V OS (µV)
626123 G06
V S = ±2.5V V CM = 0V 125°C 25°C –40°C I OUT (mA) –0.8 –0.6 –0.4 –0.2 0.2 0.4 0.6 0.8 1.0 VOS (mV)
626123 G07
V S = 5V V CM (V) –0.5 0.5 1.5 2.5 3.5 4.5 5.5 –1000 –800 –600 –400 –200 200 400 600 800 1000 INPUT BIAS CURRENT (nA)
626123 G08
+IN –IN V S = 1.8V +IN –IN V CM (V) 0.3 0.6 0.9 1.2 1.5 1.8 INPUT BIAS CURRENT (µA)
626123 G09
626123fa For more information www.linear .com/L TC6261 typicAl perForMAnce chArActeristics Supply Current vs Temperature Output Saturation Voltage vs Load Current (Output High) Output Saturation Voltage vs Load Current (Output Low) Output Short-Circuit Current vs Supply Voltage (Sourcing) Output Short-Circuit Current vs Supply Voltage (Sinking) 0.1Hz to 10Hz Output Voltage Noise Input Bias Current vs Supply Voltage Input Bias Current vs Temperature Supply Current vs Supply Voltage per Channel V CM = 0.4V + IBIAS (nA) – IBIAS (nA) SUPPL Y VOL TAGE (V) 1.8 2.3 2.8 3.3 3.8 4.3 4.8 5.3 –50 –40 –30 –20 –10 INPUT BIAS CURRENT (nA)
6261 G10
V S = ±2.5V TEMPERATURE (°C) –40 –25 –10 110 125 –50 –40 –30 –20 –10 INPUT BIAS CURRENT (nA)
6262 G11
VCM = 2V; IB– VCM = 2V; IB+ VCM = 2V; IB– VCM = 2V; IB+ V S = 5V V CM = 0.4V SUPPL Y VOL TAGE (V) 100 150 200 250 300 SUPPL Y CURRENT (µA)
6261 G12
TA = 125°C TA = 25°C TA = –40°C V CM = 0.4V TEMPERATURE (°C) –50 –20 100 130 150 180 210 240 270 300 SUPPL Y CURRENT (µA)
6261 G13
VS = 1.8V VS = 5V VS = 1.8V/25°C VS = 1.8V/125°C VS = 1.8V/85°C VS = 1.8V/–40°C VS = 5V/25°C VS = 5V/125°C VS = 5V/85°C VS = 5V/–40°C LOAD CURRENT (mA) –250 –200 –150 –100 –50 SATURATION VOL TAGE FROM TOP RAIL (mV)
6261 G14
VS = 1.8V/25°C VS = 1.8V/125°C VS = 1.8V/85°C VS = 1.8V/–40°C VS = 5V/25°C VS = 5V/125°C VS = 5V/85°C VS = 5V/–40°C LOAD CURRENT (mA) 0.5 1.5 2.5 3.5 4.5 100 150 200 250 SATURATION VOL TAGE FROM BOTTOM RAIL (mV)
6261 G15
V CM = 0.4V TA = 25°C TA = 125°C TA = –40°C SUPPL Y VOL TAGE (V) 1.8 2.4 3.0 3.6 4.2 4.8 5.4 100 MAXIMUM SOURCING CURRENT (mA)
6261 G16
V CM = 0.4V SUPPL Y VOL TAGE (V) 1.8 2.4 3.0 3.6 4.2 4.8 5.4 MAXIMUM SINKING CURRENT (mA)
626123 G17
TA = –40°C TA = 25°C TA = 125°C V S = ±2.5V V CM = 0V A V = 1 TIME (s) NOISE VOL TAGE (µV)
626123 G18
9For more information www.linear .com/L TC6261 typicAl perForMAnce chArActeristics Total Harmonic Distortion and Noise Total Harmonic Distortion and Noise Gain and Phase vs Frequency Noise Voltage Density vs Frequency Noise Voltage Density vs Frequency Input Referred Current Noise vs Frequency Slew Rate vs Supply Voltage Common Mode Rejection Ratio vs Frequency Power Supply Rejection Ratio vs Frequency V S = ±2.5V V CM = 0V FREQUENCY (Hz) 100 10k 100k 100 INPUT REFERRED VOL TAGE NOISE DENSITY (nV/√Hz)
6261 G19
V S = ±2.5V V CM = 0V FREQUENCY (Hz) 100k 10M 100M 100 NOISE DENSITY (nV/√Hz) INPUT REFERRED VOL TAGE
626123 G20
V S = ±2.5V V CM = 0V FREQUENCY (Hz) 100k 0.01 0.1 INPUT REFERRED CURRENT NOISE (pA/√Hz)
626123 G21
V S = ±0.9V V CM = 0V A V = 2 R G = R F = 10kΩ 500Hz 1kHz 5kHz V OUTP–P (V) 0.01 0.1 0.001 0.01 0.1 THD+N (%)
626123 G22
V S = ±2.5V V CM = 0 A V = 2 R F = R G = 10kΩ 1kHz 5kHz V OUTP–P (V) 0.01 0.1 0.0001 0.001 0.01 0.1 THD+N (%)
626123 G23
V S = ±2.5V V CM =0V GAIN PHASE FREQEUNCY (MHz) 0.01 0.1 100 –100 –50 100 150 –25 100 AMPLITUDE (dB) PHASE
626123 G24
V STEP = V S – 1V R F = R G =10kΩ A V = –1 RISING EDGE(V/µs) FALLING EDGE(V/µs) SUPPL Y VOL TAGE V S (V) 1.8 2.6 3.4 4.2 SLEW RATE (V/µs)
626123 G25
V S = ±2.5V V CM = 0V FREQUENCY (MHz) 0.01 0.1 100 100 CMRR (dB)
626123 G26
VS = ±2.5V V CM = 0V FREQUENCY (MHz) 0.001 0.01 0.1 100 100 PSRR (dB)
626123 G27
626123fa For more information www.linear .com/L TC6261 typicAl perForMAnce chArActeristics Large Signal Response Output Impedance vs Frequency Capacitive Load Handling Overshoot vs Capacitive Load Large Signal Response Small Signal Response Supply Current vs SHDN Pin Voltage Small Signal Response Supply Current vs SHDN Pin Voltage V S = ±2.5V V CM = 0 A V = 1 V IN = ±2V C LOAD (nF) 0.01 0.1 OVERSHOOT (%)
