LT1206C

LT1206 LINER

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n 250mA Minimum Output Drive Current n 60MHz Bandwidth, AV = 2, RL = 100Ω n 900V/µs Slew Rate, AV = 2, RL = 50Ω n 0.02% Differential Gain, AV = 2, RL = 30Ω n 0.17° Differential Phase, AV = 2, RL = 30Ω n High Input Impedance, 10MΩ n Wide Supply Range, ±5V to ± 15V n Shutdown Mode: IS < 200µA n Adjustable Supply Current n Stable with CL = 10,000pF The LT1206 is a current feedback amplifier with high output current drive capability and excellent video char- acteristics. The LT1206 is stable with large capacitive loads, and can easily supply the large currents required by the capacitive loading. A shutdown feature switches the device into a high impedance, low current mode, reducing dissipation when the device is not in use. For lower bandwidth applications, the supply current can be reduced with a single external resistor. The low differen- tial gain and phase, wide bandwidth, and the 250mA minimum output current drive make the LT1206 well suited to drive multiple cables in video systems. The LT1206 is manufactured on Linear Technology’s proprietary complementary bipolar process. TYPICAL APPLICATIO SU Noninverting Amplifier with Shutdown LT1206 • TA02VS = ±15V RL = ∞ RF = RG = 3k APPLICATIO SU n Video Amplifiers n Cable Drivers n RGB Amplifiers n Test Equipment Amplifiers n Buffers LT1206 S/D** 15V –15V CCOMP 0.01µF* RF RG VIN 5V 24k 15V ENABLE VOUT OPTIONAL, USE WITH CAPACITIVE LOADS GROUND SHUTDOWN PIN FOR NORMAL OPERATION LT1206 • TA01 COMP 74C906 Large-Signal Response, CL = 10,000pF

A UGWA WU WARBSOLUTEX I T I S Operating Temperature Range

ELECTRICAL CHARACTERISTICS

SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS VOS Input Offset Voltage T A = 25°C ± 3 ±10 mV l ±15 mV Input Offset Voltage Drift l 10 µV/°C IIN Noninverting Input Current T A = 25°C ± 2 ± 5 µA l ±20 µA IIN Inverting Input Current T A = 25°C ±10 ±60 µA l ±100 µA en Input Noise Voltage Density f = 10kHz, R F = 1k, RG = 10Ω , RS = 0Ω 3.6 nV/ √Hz +in Input Noise Current Density f = 10kHz, R F = 1k, RG = 10Ω , RS = 10k 2 pA/ √Hz –in Input Noise Current Density f = 10kHz, R F = 1k, RG = 10Ω , RS = 10k 30 pA/ √Hz RIN Input Resistance V IN = ±12V, VS = ±15V l 1.5 10 M Ω VIN = ±2V, VS = ±5V l 0.5 5 M Ω CIN Input Capacitance V S = ±15V 2 pF Input Voltage Range V S = ±15V l ±12 ±13.5 V VS = ±5V l ± 2 ±3.5 V θJA = 100°C/W θJA ≈ 60°C/W PART MARKING 1206 ORDER PART NUMBER ORDER PART NUMBER ORDER PART NUMBER TOP VIEW NC –IN +IN S/D* OUT V COMP N8 PACKAGE 8-LEAD PLASTIC DIP TOP VIEW OUT V COMP –IN +IN S/D* S8 PACKAGE 8-LEAD PLASTIC SO ORDER PART NUMBER LT1206CN8 LT1206CR LT1206CS8 LT1206CY WU UPACKAGE/ORDER I FOR ATIO *Ground shutdown pin for normal operation **See Note 2 VCM = 0, ±5V ≤ VS ≤ ± 15V, pulse tested, VS/D = 0V, unless otherwise noted. OUT COMP V S/D* +IN –IN R PACKAGE 7-LEAD PLASTIC DD FRONT VIEW TAB IS θJA ≈ 30°C/W Y PACKAGE 7-LEAD TO-220 OUT COMP V S/D* +IN –IN FRONT VIEW TAB IS θJC = 5°C/W

SYMBOL PARAMETER CONDITIONS MIN TYP MAX UNITS CMRR Common-Mode Rejection Ratio V S = ±15V, VCM = ±12V l 55 62 dB VS = ±5V, VCM = ±2V l 50 60 dB Inverting Input Current V S = ±15V, VCM = ±12V l 0.1 10 µA/V Common-Mode Rejection V S = ±5V, VCM = ±2V l 0.1 10 µA/V PSRR Power Supply Rejection Ratio V S = ±5V to ±15V l 60 77 dB Noninverting Input Current V S = ±5V to ±15V l 30 500 nA/V Power Supply Rejection Inverting Input Current V S = ±5V to ±15V l 0.7 5 µA/V Power Supply Rejection AV Large-Signal Voltage Gain V S = ±15V, VOUT = ±10V, RL = 50Ω l 55 71 dB VS = ±5V, VOUT = ±2V, RL = 25Ω l 55 68 dB ROL Transresistance, ΔVOUT/ΔIIN– VS = ±15V, VOUT = ±10V, RL = 50Ω l 100 260 k Ω VS = ±5V, VOUT = ±2V, RL = 25Ω l 75 200 k Ω VOUT Maximum Output Voltage Swing V S = ±15V, RL = 50Ω , TA = 25°C ±11.5 ±12.5 V l ±10.0 V l ±2.0 V IOUT Maximum Output Current R L = 1Ω l 250 500 1200 mA IS Supply Current V S = ±15V, VS/D = 0V, TA = 25°C2 0 3 0 m A l 35 mA Supply Current, RS/D = 51k (Note 3) V S = ±15V, TA = 25°C1 2 1 7 m A Positive Supply Current, Shutdown V S = ±15V, VS/D = 15V l 200 µA Output Leakage Current, Shutdown V S = ±15V, VS/D = 15V l 10 µA SR Slew Rate (Note 4) A V = 2, TA = 25°C 400 900 V/ µs Differential Gain (Note 5) V S = ±15V, RF = 560Ω , RG = 560Ω , RL = 30Ω 0.02 % Differential Phase (Note 5) V S = ±15V, RF = 560Ω , RG = 560Ω , RL = 30Ω 0.17 DEG BW Small-Signal Bandwidth V S = ±15V, Peaking ≤ 0.5dB 60 MHz RF = RG = 620Ω , RL = 100Ω VS = ±15V, Peaking ≤ 0.5dB 52 MHz RF = RG = 649Ω , RL = 50Ω VS = ±15V, Peaking ≤ 0.5dB 43 MHz RF = RG = 698Ω , RL = 30Ω VS = ±15V, Peaking ≤ 0.5dB 27 MHz RF = RG = 825Ω , RL = 10Ω VCM = 0, ± 5V ≤ VS ≤ ± 15V, pulse tested, VS/D = 0V, unless otherwise noted. beyond 0°C to 70°C. Industrial grade parts tested over –40 °C to 85°C are available on special request. Consult factory. Note 3: RS/D is connected between the shutdown pin and ground. Note 4: Slew rate is measured at ±5V on a ±10V output signal while operating on ±15V supplies with RF = 1.5k, RG = 1.5k and RL = 400Ω . Note 5: NTSC composite video with an output level of 2V. The l denotes specifications which apply for 0°C ≤ TA ≤ 70°C. Note 1: Applies to short circuits to ground only. A short circuit between the output and either supply may permanently damage the part when operated on supplies greater than ±10V. Note 2: Commercial grade parts are designed to operate over the temperature range of –40 °C to 85°C but are neither tested nor guaranteed

