AS2376
Document overview
- Manufacturer or author: Diodes Incorporated
- PDF pages: 14
Technical content
Features
Low Noise: 9.5nV/ at 1kHz 0.1Hz to 10Hz Noise: 0.8μVPP Quiescent Current: 760μA (typical) Low Offset Voltage: 5μV (typ) Gain Bandwidth Product: 5.5MHz Rail-to-Rail Input and Output Single-Supply Operation Supply Voltage: 2.2V to 5.5V Totally Lead-Free & Fully RoHS Compliant (Notes 1 & 2) Halogen and Antimony Free. “Green” Device (Note 3) An automotive-compliant part is available under separate datasheet (AS2376Q) Pin Assignments TOP VIEW SO-8 +IN A OUT A −IN A OUT B +IN B -IN B MSOP-8
Applications
Auto pumps Position sensors Vehicle occupant detection sensors Airbags Onboard charges (OBC) DC-DC converters Battery management systems (BMS) Notes: 1. No purposely added lead. Fully EU Directive 2002/95/EC (RoHS), 2011/65/EU (RoHS 2) & 2015/863/EU (RoHS 3) compliant. 2. See https://www.diodes.com/quality/lead-free/ for more information about Diodes Incorporated’s definitions of Halogen - and Antimony-free, "Green" and Lead-free. 3. Halogen- and Antimony-free "Green” products are defined as those which contain <900ppm bromine, <900ppm chlorine (<1500ppm total Br + Cl) and <1000ppm antimony compounds.
Document number: DS45193 Rev. 2 - 2 2 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376 Typical Applications Circuit Vcm=2.5V Vin 10kΩ AS2376 5 V 0.01µF Output V+In- In+ 1kΩ Basic Single Power Amplifier Connection Pin Description PIN I/O DESCRIPTION NAME SO-8/MSOP-8 +IN A 3 I Noninverting input, channel A +IN B 5 I Noninverting input, channel B –IN A 2 I Inverting input, channel A –IN B 6 I Inverting input, channel B OUT A 1 O Output, channel A OUT B 7 O Output, channel B V+ 8 — Positive (highest) power supply V– 4 — Negative (lowest) power supply Functional Block Diagram AS2376 Functional Block Output AIn+ A In- A Output BIn+ B In- B
Document number: DS45193 Rev. 2 - 2 3 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376 Absolute Maximum Ratings (Note 4) (@TA = +25°C, unless otherwise specified.) Symbol Parameter Rating Unit V+ -V- Supply Voltage 6.5 V - Output Short Circuit to V+ (Note 5) - - Output Short Circuit to V- (Note 6) - Current Signal input terminals (Note 7) (Note 7) mA Output short-circuit (Note 8) Continuous mA TST Storage Temperature -65 to +150 °C TJ Maximum Junction Temperature +150 °C TLEAD Lead Temperature (Soldering, 10 Seconds) +260 °C RθJA Junction-to-Ambient Thermal Resistance SO-8 115 °C/W MSOP-8 210 RθJC Junction-to-Case Thermal Resistance SO-8 18 °C/W MSOP-8 40 ESD HBM Human Body Model ESD Protection 4 kV ESD CDM Charged-device Model ESD Protection 1 kV Notes: 4. Absolute Maximum Ratings indicate limits beyond which damage to the device may occur. Operating Ratings indicate conditions f or which the device is intended to be functional, but specific performance is not guaranteed. For gua ranteed specifications and the test conditions, see the Electrical Characteristics. 5. Shorting output to V+ will adversely affect reliability. 6. Shorting output to V- will adversely affect reliability. 7. Input terminals are diode-clamped to the power-supply rails. Input signals that can swing more than 0.3V beyond the supply rails should be current limited to 10mA or less. 8. Short-circuit to ground. Recommended Operating Conditions Symbol Parameter Min. Max. Unit VCC Supply Voltage 2.2 5.5 V TA Ambient Operating Temperature Range -40 +125 °C
Document number: DS45193 Rev. 2 - 2 4 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376 Electrical Characteristics (Limits in standard typeface are for TA = +25°C, bold typeface applies over -40°C to +125°C (Note 9), RL = 10 kΩ connected to VS / 2, VCM = VS / 2, and VOUT = VS / 2, unless otherwise noted.) SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OFFSET VOLTAGE VOS Input offset voltage (Note 10) - - 5 25 μV Long-term stability (Note 11) - - 60 μV Package level shift (Note 12) - - 320 μV ΔVOS/ΔT Input offset voltage versus temperature TA = -40°C to +85°C - 0.26 1.2 μV/°C TA = -40°C to +125°C - 0.32 2 μV/°C PSRR Input offset voltage versus power supply TA = 25°C, VS = 2.2V to 5.5V, VCM < (V+) – 1.3V - 5 20 μV/V TA = -40°C to +125°C, - 5 - μV/V VS = 2.2V to 5.5V, VCM < (V+) – 1.3V - Channel separation, dc - 0.5 - mV/V INPUT BIAS CURRENT IB Input bias current TA = 25°C - 0.2 70 pA TA = –40°C to +125°C See Typical Characteristics pA IOS Input offset current - - 0.2 70 pA NOISE - Input voltage noise f = 0.1Hz to 10Hz - 0.8 - μVPP en Input voltage noise density f = 1kHz - 9.5 - nV/ In Input current noise f = 1kHz - 2 - fA/ INPUT VOLTAGE RANGE VCM Common-mode voltage range - (V–) – 0.1 - (V+) + 0.1 V CMRR Common-mode rejection ratio (V–) < VCM < (V+) – 1.3 V 76 90 - dB - Differential - - 6.5 - pF - Common-mode - - 13 - pF OPEN-LOOP GAIN AOL Open-loop voltage gain 50mV < VO < (V+) – 50mV, RL = 10kΩ 120 134 - dB 100mV < VO < (V+) – 100mV, RL = 2kΩ 120 126 - dB FREQUENCY RESPONSE CL = 100 pF, VS = 5.5 V GBW Gain-bandwidth product - - 5.5 - MHz SR Slew rate G = 1 - 2 - V/μs tS Settling time Settling to 0.1%, 2-V step , G = 1 - 1.6 - μs Settling to 0.01%, 2-V step , G = 1 - 2 - μs - Overload recovery time VIN × gain > VS - 0.33 - μs - Overload recovery time VIN × gain > VS - 0.33 - μs Notes: 9. Limits over the full temperature are guaranteed by design, but not tested in production. 10. After mounted to PCB, Vos value will be different to spec, the delta value depend on PCB solder stress, the max value is between +/ - 80µV, per our experiment. 11. AS2376Q, the long-term stability is defined as MAX. Vos shift during life HTOL 1000 hours with TA=+125°C (Tj=150°C). This Vos drift with time is not a linear function of time, and the shift is greater initially and diminishes over time. This parameter is guaranteed by design. 12. After HTSL 2000 hours with TA=+150°C, the Vos drift test condition is TA=+125°C.
Document number: DS45193 Rev. 2 - 2 5 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376 Electrical Characteristics (continued) (Limits in standard typeface are for TA = +25°C, bold typeface applies over -40°C to +125°C (Note 9), RL = 10kΩ connected to VS / 2, VCM = VS / 2, and VOUT = VS / 2, unless otherwise noted.) SYMBOL PARAMETER TEST CONDITIONS MIN TYP MAX UNIT OUTPUT - Voltage output swing from rail TA = 25°C, RL = 10kΩ - 10 20 mV TA = -40°C to +125°C, RL = 10kΩ - - 40 mV TA = 25°C, RL = 2kΩ - 40 50 mV TA = -40°C to +125°C, RL = 2kΩ - - 80 mV ISC Short-circuit current - +30, -50 mA CLOAD Capacitive load drive - See Typical Characteristics - RO Open-loop output - - 150 - Ω POWER SUPPLY VS Specified voltage range - 2.2 - 5.5 V Operating voltage range - - 2 to 5.5 - V IQ Quiescent current per amplifier TA = -40°C to +125°C - - 1 mA TEMPERATURE - Specified range - -40 - +125 °C - Operating range - -40 - +150 °C Note: 9. Limits over the full temperature are guaranteed by design, but not tested in production.