626123 G28
V S = ±2.5V A V = 1 R LOAD = 10kΩ C LOAD = 10pF C LOAD = 100pF C LOAD = 1nF TIME (µs) 100 –2.5 –2.0 –1.5 –1.0 –0.5 0.5 1.0 1.5 2.0 2.5 VOL TAGE (V)
626123 G29
V S = ±2.5V A V = 1 R LOAD = 10kΩ C LOAD = 10pF C LOAD = 100pF C LOAD = 1nF TIME (µs) 100 –100 –80 –60 –40 –20 100 VOL TAGE (mV)
626123 G30
V S = ±0.9V A V R LOAD =10kΩ C LOAD = 10pF C LOAD = 100pF C LOAD = 1nF TIME (µs) 100 –1.00 –0.75 –0.50 –0.25 0.25 0.50 0.75 1.00 VOL TAGE (V)
6262 G31
V S = ±0.9V A V R LOAD =10kΩ C LOAD = 10pF C LOAD = 100pF C LOAD = 1nF TIME (µs) 100 –100 –80 –60 –40 –20 100 VOL TAGE (mV)
626123 G32
V S = ±2.5V V CM = 0V AV = 1 AV = 10 FREQUNECY (MHz) 0.001 0.01 0.1 100 OUTPUT IMPEDANCE (Ω)
626123 G33
V S = 1.8V V CM = 0.4V T A = 125°C T A = 25°C T A = –40°C V SHDN (V) 0.2 0.4 0.6 0.8 1.2 1.4 1.6 1.8 100 150 200 250 300 SUPPL Y CURRENT (µA)
626123 G34
V S = 5V V CM = 0.4V TA = 125°C TA = 25°C TA = –40°C V SHDN (V) 0.2 0.4 0.6 0.8 1.2 1.4 1.6 1.8 100 150 200 250 300 SUPPL Y CURRENT (µA)
626123 G35
pin can go from V– – 0.1V to V+ + 0.1V . ground in split supply applications. –: Negative Power Supply. It is normally tied to ground. of 0.1µF as close to the part as possible. Figure 1. L TC6261/L TC6262/L TC6263 Simplified Schematic
626123 F01
626123fa For more information www.linear .com/L TC6261 operAtion ApplicAtions inForMAtion The L TC6261 family input signal range extends slightly beyond the negative and positive power supplies. The output can even extend all the way to the negative supply with the proper external pull-down current source. Figure 1 depicts a Simplified Schematic of the amplifier . The input stage is comprised of two differential amplifiers, a PNP stage Q1/Q2 and NPN stage Q3/Q4 that are active over different ranges of common mode input voltage. The PNP stage is active between the negative power supply to approximately 1V below the positive supply. As the input voltage approaches the positive supply, transistor Q5 will steer the tail current I1 to the current mirror Q6/ Q7, activating the NPN differential pair and the PNP pair becomes inactive for the remaining input common mode range. Also for the input stage, devices Q17, Q18 and Q19 act to cancel the bias current of the PNP input pair . When Q1/Q2 is active, the current in Q16 is controlled to be the same as the current Q1/Q2. Thus, the base current of Q16 is normally equal to the base current of the input devices of Q1/Q2. Similar circuitry (not shown) is used to cancel the base current of Q3/Q4. The buffer and output bias stage uses a special compensation technique to take full advantage of the process technology to drive high capacitive loads. The common emitter topology of Q14/ Q15 enables the output to swing from rail-to-rail. Low Supply Voltage and Low Power Consumption The L TC6261 family of operational amplifiers can oper - ate with power supply voltages from 1.8V to 5.25V . Each amplifier draws 240µA. The low supply voltage capability and low supply current are ideal for portable applications. High Capacitive Load Driving Capability and Wide Bandwidth The L TC6261 family is optimized for wide bandwidth and low power applications. They have an extremely high gain-bandwidth to power ratio and are unity gain stable (see Typical Performance Characteristics, Capacitive Load Handling). Higher gain configurations tend to have better capacitive drive capability than lower gain configurations due to lower closed loop bandwidth and hence higher phase margin. Low Input Referred Noise The L TC6261 family provides a low input referred noise of 13nV/√Hz at 10kHz. The average