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LT1881AIS8#TRPBF

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Analog Devices Precision OpAmps, SO-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

componentamplifierslt1881ais8#trpbffactory-2.0.0extractor-text

Verified LT1881AIS8#TRPBF

by Ray · last 30 Oct 2026 · 1 record · files match
SymbolFootprint3D modelPins

Verification log 1 record

30 Oct 2026RayPublished by the parts factory: tier mfr, 8 pinsfiles match
SymbolFootprint3D modelPinsfor all variants
  • ✓component-page-verify: PASS
  • ✓cad_props: Datasheet, MPN and distributor properties match page.json
  • ✓component: LT1881AIS8#TRPBF · SO-8 · 8 pins
  • ✓copper: 8 copper pads, none touching another net
  • ✓datasheet: all 8 pin names found in the 18-page datasheet
  • ✓distributor: lcsc C665495, digikey LT1881AIS8#TRPBFTR-ND, mouser 584-LT1881AIS8#TRPBF
  • ✓family: SOIC-8_3.9x4.9mm_P1.27mm
  • ✓files: 7 declared files present
  • ✓hero: docs/hero.png 4000x2500
  • ✓lbr: OK: /tmp/cpv-_lbg2ex9/x.lbr is a valid EAGLE .lbr with complete deviceset
  • ✓license: CC-BY-SA-4.0
  • ✓models_3d: 2 records
  • ✓package_fit: height and body within the datasheet's package drawing (datasheet p.16)
  • ✓pads: 8 pins = 8 pads
  • ✓pose: 2 STEP(s) Z-up, seated, centred
  • ✓symbol: 8 pins agree
  • ✓visibility: public, source open
Evidencedatasheet
Verified files✓ lt1881ais8-trpbf.kicad_sym✓ lt1881ais8-trpbf.kicad_mod✓ lt1881ais8-trpbf.step
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Ray Publish 0.1.0 af4f9b4 3d ago

LT1881AIS8#TRPBF

Analog Devices · Precision OpAmps · SO-8

LT1881AIS8#TRPBF from Analog Devices, in a SO-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 OUT A output Amplifier A output with rail-to-rail swing to within 40mV of V- and 220mV of V+, able to drive up to 1000pF in unity gain.
2 -IN A input Amplifier A inverting input, with 200pA maximum bias current (LT1881A) and a common mode range of V- + 1V to V+ - 1V.
3 +IN A input Amplifier A noninverting input, with 200pA maximum bias current (LT1881A) and a common mode range of V- + 1V to V+ - 1V.
4 V- power_in Negative supply (or ground in single-supply use); total supply V+ to V- is 2.7V to 36V, 40V absolute maximum.
5 +IN B input Amplifier B noninverting input, with 200pA maximum bias current (LT1881A) and a common mode range of V- + 1V to V+ - 1V.
6 -IN B input Amplifier B inverting input, with 200pA maximum bias current (LT1881A) and a common mode range of V- + 1V to V+ - 1V.
7 OUT B output Amplifier B output with rail-to-rail swing to within 40mV of V- and 220mV of V+, able to drive up to 1000pF in unity gain.
8 V+ power_in Positive supply; total supply V+ to V- is 2.7V to 36V, 40V absolute maximum.

Key specifications

Parameter Value
Manufacturer Analog Devices
Package SO-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
Supply Voltage V+ to V- 40 V 2
Differential Input Voltage -10 10 V Note 2 2
Input Current -10 10 mA Note 2 2
Maximum Junction Temperature TJMAX 150 °C 2
Storage Temperature Range -65 150 °C 2
Lead Temperature 300 °C Soldering, 10 sec 2
Operating Temperature Range -40 85 °C LT1881I 2
Thermal Resistance Junction-Ambient θJA 190 °C/W S8 package 2
Input Offset Voltage (LT1881A) VOS 25 50 μV VS = 5V, 0V; TA = 25°C 3
Input Offset Voltage (LT1881A) VOS 85 μV VS = 5V, 0V; 0°C < TA < 70°C 3
Input Offset Voltage (LT1881A) VOS 110 μV VS = 5V, 0V; -40°C < TA < 85°C 3
Input Offset Voltage Drift ΔVOS/ΔT 0.3 0.8 μV/°C -40°C < TA < 85°C (Note 6) 3
Input Offset Current (LT1881A) IOS 100 200 pA VS = 5V, 0V; TA = 25°C 3
Input Offset Current (LT1881A) IOS 300 pA VS = 5V, 0V; -40°C < TA < 85°C 3
Input Bias Current (LT1881A) IB 100 200 pA VS = 5V, 0V; TA = 25°C 3
Input Bias Current (LT1881A) IB 300 pA VS = 5V, 0V; -40°C < TA < 85°C 3
Common Mode Rejection Ratio CMRR 106 128 dB 1V < VCM < 4V 3
Power Supply Rejection Ratio PSRR 106 dB V- = 0V, VCM = 1.5V; 0°C < TA < 85°C, 2.7V < V+ < 32V 3
Large-Signal Voltage Gain AVOL 500 1600 V/mV RL = 10k; 1V < VOUT < 4V 4
Large-Signal Voltage Gain AVOL 300 800 V/mV RL = 2k; 1V < VOUT < 4V 4
Large-Signal Voltage Gain AVOL 250 400 V/mV RL = 1k; 1V < VOUT < 4V 4
Output Voltage Swing Low VOL 20 40 mV No Load 4
Output Voltage Swing Low VOL 25 50 mV ISINK = 100μA 4
Output Voltage Swing Low VOL 70 150 mV ISINK = 1mA 4
Output Voltage Swing Low VOL 270 600 mV ISINK = 5mA 4
Output Voltage Swing High (Referred to V+) VOH 120 220 mV No Load 4
Output Voltage Swing High (Referred to V+) VOH 130 230 mV ISINK = 100μA 4
Output Voltage Swing High (Referred to V+) VOH 180 300 mV ISINK = 1mA 4
Output Voltage Swing High (Referred to V+) VOH 360 600 mV ISINK = 5mA 4
Supply Current Per Amplifier IS 0.45 0.65 0.85 mA VS = 3V, 0V 4
Supply Current Per Amplifier IS 0.5 0.65 0.9 mA VS = 5V, 0V 4
Supply Current Per Amplifier IS 0.5 0.7 1 mA VS = 12V, 0V 4
Short-Circuit Current ISC 15 30 mA VOUT Short to GND 4
Gain Bandwidth Product GBW 0.35 1 MHz f = 20kHz; VS = 5V, 0V 4
Slew Rate Positive SR+ 0.15 0.35 V/μs AV = -1; VS = 5V, 0V 4
Slew Rate Negative SR- 0.11 0.18 V/μs AV = -1; VS = 5V, 0V 4
Offset Voltage Match (LT1881A) ΔVOS 30 70 μV VS = 5V, 0V; Note 7 4
Noninverting Bias Current Match (LT1881A) ΔIB+ 200 300 pA VS = 5V, 0V; Note 7 4
Input Offset Voltage (LT1881A) VOS 25 50 μV VS = ±15V, VCM = 0V; TA = 25°C 5
Common Mode Rejection Ratio CMRR 114 130 dB -13.5V < VCM < 13.5V 6
Positive Power Supply Rejection Ratio +PSRR 110 132 dB V- = -15V, VCM = 0V; 1.5V < V+ < 18V 6
Negative Power Supply Rejection Ratio -PSRR 106 132 dB V+ = 15V, VCM = 0V; -1.5V < V- < -18V 6
Minimum Operating Supply Voltage 1.2 1.35 V VS = ±15V section, as printed ±1.2 ±1.35 6
Large-Signal Voltage Gain AVOL 1000 1600 V/mV RL = 10k; -13.5V < VOUT < 13.5V 6
Large-Signal Voltage Gain AVOL 175 420 V/mV RL = 2k; -13.5V < VOUT < 4V 6
Large-Signal Voltage Gain AVOL 90 230 V/mV RL = 1k; 1V < VOUT < 4V 6
Output Voltage Swing Low (Referred to VEE) VOL 20 40 mV No Load; VS = ±15V 6
Output Voltage Swing Low (Referred to VEE) VOL 270 600 mV ISINK = 5mA; VS = ±15V 6
Output Voltage Swing High (Referred to VCC) VOH 120 220 mV No Load; VS = ±15V 6
Output Voltage Swing High (Referred to VCC) VOH 360 600 mV ISOURCE = 5mA; VS = ±15V 6
Supply Current Per Amplifier IS 0.5 0.85 1.1 mA VS = ±15V 6
Short-Circuit Current ISC 20 40 mA VOUT Short to V- 6
Short-Circuit Current ISC 20 30 mA VOUT Short to V+ 6
Gain Bandwidth Product GBW 0.4 0.85 MHz f = 20kHz; VS = ±15V 6
Slew Rate Positive SR+ 0.21 0.4 V/μs AV = -1; VS = ±15V 6
Slew Rate Negative SR- 0.13 0.2 V/μs AV = -1; VS = ±15V 6
Full-Power Bandwidth FPBW 1.47 2.25 kHz VOUT = 28VP-P (Note 10); VS = ±15V 7
Offset Voltage Match (LT1881A) ΔVOS 35 70 μV Note 7; VS = ±15V 7
Common Mode Rejection Match ΔCMRR 110 125 dB Notes 7, 9; VS = ±15V 7
Positive Power Supply Rejection Ratio Match Δ+PSRR 108 130 dB V- = -15V, VCM = 0V, 1.5V < V+ < 18V, (Notes 7, 9) 7

CAD (KiCad official)

  • Symbol: LT1881AIS8#TRPBF
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SO-8 (KiCad packages3D, STEP)
  • 3D model files: lt1881ais8-trpbf-etched.step / lt1881ais8-trpbf-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); lt1881ais8-trpbf.step / lt1881ais8-trpbf.glb are the bare package body.

Provenance

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

  • Datasheet: Analog Devices datasheet (18 pp, sha256 3a9a2fc8222026c6, retrieved 2026-10-30, tier: manufacturer)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.3, primary claude-sonnet-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