Document number: DS45193 Rev. 2 - 2 6 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376 Performance Characteristics -50 -40 -30 -20 -10 VCM = VCC / 2 Offset Voltage vs Supply Voltage Input Offset Voltage(uV) Supply Voltage(V) TA = -40C TA = +25C TA = +125C -2 -1 0 1 2 -50 -40 -30 -20 -10
50 Offset Voltage vs Common-Mode Voltage
VCC = 2.5V Input Offset Votlage(uV) Input Common Mode Voltage(V) TA = -40C TA = +25C TA = +125C -40 -20 0 20 40 60 80 100 120 140 -50 -40 -30 -20 -10 VCC = 2.5V VCC = 3.3V VCC = 5V Input Offset Voltage(uV) Temperature(C) Offset Voltage vs Temperature VCM = VCC / 2 -50 -25 0 25 50 75 100 125 100 200 300 400 500 600 700 800 900 1000 VCC = 5V, VIN+ = VIN- = VCC/2 Input Bias Current Input Offset Current Input Bias and Input Offset Current (pA) Temperature(C) Input Bias Current vs. Temperature 0.4 0.5 0.6 0.7 0.8 TA = -40C TA = +25C TA = +125C Quiescent Current(mA) Supply Voltage(V) Unity Gain, VIN+ = VCC / 2 No Load, per Amplifier Quiescent Current vs Supply Current -40 -20 0 20 40 60 80 100 120 140 0.60 0.61 0.62 0.63 0.64 0.65 0.66 0.67 0.68 Unity Gain, VIN+ = VCC / 2 No Load, per Amplifier VCC = 2.5V VCC = 3.3V VCC = 5V Quiescent Current(mA) Temperature(C) Quiescent Current vs Temperature
Document number: DS45193 Rev. 2 - 2 7 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376 Performance Characteristics (continued) 400 500 600 700 800 900 IQ ISC+ Short-Circuit Current(mA) Supply Voltage(V) Quiescent Current(uA) TA = 25C Quiescent and Short-Circuit Crrent vs Supply Voltage 1k 10k 100k 1M 10M 6Output Voltage(VPP) Frequency(Hz) VCC = 5V Maximum Output Voltage vs Freuency 0 10 20 30 40 50 60 70 80 -40C +25C +125C Output Voltage (V) Output Current (mA) Output Voltage vs Output Current +150C -40 -20 0 20 40 60 80 100 120 140 -100 -75 -50 -25 ISC- Short-Circuit Current (mA) Temperature (C) ISC+ Short-Circuit Current vs Temperature 10 100 1k 10k 100k 1M 10M -20 100 120 Frequency (Hz) Open-Loop Gain (dB) Gain Phase 100 120 140 160 180 Phase Margin () Open-Loop Frequency Response 10 100 1k 10k 100k 1M 10M -40 -30 -20 -10
70 Closed-Loop Frequency Response
Closed Loop Gain(dB) Frequency(Hz) Av = 1 Av = 10 Av = 100 Av = 1000 VCC = 2.5V RL = 10k CL = 470pF
Document number: DS45193 Rev. 2 - 2 8 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376 Performance Characteristics (continued) VS = ±2.5V AV = 1 Positive Input Overload Recovery VS = ±2.5V AV = 1 Negative Input Overload Recovery VS = ±1.25V AV = 1 Positive Input Overload Recovery VS = ±1.25V AV = 1 Negative Input Overload Recovery G = +1 RL = 10k CL = 100pF Small-Signal Pulse Response Large-Signal Pulse Response G = +1 RL = 10k CL = 100pF
Document number: DS45193 Rev. 2 - 2 9 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376 Performance Characteristics (continued) 0.1-Hz to 10-Hz Input Voltage Noise Input Voltage Noise Spectral Density 1 10 100 1k 10k 100k 100Voltage Noise(nV/Hz) Frequency(Hz) VS = ±2.5V AV = -100 Positive Output Overload Recovery VS = ±2.5V AV = -100 Negative Output Overload Recovery VS = ±1.25V AV = -100 Positive Output Overload Recovery VS = ±1.25V AV = -100 Negative Output Overload Recovery
Document number: DS45193 Rev. 2 - 2 10 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376
Application Information
The AS2376 combines low offset (25μV maximum) and 5.5-MHz bandwidth for a wide variety of filtering and control applications. Many op amps use chopper stabilization to achieve low offset voltage, but this normally comes with a restriction of bandwidth to less than 500kHz. The offset of the AS2376 is addressed by using post-package trim, allowing for the retention of significant bandwidth. Stability considerations when driving capacitive loads Operational amplifiers are prone to oscillation when required to drive large capacitive loads. The AS2376 is capable of driving a 250 picofarad load at unity gain. Larger loads will require the insertion of a nulling resistor (denoted as RS) in series with the load capacitor. The suggested nulling resistor value is 10Ω to 20Ω. This addition will introduce a small error but is negligible in most applications. Vin AS2376 0.01µF In- In+ Circuit for Driving Large Capacitive Loads Vout RS RLCL 10Ω to 20Ω Offset voltage as input common mode approaches V+ The AS236 has an input circuitry configuration that is common to most rail-to-rail input operational amplifiers. At the low end of the common mode input voltage range, the input signals are processed by a differential pair of PMOS transistors. This portion of the circuit