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MAX4080FAUA+T

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Maxim Integrated Operational Amplifier, MSOP-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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MAX4080FAUA+T

Maxim Integrated · Operational Amplifier · MSOP-8

MAX4080FAUA+T from Maxim Integrated, in a MSOP-8. Pinout and pin descriptions extracted from the manufacturer datasheet (extract_pins, cross-checked by a second model); symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 RS+ input Power connection to the external-sense resistor, with a 4.5V to 76V input common-mode range.
2 VCC power_in Supply voltage input operating from 4.5V to 76V; decouple VCC to GND with at least a 0.1µF capacitor to bypass line transients.
3 N.C. unconnected No connection; no internal connection, so leave open or connect to ground.
4 GND power_in Ground reference for the device.
5 OUT output Voltage output that is proportional to VSENSE for the unidirectional MAX4080; output is clamped to not exceed 18V and must not exceed the lesser of 18V or (VCC + 0.3V).
6 N.C. unconnected No connection; no internal connection, so leave open or connect to ground.
7 N.C. unconnected No connection; no internal connection, so leave open or connect to ground.
8 RS- input Load connection to the external sense resistor, with RS+ to RS- differential input limited to ±80V.

Key specifications

Parameter Value
Manufacturer Maxim Integrated
Package MSOP-8
Category Amplifiers
Pins 8

Electrical characteristics

Limits as printed in the datasheet (page.json metadata.characteristics carries them as data).

Parameter Symbol Min Typ Max Unit Conditions Page
Operating Voltage Range VCC 4.5 76 V Inferred from PSRR test 2
Common-Mode Range CMVR 4.5 76 V Inferred from CMRR test (Note 3) 2
Supply Current (MAX4080) ICC 75 190 µA VCC = VRS+ = 76V, no load 2
Leakage Current IRS+, IRS- 0.01 2 µA VCC = 0V, VRS+ = 76V 2
Input Bias Current IRS+, IRS- 5 12 µA VCC = VRS+ = 76V 2
Full-Scale Sense Voltage (MAX4080F) VSENSE -1000 1000 1000 mV MAX4080F/MAX4081F; printed as ±1000 2
Gain AV 5 V/V MAX4080F/MAX4081F 2
Gain Accuracy DAV -0.6 0.1 0.6 % VCC = VRS+ = 48V; TA = +25°C (Note 5) 2
Gain Accuracy DAV -1 1 % VCC = VRS+ = 48V; TA = -40°C to +85°C (Note 5) 2
Gain Accuracy DAV -1.2 1.2 % VCC = VRS+ = 48V; TA = TMIN to TMAX (Note 5) 2
Input Offset Voltage VOS -0.6 0.1 0.6 mV VCC = VRS+ = 48V; TA = +25°C (Note 6) 2
Input Offset Voltage VOS -1 1 mV VCC = VRS+ = 48V; TA = -40°C to +85°C (Note 6) 2
Input Offset Voltage VOS -1.2 1.2 mV VCC = VRS+ = 48V; TA = TMIN to TMAX (Note 6) 2
Common-Mode Rejection Ratio CMRR 100 124 dB VCC = 48V, VRS+ = 4.5V to 76V (Note 7) 2
Power-Supply Rejection Ratio PSRR 100 122 dB VRS+ = 48V, VCC = 4.5V to 76V (Note 7) 2
OUT High Voltage (VCC - VOH) VOH 0.15 0.27 V VCC = 4.5V, VRS+ = 48V, VREF1A = VREF1B = 2.5V, IOUT (sourcing) = +500µA (Note 8); MAX4080F with VSENSE = 1000mV 2
OUT Low Voltage VOL 4 15 mV VCC = VRS+ = 48V, VREF1A = VREF1B = 2.5V; IOUT (sinking) = 10µA 3
OUT Low Voltage VOL 23 55 mV VCC = VRS+ = 48V, VREF1A = VREF1B = 2.5V; IOUT (sinking) = 100µA 3
Bandwidth (MAX4080F/T/S) BW 250 kHz VCC = VRS+ = 48V, VOUT = 2.5V 4
OUT Settling Time to 1% of Final Value 20 µs VSENSE = 10mV to 100mV 4
Capacitive-Load Stability 500 pF No sustained oscillations 4
Output Resistance ROUT 0.1 W VSENSE = 100mV 4
Power-Up Time 50 µs VCC = VRS+ = 48V, VSENSE = 100mV (Note 9) 4
Saturation Recovery Time 50 µs Notes 9, 10 4
Supply Voltage VCC to GND VCC -0.3 80 V 2
RS+, RS- to GND VRS+, VRS- -0.3 80 V 2
OUT to GND VOUT -0.3 18 V Upper limit is the lesser of +18V or (VCC + 0.3V) 2
Differential Input Voltage (VRS+ - VRS-) -80 80 V 2
Current into Any Pin -20 20 mA 2
Operating Temperature Range TA -40 125 °C 2
Junction Temperature TJ 150 °C 2
Storage Temperature Range TSTG -65 150 °C 2
Lead Temperature (soldering) 300 °C Soldering, 10s 2
Soldering Temperature (reflow) 260 °C Reflow 2

CAD (KiCad official)

  • Symbol: MAX4080FAUA+T
  • Footprint: Package_SO:MSOP-8_3x3mm_P0.65mm
  • 3D model: MSOP-8 (KiCad packages3D, STEP)
  • 3D model files: max4080faua-t-etched.step / max4080faua-t-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); max4080faua-t.step / max4080faua-t.glb are the bare package body.

Provenance

Data extracted from the manufacturer datasheet, not a distributor listing:

  • Datasheet: Maxim Integrated datasheet (14 pp, sha256 1cd392785b0f1571, retrieved 2026-10-28, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-haiku-5-5 (text), consensus claude-sonnet-5-5 (agreed), guards: pin_guards 0.1: passed. Pins are checked against the footprint pad set and their cited datasheet pages before publish.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF