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OPA2171AID

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by adom

Texas Instruments Operational Amplifier, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Generated by kicad-footprint-generator · KiCad file format 20260206
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docs Publish 0.1.0 · Ray 18d ago
viewers opa2171aid: viewers · Ray 18d ago
opa2171aid-etched.glb opa2171aid: factory component page (tier=lcsc) · Ray 18d ago
opa2171aid-etched.step opa2171aid: factory component page (tier=lcsc) · Ray 18d ago
opa2171aid-hero.glb opa2171aid: hero GLB from the etched model (keeps the MPN mark) · Ray 18d ago
opa2171aid-hero.overlay.json Publish 0.1.0 · Ray 18d ago
opa2171aid.glb Publish 0.1.0 · Ray 18d ago
opa2171aid.kicad_mod Publish 0.1.0 · Ray 18d ago
opa2171aid.kicad_sym Publish 0.1.0 · Ray 18d ago
opa2171aid.lbr Publish 0.1.0 · Ray 18d ago
opa2171aid.step Publish 0.1.0 · Ray 18d ago
package.json Publish 0.1.0 · Ray 18d ago
page.json opa2171aid: specified limits as data (metadata.characteristics, 21 rows from the datasheet) · Ray 12d ago
README.md opa2171aid: specified limits as data (metadata.characteristics, 21 rows from the datasheet) · Ray 12d ago

OPA2171AID

Texas Instruments · Operational Amplifier · SOIC-8

OPA2171AID from Texas Instruments, in a SOIC-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 Output of amplifier A.
2 -IN A input Inverting input of amplifier A.
3 +IN A input Non-inverting input of amplifier A.
4 V- power_in Negative (lowest) supply pin; recommended supply voltage V+ - V- is 4.5 V to 36 V (±2.25 V to ±18 V), and the absolute maximum supply is 40 V.
5 +IN B input Non-inverting input of amplifier B.
6 -IN B input Inverting input of amplifier B.
7 OUT B output Output of amplifier B.
8 V+ power_in Positive (highest) supply pin; recommended supply voltage V+ - V- is 4.5 V to 36 V (±2.25 V to ±18 V), and the absolute maximum supply is 40 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package SOIC-8
Category Amplifiers/Comparators
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
Input offset voltage VOS -1.8 0.25 1.8 mV TA = 25°C 8
Input offset voltage over temperature VOS -2 0.3 2 mV TA = -40°C to +125°C 8
Offset voltage drift dVOS/dT -2 0.3 2 µV/°C TA = -40°C to +125°C 8
Offset voltage vs power supply -3 1 3 µV/V VS = 4V to 36V, TA = -40°C to +125°C 8
Input bias current IB -15 8 15 pA TA = 25°C 8
Input bias current over temperature IB -3.5 3.5 nA TA = -40°C to +125°C 8
Common-mode rejection ratio (VS = ±2V) CMRR 90 104 dB VS = ±2V, (V-) - 0.1V < VCM < (V+) - 2V, TA = -40°C to +125°C 8
Common-mode rejection ratio (VS = ±18V) CMRR 104 120 dB VS = ±18V, (V-) - 0.1V < VCM < (V+) - 2V, TA = -40°C to +125°C 8
Open-loop voltage gain AOL 110 130 dB VS = 4V to 36V, (V-) + 0.35V < VO < (V+) - 0.35V, TA = -40°C to +125°C 8
Output voltage swing from supply rail VO 30 mV VS = 5V, RL = 10kΩ 9
Short-circuit current ISC -35 25 mA 9
Rated supply voltage range VS 2.7 36 V 9
Quiescent current per amplifier IQ 475 595 µA IO = 0 A 9
Quiescent current per amplifier over temperature IQ 650 µA IO = 0 A, TA = -40°C to +125°C 9
Specified temperature range -40 125 °C 9
Operating temperature range -55 150 °C 9
Junction-to-ambient thermal resistance, D (SO) 8-pin RθJA 134.3 °C/W D (SO) 8-pin package 7
Junction-to-case (top) thermal resistance, D (SO) 8-pin RθJC(top) 72.1 °C/W D (SO) 8-pin package 7
Junction-to-board thermal resistance, D (SO) 8-pin RθJB 60.6 °C/W D (SO) 8-pin package 7
Junction-to-top characterization parameter, D (SO) 8-pin ψJT 18.2 °C/W D (SO) 8-pin package 7
Junction-to-board characterization parameter, D (SO) 8-pin ψJB 53.8 °C/W D (SO) 8-pin package 7

CAD (KiCad official)

  • Symbol: OPA2171AID
  • Footprint: Package_SO:SOIC-8_3.9x4.9mm_P1.27mm
  • 3D model: SOIC-8 (KiCad packages3D, STEP)
  • 3D model files: opa2171aid-etched.step / opa2171aid-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa2171aid.step / opa2171aid.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (57 pp, sha256 3c380002bd8285da, retrieved 2026-10-11, tier: lcsc)
  • Datasheet language: Chinese. Pin names, descriptions, and specs on this page were extracted and translated to English by ds2sf; the linked PDF is the manufacturer original.
  • 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