noise voltage density over 1MHz of bandwidth is less than 15nV/√Hz. The L TC6261 family is ideal for low noise and low power signal process- ing applications. Low Input Offset Voltage The L TC6261 family has a low offset voltage of 1mV maxi- mum. The offset voltage is trimmed with a proprietary algorithm to ensure low offset voltage over the entire common mode voltage range. Low Input Bias Current The L TC6261 family uses a bias current cancellation cir cuit to compensate for the base current of the input transistors. When the input common mode voltage is within 200mV of either rail, the bias cancellation circuit is no longer active. For common mode voltages ranging from 0.2V above the negative supply to 0.2V below the positive supply, the low input bias current allows the amplifiers to be used in applications with high resistance sources. Ground Sensing and Rail-to-Rail Output The L TC6261 family has excellent output drive capability, delivering over 10mA of output drive current. The output stage is a rail-to-rail topology that is capable of swinging to within 250mV of either rail. If output swing to the negative rail is required, an external pull down resistor to a negative supply can be added. For 5V/0V op amp supplies, a pull
13For more information www.linear .com/L TC6261 down resistor of 1k to –2V will allow a ‘true zero’ output swing. In this case, the output can swing all the way to the bottom rail while maintaining 50dB of open loop gain. Since the inputs can go 100mV beyond either rail, the op amp can easily perform ‘true ground’ sensing. The maximum output current is a function of total supply voltage. As the supply voltage to the amplifier increases, the output current capability also increases. Attention must be paid to keep the junction temperature of the IC below 150°C when the output is in continuous short-circuit. The output of the amplifier has reverse-biased diodes con - nected to each supply. The output should not be forced more than 0.5V beyond either supply; other wise current will flow through these diodes. Input Protection and Output Overdrive T o prevent breakdown of the input transistors, the input stages are protected against a large differential input voltage by two pairs of back-to-back diodes, D5 to D8. If the differential input voltage exceeds 1.4V , the current in these diodes must be limited to less than 10mA. These amplifiers are not intended for open loop applications such as comparators. When the output stage is overdriven, internal limiting circuitry is activated to improve overdrive recovery. In some applications, this circuitry may draw as much as 1mA supply current. ESD The L TC6261 family has reverse-biased ESD protection diodes on all inputs and output as shown in Figure 1. Supply Voltage Ramping Fast ramping of the supply voltage can cause a current glitch in the internal ESD protection circuits. Depending on the supply inductance, this could result in a supply volt- age transient that exceeds the maximum rating. A supply voltage ramp time of greater than 1ms is recommended. Feedback Components Care must be taken to ensure that the pole formed by the feedback resistors and the parasitic capacitance at the inverting input does not degrade stability. For example, in a gain of +2 configuration with gain and feedback resis - tors of 10k, a poorly designed cir cuit board layout with parasitic capacitance of 5pF (part +PC board) at the ampli- fier’s inverting input will cause the amplifier to oscillate due to a pole formed at 3.2MHz. An additional capacitor of 4.7pF across the feedback resistor as shown in Figure 2 will eliminate any ringing or oscillation. Shutdown The single and dual versions have SHDN pins that can shut down the amplifier to less than 10µA supply current. The SHDN pin voltage needs to be within 0.6V of V – for the amplifier to shut down. During shutdown, the output is in high impedance state. When left floating, the SHDN pin is internally pulled up to the positive supply and the amplifier remains enabled. 10k 10k 4.7pF CPAR VOUT VIN 626123 F02 L TC6261 Figure 2. ApplicAtions inForMAtion