S ALL-SIG AL BA DWIDTHWU U IS = 20mA Typical, Peaking ≤ 0.1dB IS = 10mA Typical, Peaking ≤ 0.1dB IS = 5mA Typical, Peaking ≤ 0.1dB –3dB BW –0.1dB BW AV RL RF RG (MHz) (MHz) VS = ±5V, RSD = 22.1k – 1 150 604 604 21 10.5 30 715 715 14.6 7.4 10 681 681 10.5 6.0 1 150 768 – 20 9.6 30 866 – 14.1 6.7 10 825 – 9.8 5.1 2 150 634 634 20 9.6 30 750 750 14.1 7.2 10 732 732 9.6 5.1 10 150 100 11.1 16.2 5.8 30 100 11.1 13.4 7.0 10 100 11.1 9.5 4.7 –3dB BW –0.1dB BW AV RL RF RG (MHz) (MHz) VS = ±15V, RSD = 121k – 1 150 619 619 25 12.5 30 787 787 15.8 8.5 10 825 825 10.5 5.4 1 150 845 – 23 10.6 30 1k – 15.3 7.6 10 1k – 10 5.2 2 150 681 681 23 10.2 30 845 845 15 7.7 10 866 866 10 5.4 10 150 100 11.1 15.9 4.5 30 100 11.1 13.6 6 10 100 11.1 9.6 4.5 –3dB BW –0.1dB BW AV RL RF RG (MHz) (MHz) VS = ±5V, RSD = 0Ω – 1 150 562 562 48 21.4 30 649 649 34 17 10 732 732 22 12.5 1 150 619 – 54 22.3 30 715 – 36 17.5 10 806 – 22.4 11.5 2 150 576 576 48 20.7 30 649 649 35 18.1 10 750 750 22.4 11.7 10 150 442 48.7 40 19.2 30 511 56.2 31 16.5 10 649 71.5 20 10.2 –3dB BW –0.1dB BW AV RL RF RG (MHz) (MHz) VS = ±5V, RSD = 0Ω – 1 150 681 681 50 19.2 30 768 768 35 17 10 887 887 24 12.3 1 150 768 – 66 22.4 30 909 – 37 17.5 10 1k – 23 12 2 150 665 665 55 23 30 787 787 36 18.5 10 931 931 22.5 11.8 10 150 487 536 44 20.7 30 590 64.9 33 17.5 10 768 84.5 20.7 10.8 –3dB BW –0.1dB BW AV RL RF RG (MHz) (MHz) VS = ±5V, RSD = 10.2k – 1 150 576 576 35 17 30 681 681 25 12.5 10 750 750 16.4 8.7 1 150 665 – 37 17.5 30 768 – 25 12.6 10 845 – 16.5 8.2 2 150 590 590 35 16.8 30 681 681 25 13.4 10 768 768 16.2 8.1 10 150 301 33.2 31 15.6 30 392 43.2 23 11.9 10 499 54.9 15 7.8 –3dB BW –0.1dB BW AV RL RF RG (MHz) (MHz) VS = ±15V, RSD = 60.4k – 1 150 634 634 41 19.1 30 768 768 26.5 14 10 866 866 17 9.4 1 150 768 – 44 18.8 30 909 – 28 14.4 10 1k – 16.8 8.3 2 150 649 649 40 18.5 30 787 787 27 14.1 10 931 931 16.5 8.1 10 150 301 33.2 33 15.6 30 402 44.2 25 13.3 10 590 64.9 15.3 7.4

TYPICAL PERFOR A CE CHARACTERISTICSWU 100 8 12 61 0 14 16 18 SUPPLY VOLTAGE (±V) – 3dB BANDWIDTH (MHz) LT1206 • TPC01 PEAKING ≤ 0.5dB PEAKING ≤ 5dB RF = 470Ω RF = 560Ω RF = 680Ω RF = 750Ω RF = 1k RF = 1.5k AV = 2 RL = 100Ω Bandwidth and Feedback Resistance vs Capacitive Load for 0.5dB Peak CAPACITIVE LOAD (pF)

