component
OPA2171AID
Public Made by Adomby adom
Texas Instruments Operational Amplifier, SOIC-8. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.
3D Model
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Symbol & Footprint
Schematic Symbol
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PCB Footprint
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Datasheet
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README
markdownOPA2171AID
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.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);opa2171aid.step/opa2171aid.glbare 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, primaryclaude-haiku-5-5(text), consensusclaude-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).