626123fa For more information www.linear .com/L TC6261 typicAl ApplicAtions DRIVING A SAR The circuit next uses a traditional noninverting gain con- figuration to map a ground referenced input voltage signal to the full scale of a 500kS/s, 12 bit L TC2362 ADC. This application takes advantage of the L TC6261 family’s com- bination of excellent common mode rejection, bandwidth, supply current, and noise to enable high performance ADC at low dissipation. The high bandwidth and open loop gain c ombine to provide good distortion performance given the low supply current usage. The capacitor CF1 can be used as needed to improve phase margin if there is any peak- ing in the closed loop response due to total capacitance seen at the input terminals of the op amp as mounted on a PCB. The resistors should be chosen to minimize add- ing excessive noise while at the same time minimizing total current consumption and avoiding distortion due to overloading the amplifier . The choice of resistor , then, will be commensurate with the input noise voltage and noise current of the L TC6261. Use of an output filter is critical in reducing noise and spurious high frequency content that might alias. L TC6261 3.3V IN OUT
626123 TA03
1.74k RF2 2.74k CF1 10pF RFIL T 100/uni03A9 CFIL T 10nF 3.3V L TC2362 GND CS SDO SCK OVDD AIN VDD VREF SAR ADC Driver L TC6261 Driving L TC2362 ADC L TC6261 Driving L TC2362 ADC Current consumption of the op amp circuit is 560µA at 3.3V supply with the output centered at 1.65V . Increasing the resistors with the same scaling factor will lower the total consumption at the expense of more resistor noise. VIN = –1dBFS, 5kHz fS = 500kSps SNR = 71.5dB THD = –83.6dB SFDR = 86dB FREQUENCY (kHz) 100 125 –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 MAGNITUDE (dB)
626123 TA04a
626123 TA04
VIN = –1dBFS, 5kHz fS = 250kSps SNR = 72dB THD = –83.6dB SFDR = 86dB FREQUENCY (kHz) –120 –110 –100 –90 –80 –70 –60 –50 –40 –30 –20 –10 MAGNITUDE (dB) Results are shown with a 12 bit L TC2362 SAR ADC running at both 500k Samples and 250k Samples. In both cases, the ENOB is about 11.5. ACTIVE FIL TERS Second Order Bessel Filter Ample bandwidth and low supply current allows deploy- ment of active filters in portable and other low power applications. The second order Bessel filter provides a traditionally clean transient response.
15For more information www.linear .com/L TC6261 typicAl ApplicAtions L TC6261 Second Order Butterworth Frequency Response L TC6261 Third Order Butterworth Frequency Response Bessel Filter Response L TC6261 3.3V OUT IN
626123 TA05
15.4k 15.4k 47pF 150pF VREF 15.4k Supply current consumption is around 230µA. The values of resistors chosen minimize consumption at the expense of noise. FREQUENCY (MHz) 0.001 0.01 0.1 –70.0 –60.0 –50.0 –40.0 –30.0 –20.0 –10.0 10.0 GAIN (dB)
626123 TA06
10µs/Div 1.0 1.5 2.0 2.5 3.0 3.5 4.0 OUTPUT VOL TAGE (V)
626123 TA07
The frequency response shows an expected roll-off of two poles along with a gentle droop near the 3dB point; the transient response is very clean. Third Order Butterworth Filter Maximally flat magnitude response in the pass-band arises from use of a Butterworth filter . A third R-C stage is added in front of the filter in order to maximize the roll-off for a single amplifier circuit. L TC6261 3.3V OUT IN
626123 TA08