100 FEEDBACK RESISTOR (Ω )

LT1206 • TPC03 10 1000 BANDWIDTH FEEDBACK RESISTOR AV = 2 RL = ∞ VS = ±15V CCOMP = 0.01µF 100 –3dB BANDWIDTH (MHz) 8 12 61 0 14 16 18 SUPPLY VOLTAGE (±V) –3dB BANDWIDTH (MHz) LT1206 • TPC02 PEAKING ≤ 0.5dB PEAKING ≤ 5dB RF = 560Ω RF = 1k RF = 2k RF = 750Ω AV = 2 RL = 10Ω Bandwidth vs Supply VoltageBandwidth vs Supply Voltage Bandwidth vs Supply VoltageBandwidth vs Supply Voltage 100 8 12 61 0 14 16 18 SUPPLY VOLTAGE (±V) –3dB BANDWIDTH (MHz) LT1206 • TPC04 PEAKING ≤ 0.5dB PEAKING ≤ 5dB RF = 470Ω RF = 1.5k RF = 330Ω RF = 680Ω RF =390Ω AV = 10 RL = 100Ω 8 12 61 0 14 16 18 SUPPLY VOLTAGE (±V) – 3dB BANDWIDTH (MHz) LT1206 • TPC05 PEAKING ≤ 0.5dB PEAKING ≤ 5dB RF = 560Ω RF = 1k RF = 1.5k RF = 680Ω AV = 10 RL = 10Ω SUPPLY VOLTAGE (±V) DIFFERENTIAL PHASE (DEG) 0.30 0.40 0.50 LT1206 • TPC07 0.20 0.10 7 9 11 15 RF = RG = 560Ω AV = 2 N PACKAGE RL = 15Ω RL = 50Ω RL = 30Ω RL = 150Ω SUPPLY VOLTAGE (±V) DIFFERENTIAL GAIN (%) 0.06 0.08 0.10 LT1206 • TPC08 0.04 0.02 7 9 11 15 RF = RG = 560Ω AV = 2 N PACKAGERL = 15Ω RL = 30Ω RL = 150Ω RL = 50Ω Spot Noise Voltage and Current vs Frequency FREQUENCY (Hz) 100 100 100k LT1206 • TPC09 1k 10k SPOT NOISE (nV/√Hz OR pA/√Hz) in en –i n Differential Gain vs Supply Voltage Differential Phase vs Supply Voltage Bandwidth and Feedback Resistance vs Capacitive Load for 5dB Peak CAPACITIVE LOAD (pF) FEEDBACK RESISTOR (Ω ) LT1206 • TPC06 10 100 1k 10k –3dB BANDWIDTH (MHz) 10k 100 100 FEEDBACK RESISTOR BANDWIDTH AV = +2 RL = ∞ VS = ±15V CCOMP = 0.01µF

Ambient Temperature, VS = ±15VSupply Current vs Supply Voltage Output Short-Circuit Current vs Junction Temperature Supply Current vs Large Signal Output Frequency (No Load) TYPICAL PERFOR A CE CHARACTERISTICSWU 8 12 61 0 14 16 18 SUPPLY VOLTAGE (±V) SUPPLY CURRENT (mA) LT1206 • TPC10 TJ = –40˚C TJ = 25˚C TJ = 85˚C TJ = 125˚C VS/D = 0V TEMPERATURE (°C) –50 SUPPLY CURRENT (mA) 0 50 75 LT1206 • TPC12 –25 25 100 125 AV = 1 RL = ∞ N PACKAGE RSD = 0Ω RSD = 60.4k RSD = 121k Supply Current vs Shutdown Pin Current Input Common-Mode Limit vs Junction Temperature TEMPERATURE (°C) –50 0.7 0.8 1.0 25 75 LT1206 • TPC15 0.6 0.5 –25 0 50 100 125 0.4 0.3 0.9 OUTPUT SHORT-CIRCUIT CURRENT (A) SOURCING SINKING Output Saturation Voltage vs Junction Temperature FREQUENCY (Hz) POWER SUPPLY REJECTION (dB) 10k 1M 10M 100M LT1206 • TPC17 100k RL = 50Ω VS = ±15V RF = RG = 1kNEGATIVE POSITIVE Power Supply Rejection Ratio vs Frequency Supply Current vs Ambient Temperature, VS = ±5V FREQUENCY (Hz) 10k SUPPLY CURRENT (mA) 100k 1M 10M LT1206 • TPC18 AV = 2 RL = ∞ VS = ±15V VOUT = 20VP-P TEMPERATURE (°C) –50 OUTPUT SATURATION VOLTAGE (V)1 LT1206 • TPC16 0 125 50–25 100 25 VS = ±15V RL = 2k RL = 50Ω RL = 50Ω RL = 2k TEMPERATURE (°C) –50 COMMON-MODE RANGE (V) 0.5 1.5 2.0 –2.0 LT1206 • TPC14 1.0 0 125 –1.5 –1.0 – 0.5 50–25 100 25 SHUTDOWN PIN CURRENT (µA) SUPPLY CURRENT (mA) 400 LT1206 • TPC11 100 200 300 500 VS = ±15V TEMPERATURE (°C) –50 SUPPLY CURRENT (mA) 0 50 75 LT1206 • TPC11 –25 25 100 125 AV = 1 RL = ∞ N PACKAGERSD = 0Ω RSD = 10.2k RSD = 22.1k