is precision adjusted with post package trim allowing the offset to be in the microvolts range. As the input common mode voltage approaches approximately one volt less than the positive supply, the inputs are transitioned to a second differential pair of NMOS transistors. This portion of the op amp has an offset voltage similar to a conventional op amp. As noted in the heading of the Electrical Characteristics section, the precision offset voltage is optimized at a common mode of one half of the supply voltage. This conceptual chart depicts the approximate best case of extending the precision common mode area by using the device at 5.5V supply. Input Offset Voltage (mV) Input Common Mode Voltage (V) V+ = 5.5V -0.5 Offset Voltage over Common Mode Voltage Range
Document number: DS45193 Rev. 2 - 2 11 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376 Ordering Information (Note 10) Orderable Part Number Package Code Package Packing Quantity Carrier Part Number Suffix AS2376S-13 S SO-8 2,500 Tape and Reel -13 AS2376M8-13 M8 MSOP-8 2,500 Tape and Reel -13 Note: 10. For packaging details, go to our website at https://www.diodes.com/design/support/packaging/diodes -packaging/. Marking Information (1) SO-8 AS2376 (Top View) YY WW X X WW : Week : 01~52; 52 YY : Year : 19, 20, 21~ X X : Internal Code 8 7 6 5 1 2 3 4 represents 52 and 53 week Orderable Part Number Package Identification Code AS2376S-13 SO-8 AS2376 (2) MSOP-8 AS2376 (Top View) Y W X 8 7 6 5 1 2 3 4 Y : Year : 0 to 9 X : Internal Code a to z : 27 to 52 week; z represents W : Week : A to Z : 1 to 26 week; 52 and 53 week Orderable Part Number Package Identification Code AS2376M8-13 MSOP-8 AS2376
Document number: DS45193 Rev. 2 - 2 12 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376 Package Outline Dimensions Please see http://www.diodes.com/package-outlines.html for the latest version. SO-8 b e E A 9° (All sides) 4°±3° c Q h 45° R 0.1 D L Seating Plane Gauge Plane SO-8 Dim Min Max Typ A 1.40 1.50 1.45 A1 0.10 0.20 0.15 b 0.30 0.50 0.40 c 0.15 0.25 0.20 D 4.85 4.95 4.90 E 5.90 6.10 6.00 E1 3.80 3.90 3.85 E0 3.85 3.95 3.90 e -- -- 1.27 h - -- 0.35 L 0.62 0.82 0.72 Q 0.60 0.70 0.65 All Dimensions in mm MSOP-8 A e C Seating Plane Gauge Plane 0.25 L4x10° 4x10° C ccc C aaa C D Seating Plane H See Detail C Detail C c a E y x D A B aaa C D bbb C b ddd C A-B D Ø 0.60mmx0.038DP MSOP-8 Dim Min Max Typ A -- 1.10 -- A1 0.05 0.15 0.10 A2 0.75 0.95 0.86 A3 0.29 0.49 0.39 b 0.22 0.38 0.30 c 0.08 0.23 0.15 D 2.90 3.10 3.00 E 4.70 5.10 4.90 E1 2.90 3.10 3.00 E3 2.85 3.05 2.95 e -- -- 0.65 L 0.40 0.80 0.60 a 0° 8° 4° x -- -- 0.750 y -- -- 0.750 aaa 0.20 bbb 0.25 ccc 0.10 ddd 0.13 All Dimensions in mm
Document number: DS45193 Rev. 2 - 2 13 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376 Suggested Pad Layout Please see http://www.diodes.com/package-outlines.html for the latest version. SO-8 C X Y Dimensions Value (in mm) C 1.27 X 0.802 X1 4.612 Y 1.505 Y1 6.50 MSOP-8 X C Y Dimensions Value (in mm) C 0.650 X 0.450 Y 1.350 Y1 5.300 Mechanical Data SO-8 Package Material: Molded Plastic, UL Flammability Rating 94V-0 Terminals: Finish - Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 Weight: 0.074 grams (Approximate) Max Soldering Temperature +260°C for 30 secs as per JEDEC J-STD-020 MSOP-8 Package Material: Molded Plastic, UL Flammability Rating 94V-0 Terminals: Finish - Matte Tin Plated Leads, Solderable per MIL-STD-202, Method 208 Weight: 0.035 grams (Approximate) Max Soldering Temperature +260°C for 30 secs as per JEDEC J-STD-020
Document number: DS45193 Rev. 2 - 2 14 of 14 www.diodes.com May 2023 © 2023 Copyright Diodes Incorporated. All Rights Reserved. AS2376 IMPORTANT NOTICE 1. DIODES INCORPORATED (Diodes) AND ITS SUBSIDIARIES MAKE NO WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, WITH REGARDS TO ANY INFORMATION CONTAINED IN THIS DOCUMENT, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON -INFRINGEMENT OF THIRD PARTY INTELLECTUAL PROPERTY RIGHTS (AND THEIR EQUIVALENTS UNDER THE LAWS OF ANY JURISDICTION). 2. The Information contained herein is for informational purpose only and is provided only to illustrate the operation of Diodes ’ products described herein and application examples. Diodes does not assume any liability arising out of the application o r use of this document or any product described herein. This document is intended for skilled and technically trained engineering customers and users who d esign with Diodes’ products. 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