15.4k 5.54k 47pF 470pF 470pF VREF 7.7k 7.7k Supply current consumption is around 235µA. The values of resistors chosen minimize consumption at the expense of noise. FREQUENCY (MHz) 0.001 0.01 0.1 –70.0 –60.0 –50.0 –40.0 –30.0 –20.0 –10.0 10.0 GAIN (dB)
626123 TA09
626123fa For more information www.linear .com/L TC6261 typicAl ApplicAtions 1VP-P 10µs/Div 1.0 1.5 2.0 2.5 3.0 3.5 4.0 OUTPUT VOL TAGE (V)
626123 TA10
Butterworth Filter Response The frequency response shows an expected roll-off of three poles, an extended plateau, and a sharp roll-off; the transient response includes a small amount of ringing. BRIDGE-TIED DIFFERENTIAL OUTPUT AMPLIFIER The low supply current at the bandwidth and noise per - formance allows for excellent fidelity at a fraction of the usual dissipation in portable audio equipment. L TC6261 C2 R3 4.99k 1nF 100pF 100pF 4.99k RSPEAKER 120/uni03A9 4.7/uni03A9 10k 4.7/uni03A9 10k 15k 10µF VM VINV1VIN VINV2NOISE FIL TER GAIN STAGE, OUTPUT DRIVE INVERSION STAGE, OUTPUT DRIVE AC COUPLED INPUT
626123 TA11
Audio Headphones Bridge Driver Headphone speaker impedances range from 32Ω to 300Ω; their responsivity, from 80dB to 100dB SPL per 1mW and beyond. As an example, considering a headphone speaker with 90dBSPL per 1mW , it takes 100mW to reach 110dBSPL. With 32Ω, the RMS current is 56mA and voltage 1.8V; with 120Ω, 29mA and 3.5V . Given a 3.3V supply and the output of one L TC6261 am- plifier there may not be sufficient drive capability to yield 100mW. However , the combination of two 180 degree phased amplifiers is enough to provide the necessary drive voltage or current to reach upwards of 100mW . Duplication of this bridge drive circuit enables power to both left and right sides. The L TC6263 provides four amplifiers in one small package. Data from a two-amplifier L TC6262 driving what could be Left or Right is shown below. Basic current consumption of the two amplifiers, with as much as 1V P-P input but no load, is 500µA.
17For more information www.linear .com/L TC6261 typicAl ApplicAtions The circuit consists of first an inverting gain stage with closed loop gain = 3, and a subsequent inverting stage. The combination of inverting stages produces a single- ended input to differential output gain of 6. With 1V P-P single-ended input, the output is 6VP-P differential, or 3V max (2.1V RMS). With 100Ω, 1V leads to 45mW delivered power . INPUT = 500mVP-P FREQUENCY (kHz) 0.1 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 THD + NOISE (%)
626123 TA12
L TC6262 Bridge Driver THD and Noise with Different Loads vs Frequency L TC6262 Bridge Driver THD and Noise with Different Loads vs Amplitude at 1kHz INPUT AT 1 kHz No Load 300/uni03A9 100/uni03A9 50/uni03A9 AUDIO INPUT AMPLITUDE (V) 0.001 0.01 0.1 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1.0 THD + NOISE (%)
626123 TA12a
Despite the low quiescent current, this driver delivers low distortion to a headphone load. At high enough amplitude, distortion increases dramatically as the op amp output clips. Clipping occurs sooner with more loading as the output transistors start to run out of current gain.
626123fa For more information www.linear .com/L TC6261 pAckAge Description 1.50 – 1.75 (NOTE 4)2.80 BSC 0.30 – 0.45
6 PLCS (NOTE 3)
DATUM ‘A’ 0.09 – 0.20 (NOTE 3) S6 TSOT-23 0302
2.90 BSC
(NOTE 4)
0.95 BSC
1.90 BSC
0.80 – 0.90
1.00 MAX
0.01 – 0.100.20 BSC 0.30 – 0.50 REF PIN ONE ID NOTE: 1. DIMENSIONS ARE IN MILLIMETERS 2. DRAWING NOT TO SCALE 3. DIMENSIONS ARE INCLUSIVE OF PLATING 4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR 5. MOLD FLASH SHALL NOT EXCEED 0.254mm 6. JEDEC PACKAGE REFERENCE IS MO-193
3.85 MAX
0.62 MAX 0.95 REF RECOMMENDED SOLDER PAD LAYOUT PER IPC CALCULATOR 1.4 MIN2.62 REF
1.22 REF
(Reference LTC DWG # 05-08-1636) Please refer to http://www.linear .com/product/L TC6261#packaging for the most recent package drawings.
19For more information www.linear .com/L TC6261 pAckAge Description Please refer to http://www.linear .com/product/L TC6262#packaging for the most recent package drawings. 2.00 ±0.10 (4 SIDES) NOTE: 1. DRAWING TO BE MADE A JEDEC PACKAGE OUTLINE M0-229 VARIATION OF (WCCD-2) 2. DRAWING NOT TO SCALE 3. ALL DIMENSIONS ARE IN MILLIMETERS 4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE 5. EXPOSED PAD SHALL BE SOLDER PLATED 6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE 0.40 ±0.10 BOTTOM VIEW—EXPOSED PAD 0.60 ±0.10 (2 SIDES) 0.75 ±0.05 R = 0.125 TYP R = 0.05 TYP 1.37 ±0.10 (2 SIDES) 6 4 PIN 1 BAR TOP MARK (SEE NOTE 6)
0.200 REF
0.00 – 0.05 (DC6) DFN REV C 0915 0.25 ±0.05
0.50 BSC
0.25 ±0.05 1.37 ±0.10 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS 0.60 ±0.10 (2 SIDES)1.15 ±0.05 0.70 ±0.05 2.55 ±0.05 PACKAGE OUTLINE R = 0.20 OR 0.25 × 45° CHAMFER 6-Lead Plastic DFN (2mm × 2mm) (Reference LTC DWG # 05-08-1703 Rev C)
626123fa For more information www.linear .com/L TC6261 pAckAge Description Please refer to http://www.linear .com/product/L TC6261#packaging for the most recent package drawings. 2.00 ±0.10 (4 SIDES) NOTE: 1. DRAWING IS NOT A JEDEC PACKAGE OUTLINE 2. DRAWING NOT TO SCALE 3. ALL DIMENSIONS ARE IN MILLIMETERS 4. DIMENSIONS OF EXPOSED PAD ON BOTTOM OF PACKAGE DO NOT INCLUDE MOLD FLASH. MOLD FLASH, IF PRESENT, SHALL NOT EXCEED 0.15mm ON ANY SIDE 5. EXPOSED PAD SHALL BE SOLDER PLATED 6. SHADED AREA IS ONLY A REFERENCE FOR PIN 1 LOCATION ON THE TOP AND BOTTOM OF PACKAGE 0.40 ±0.10 BOTTOM VIEW—EXPOSED PAD 0.64 ±0.10 (2 SIDES) 0.75 ±0.05 R = 0.115 TYP R = 0.05 TYP 1.37 ±0.10 (2 SIDES) PIN 1 BAR TOP MARK (SEE NOTE 6) 0.00 – 0.05 (DC8) DFN 0409 REVA 0.23 ±0.05
0.45 BSC
0.25 ±0.05 1.37 ±0.05 (2 SIDES) RECOMMENDED SOLDER PAD PITCH AND DIMENSIONS APPLY SOLDER MASK TO AREAS THAT ARE NOT SOLDERED 0.64 ±0.05 (2 SIDES)1.15 ±0.05 0.70 ±0.05 2.55 ±0.05 PACKAGE OUTLINE R = 0.20 OR 0.25 × 45° CHAMFER 8-Lead Plastic DFN (2mm × 2mm) (Reference LTC DWG # 05-08-1719 Rev A)
21For more information www.linear .com/L TC6261 pAckAge Description 1.50 – 1.75 (NOTE 4)2.80 BSC 0.22 – 0.36
8 PLCS (NOTE 3)
DATUM ‘A’ 0.09 – 0.20 (NOTE 3) TS8 TSOT-23 0710 REV A (NOTE 4)
0.65 BSC
1.95 BSC
0.80 – 0.90 0.01 – 0.100.20 BSC 0.30 – 0.50 REF PIN ONE ID NOTE: 1. DIMENSIONS ARE IN MILLIMETERS 2. DRAWING NOT TO SCALE 3. DIMENSIONS ARE INCLUSIVE OF PLATING 4. DIMENSIONS ARE EXCLUSIVE OF MOLD FLASH AND METAL BURR 5. MOLD FLASH SHALL NOT EXCEED 0.254mm 6. JEDEC PACKAGE REFERENCE IS MO-193 0.40 MAX 0.65 REF RECOMMENDED SOLDER PAD LAYOUT PER IPC CALCULATOR 1.4 MIN2.62 REF (Reference LTC DWG # 05-08-1637 Rev A) Please refer to http://www.linear .com/product/L TC6262#packaging for the most recent package drawings.