2nd and 3rd Harmonic Distortion vs FrequencyOutput Impedance vs Frequency TYPICAL PERFOR A CE CHARACTERISTICSWU Output Impedance in Shutdown vs Frequency FREQUENCY (Hz) 0.1OUTPUT IMPEDANCE (Ω ) 100 100k 10M 100M LT1206 • TPC19 0.01 VS = ±15V IO = 0mA RS/D = 121k RS/D = 0Ω FREQUENCY (MHz) –90 DISTORTION (dBc) –80 –70 –60 –50 –30 31 0 LT1206 • TPC21 –40 24 5 6 7 8 9 VS = ±15V VO = 2VP-P 2nd 3rd RL = 10Ω 2nd 3rd RL = 30Ω FREQUENCY (MHz) 3rd ORDER INTERCEPT (dBm)20 5 10 15 20 LT1206 • TPC22 25 30 VS = ±15V RL = 50Ω RF = 590Ω RG = 64.9Ω Test Circuit for 3rd Order Intercept 50Ω LT1206 LT1206 • TPC23 65Ω 590Ω PO MEASURE INTERCEPT AT PO 3rd Order Intercept vs Frequency FREQUENCY (Hz) 100OUTPUT IMPEDANCE (Ω ) 10k 100k 100k 10M 100M LT1206 • TPC20 AV = 1 RF = 1k VS = ±15V

LT1206 • TC OUTPUT 50Ω CC RC COMP–IN+IN SHUTDOWN 1.25k TO ALL CURRENT SOURCES Q11 Q15 Q1Q18 Q17 Q12 Q16 Q14 Q13 Q10 USA OPPLICATI WU UI FOR ATIO The LT1206 is a current feedback amplifier with high output current drive capability. The device is stable with large capacitive loads and can easily supply the high currents required by capacitive loads. The amplifier will drive low impedance loads such as cables with excellent linearity at high frequencies. Feedback Resistor Selection The optimum value for the feedback resistors is a function of the operating conditions of the device, the load imped- ance and the desired flatness of response. The Typical AC Performance tables give the values which result in the highest 0.1dB and 0.5dB bandwidths for various resistive loads and operating conditions. If this level of flatness is not required, a higher bandwidth can be obtained by use of a lower feedback resistor. The characteristic curves of Bandwidth vs Supply Voltage indicate feedback resistors for peaking up to 5dB. These curves use a solid line when the response has less than 0.5dB of peaking and a dashed line when the response has 0.5dB to 5dB of peaking. The curves stop where the response has more than 5dB of peaking. For resistive loads, the COMP pin should be left open (see section on capacitive loads). Capacitive Loads The LT1206 includes an optional compensation network for driving capacitive loads. This network eliminates most of the output stage peaking associated with capacitive loads, allowing the frequency response to be flattened. Figure 1 shows the effect of the network on a 200pF load. Without the optional compensation, there is a 5dB peak at 40MHz caused by the effect of the capacitance on the output stage. Adding a 0.01µF bypass capacitor between the output and the COMP pins connects the compensation and completely eliminates the peaking. A lower value feedback resistor can now be used, resulting in a response

the heat generated by the device. components as well as board size and shape. Table 1. R Package, 7-Lead DD Table 2. S8 Package, 8-Lead Plastic SOIC Figure 7. Thermal Calculation Example

0.01µF 3k330Ω 10k OUT OUTPUT OFFSET: < 500µV SLEW RATE: 2V/µs BANDWIDTH: 4MHz STABLE WITH C L < 10nF LT1206 • TA03 500pF LT1115 1µF 15V 1µF –15V 68pF 1µF 15V 1µF LT1206 0.01µF –15V 560Ω560Ω 909Ω 100Ω RL OUTPUT RL = 32Ω VO = 5VRMS THD + NOISE = 0.0009% AT 1kHz = 0.004% AT 20kHz SMALL SIGNAL 0.1dB BANDWIDTH = 600kHz LT1206 • TA04 S/D + + LT1206 S/D –15V 15V 24k 10k 2N3904 LT1206 • TA05 LT1206 S/D 0.01µF* VOUT RF** VIN LT1206 • TA07 OPTIONAL, USE WITH CAPACITIVE LOADS VALUE OF RF DEPENDS ON SUPPLY VOLTAGE AND LOADING. SELECT FROM TYPICAL AC PERFORMANCE TABLE OR DETERMINE EMPIRICALLY COMP Precision ×10 Hi Current Amplifier Low Noise ×10 Buffered Line Driver CMOS Logic to Shutdown Interface Buffer AV = 1 LT1206 S/D 75Ω VIN RF RG 75Ω 75Ω 75Ω 75Ω 75Ω CABLE LT1206 • TA06 Distribution Amplifier

Dimensions in inches (millimeters) unless otherwise noted. 8-Lead Plastic DIP DD7 0693 0.022 ± 0.005 (0.559 ± 0.127) 0.105 ± 0.008 (2.667 ± 0.203) 0.004+0.008 –0.004 ()0.102 +0.203 –0.102 0.050 ± 0.012 (1.270 ± 0.305) 0.059 (1.499) TYP 0.050 ± 0.008 (1.270 ± 0.203) 0.175 ± 0.008 (4.445 ± 0.203) 0.060 (1.524) 0.401 ± 0.015 (10.185 ± 0.381) 15° TYP 0.030 ± 0.008 (0.762 ± 0.203) 0.331 +0.012 –0.020 ()8.407 +0.305 –0.508 0.143 +0.012 –0.020 ()3.632 +0.305 –0.508 0.050 ± 0.010 (1.270 ± 0.254) R Package 7-Lead Plastic DD N8 0392 0.045 ± 0.015 (1.143 ± 0.381) 0.100 ± 0.010 (2.540 ± 0.254) 0.065 (1.651) TYP 0.045 – 0.065 (1.143 – 1.651) 0.130 ± 0.005 (3.302 ± 0.127) 0.020 (0.508) MIN 0.018 ± 0.003 (0.457 ± 0.076) 0.125 (3.175) MIN 12 3 4 87 6 5 0.250 ± 0.010 (6.350 ± 0.254) 0.400 (10.160) MAX 0.009 – 0.015 (0.229 – 0.381) 0.300 – 0.320 (7.620 – 8.128) 0.325 +0.025 –0.015 +0.635 –0.3818.255()

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 represen- tation that the interconnection of circuits as described herein will not infringe on existing patent rights. PACKAGE DESCRIPTIOU Dimensions in inches (millimeters) unless otherwise noted. 8-Lead Plastic SOIC Y Package 7-Lead TO-220 0.147 – 0.155 (3.73 – 3.94) DIA 0.390 – 0.410 (9.91 – 10.41) 0.045 – 0.055 (1.14 – 1.40) 0.235 – 0.258 (5.97 – 6.55) 0.026 – 0.036 (0.66 – 0.91) 0.103 – 0.113 (2.62 – 2.87) Y7 0893 0.260 – 0.320 (6.60 – 8.13) 0.045 – 0.055 (1.14 – 1.40) 0.169 – 0.185 (4.29 – 4.70) 0.095 – 0.115 (2.41 – 2.92) 0.155 – 0.195 (3.94 – 4.95) 0.620 (15.75) TYP 0.560 – 0.590 (14.22 – 14.99) 0.016 – 0.022 (0.41 – 0.56) 0.700 – 0.728 (17.78 – 18.49) 0.135 – 0.165 (3.43 – 4.19) 0.152 – 0.202 (3.86 – 5.13) 1 2 3 4 0.150 – 0.157 (3.810 – 3.988) 8 7 6 5 0.189 – 0.197 (4.801 – 5.004) 0.228 – 0.244 (5.791 – 6.197) 0.016 – 0.050 0.406 – 1.270 0.010 – 0.020 0°– 8° TYP 0.008 – 0.010 (0.203 – 0.254) SO8 0392 0.053 – 0.069 (1.346 – 1.752) 0.014 – 0.019 (0.355 – 0.483) 0.004 – 0.010 (0.101 – 0.254) 0.050 (1.270) BSC

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