626123fa For more information www.linear .com/L TC6261 pAckAge Description Please refer to http://www.linear .com/product/L TC6262#packaging for the most recent package drawings. MSOP (MS8) 0213 REV G 0.53 ±0.152 (.021 ±.006) SEATING PLANE NOTE: 1. DIMENSIONS IN MILLIMETER/(INCH) 2. DRAWING NOT TO SCALE 3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE 4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS. INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE 5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX 0.18 (.007) 0.254 (.010) 1.10 (.043) MAX 0.22 – 0.38 (.009 – .015) TYP 0.1016 ±0.0508 (.004 ±.002) 0.86 (.034) REF 0.65 (.0256) BSC 0° – 6° TYP DETAIL “A” DETAIL “A” GAUGE PLANE 1 2 3 4 4.90 ±0.152 (.193 ±.006) 8 7 6 5 3.00 ±0.102 (.118 ±.004) (NOTE 3) 3.00 ±0.102 (.118 ±.004) (NOTE 4) 0.52 (.0205) REF 5.10 (.201) MIN 3.20 – 3.45 (.126 – .136) 0.889 ±0.127 (.035 ±.005) RECOMMENDED SOLDER PAD LAYOUT 0.42 ± 0.038 (.0165 ±.0015) TYP 0.65 (.0256) BSC 8-Lead Plastic MSOP (Reference LTC DWG # 05-08-1660 Rev G)
23For more information www.linear .com/L TC6261 pAckAge Description Please refer to http://www.linear .com/product/L TC6261#packaging for the most recent package drawings. MSOP (MS) 0213 REV F 0.53 ±0.152 (.021 ±.006) SEATING PLANE 0.18 (.007) 1.10 (.043) MAX 0.17 –/uni00A00.27 (.007 – .011) TYP 0.86 (.034) REF 0.50 (.0197) BSC 1 2 3 4 5 4.90 ±0.152 (.193 ±.006) 0.497 ±0.076 (.0196 ±.003) REF8 9 107 6 3.00 ±0.102 (.118 ±.004) (NOTE 3) 3.00 ±0.102 (.118 ±.004) (NOTE 4) NOTE: 1. DIMENSIONS IN MILLIMETER/(INCH) 2. DRAWING NOT TO SCALE 3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE 4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS. INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE 5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX 0.254 (.010) 0° – 6° TYP DETAIL “A” DETAIL “A” GAUGE PLANE 5.10 (.201) MIN 3.20 – 3.45 (.126 – .136) 0.889 ±0.127 (.035 ±.005) RECOMMENDED SOLDER PAD LAYOUT 0.305 ±0.038 (.0120 ±.0015) TYP 0.50 (.0197) BSC 0.1016 ±0.0508 (.004 ±.002) 10-Lead Plastic MSOP (Reference LTC DWG # 05-08-1661 Rev F)
626123fa For more information www.linear .com/L TC6261 pAckAge Description Please refer to http://www.linear .com/product/L TC6262#packaging for the most recent package drawings. MSOP (MS16) 0213 REV A 0.53 ±0.152 (.021 ±.006) SEATING PLANE 0.18 (.007) 1.10 (.043) MAX 0.17 –/uni00A00.27 (.007 – .011) TYP 0.86 (.034) REF 0.50 (.0197) BSC 16151413121110 1 2 3 4 5 6 7 8 NOTE: 1. DIMENSIONS IN MILLIMETER/(INCH) 2. DRAWING NOT TO SCALE 3. DIMENSION DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MOLD FLASH, PROTRUSIONS OR GATE BURRS SHALL NOT EXCEED 0.152mm (.006") PER SIDE 4. DIMENSION DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSIONS. INTERLEAD FLASH OR PROTRUSIONS SHALL NOT EXCEED 0.152mm (.006") PER SIDE 5. LEAD COPLANARITY (BOTTOM OF LEADS AFTER FORMING) SHALL BE 0.102mm (.004") MAX 0.254 (.010) 0° – 6° TYP DETAIL “A” DETAIL “A” GAUGE PLANE 5.10 (.201) MIN 3.20 – 3.45 (.126 – .136) 0.889 ±0.127 (.035 ±.005) RECOMMENDED SOLDER PAD LAYOUT 0.305 ±0.038 (.0120 ±.0015) TYP 0.50 (.0197) BSC 4.039 ±0.102 (.159 ±.004) (NOTE 3) 0.1016 ±0.0508 (.004 ±.002) 3.00 ±0.102 (.118 ±.004) (NOTE 4) 0.280 ±0.076 (.011 ±.003) REF 4.90 ±0.152 (.193 ±.006) 16-Lead Plastic MSOP (Reference L TC DWG # 05-08-1669 Rev A)
25For more information www.linear .com/L TC6261 Information furnished by Linear Technology Corporation is believed to be accurate and reliable. However , no responsibility is assumed for its use. Linear Technology Corporation makes no representa- tion that the interconnection of its circuits as described herein will not infringe on existing patent rights.
reVision history
REV DATE DESCRIPTION PAGE NUMBER A 07/17 Added L TC6261 TSOT-23 6-lead package Corrected IS value Corrected supply current in shutdown Corrected IB 1 to 3, 18 1, 4, 13
626123fa For more information www.linear .com/L TC6261 LT 0717 REV A • PRINTED IN USA www.linear .com/L TC6261 LINEAR TECHNOLOGY CORPORATION 2016 typicAl ApplicAtion relAteD pArts PART NUMBER DESCRIPTION COMMENTS L TC6255/L TC6256/ L TC6257 6.5MHz, 65µA Power Efficient RR Op Amp 6.5MHz, 65µA, RR IN/OUT , 1.8V to 5.25V L TC6246/L TC6247/ L TC6248 180MHz, 1mA, Power Efficient Rail-to-Rail Op Amps 180MHz GBW , 1mA, 500μV V OS, RR In/Out, 2.5V to 5.25V , 90V/µs Slew Rate LT1498/L T1499 10MHz, 6V/µs, Dual/Quad,Rail-to-Rail Input and Output, Precision C-Load Op Amps 10MHz GBW , 1.7mA, 475μV V OS, RR In/Out, 2.2V to ±15V , 10nF CLOAD L TC6081/L TC6082 Precision Dual/Quad CMOS Rail-to-Rail Input/Output Amplifiers 3.6MHz GBW , 330μA, 70μV V OS, RR In/Out, 2.7V to 5.5V , 100dB CMRR L TC2050/L TC2051/ L TC2052 Zero-Drift Operational Amplifiers in SOT-23 3MHz GBW , 800μA, 3μV V OS, V– to V+ – 1V In, RR Out, 2.7V to 6V , 130dB CMRR/PSRR L TC1050/L TC1051/ L TC1052 Precision Zero-Drift, Operational Amplifierwith Internal Capacitors 2.5MHz GBW , 1mA, 5μV V OS, V– to V+ – 2.3V In, RR Out, 4.75V to 16V , 120dB CMRR, 125dB PSRR L TC6084/L TC6085 Dual/Quad 1.5MHz, Rail-to-Rail, CMOS Amplifiers 1.5MHz GBW , 110μA, 750μV V OS, RR In/Out, 2.5V to 5.5V L T1783 1.25MHz, Over-The-Top® Micropower , Rail-to-Rail Input and Output Op Amp in SOT-23 1.25MHz GBW , 300μA, 800μV VOS, RR In/Out, 2.5V to 18V L T1637/L T1638/ L T1639 1.1MHz, 0.4V/μs Over-The-Top Micropower , Rail-to-Rail Input and Output Op Amps 1.1MHz GBW , 250μA, 350μV V OS, RR In/Out, 2.7V to 44V , 110dB CMRR L TC2054/L TC2055 Single/Dual Micropower Zero-Drift Operational Amplifiers 500kHz GBW , 150μA, 3μV V OS, V– to V+ – 0.5V In, RR Out, 2.7V to 6V L T6010/L T6011/ L T6012 135μA, 14nV/√Hz, Rail-to-Rail Output Precision Op Amp with Shutdown 330kHz GBW , 135μA, 35μV V OS, V– + 1.0V to V+ – 1.2V In, RR Out, 2.7V to 36V LT1782 Micropower , Over-The-Top, SOT-23, Rail-to-Rail Input and Output Op Amp 200kHz GBW , 55μA, 800μV VOS, RR In/Out, 2.5V to 18V L T1636 Over-The-Top, Micropower Rail-to-Rail, Input and Output Op Amp 200kHz GBW , 50μA, 225μV V OS, RR In/Out, 2.7V to 44V , –40°C to 125°C L T1490A/L T1491A Dual/Quad Over-The-Top, Micropower Rail-to-Rail Input and Output Op Amps 200kHz GBW , 50μA, 500μV V OS, RR In/Out, 2V to 44V L T2178/L T2179 17μA Max, Dual and Quad, Single Supply, Precision Op Amps 85kHz GBW, 17μA, 70μV V OS, RR In/Out, 5V to 44V L T6000/L T6001/ L T6002 Single, Dual and Quad, 1.8V , 13μA Precision Rail-to-Rail Op Amps 50kHz GBW , 16μA , 600μV V OS(MAX), RR In/Out, 1.8V to 18V Bridge-Tied Differential Output Amplifier L TC6261 C2 R3 4.99k 1nF 100pF 100pF 4.99k RSPEAKER 120/uni03A9 4.7/uni03A9 10k 4.7/uni03A9 10k 15k 10µF VM VINV1VIN VINV2NOISE FIL TER GAIN STAGE, OUTPUT DRIVE INVERSION STAGE, OUTPUT DRIVE AC COUPLED INPUT