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OPA2171MDCUTEP

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Texas Instruments Operational Amplifier, VSSOP-8-0.5mm. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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page.json opa2171mdcutep: specified limits as data (metadata.characteristics, 24 rows from the datasheet) · Ray 14d ago
README.md opa2171mdcutep: specified limits as data (metadata.characteristics, 24 rows from the datasheet) · Ray 14d ago

OPA2171MDCUTEP

Texas Instruments · Operational Amplifier · VSSOP-8-0.5mm

OPA2171MDCUTEP from Texas Instruments, in a VSSOP-8-0.5mm. 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 channel A, which swings to within 0.35 V of the rails (V-)+0.35 V to (V+)-0.35 V at RL = 10 kΩ and has a short-circuit current of +25/-35 mA.
2 -IN A input Inverting input of channel A; the input common-mode range is (V-) - 0.1 V to (V+) - 2 V, and it can extend up to V+ with reduced performance.
3 +IN A input Noninverting input of channel A; the input common-mode range is (V-) - 0.1 V to (V+) - 2 V, and it can extend up to V+ with reduced performance.
4 V- power_in Negative (lowest) power supply; the total supply voltage (V+ - V-) is specified from 4.5 V (±2.25 V) to 36 V (±18 V).
5 +IN B input Noninverting input of channel B; the input common-mode range is (V-) - 0.1 V to (V+) - 2 V, and it can extend up to V+ with reduced performance.
6 -IN B input Inverting input of channel B; the input common-mode range is (V-) - 0.1 V to (V+) - 2 V, and it can extend up to V+ with reduced performance.
7 OUT B output Output of channel B, which swings to within 0.35 V of the rails (V-)+0.35 V to (V+)-0.35 V at RL = 10 kΩ and has a short-circuit current of +25/-35 mA.
8 V+ power_in Positive (highest) power supply; the total supply voltage (V+ - V-) is specified from 4.5 V (±2.25 V) to 36 V (±18 V), with an absolute maximum supply of ±20 V.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VSSOP-8-0.5mm
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 5
Input offset voltage, over temperature -2 0.3 2 mV TJ = –55°C to 125°C 5
Power supply rejection ratio PSRR -5 1 5 µV/V VS = 4 to 36 V, TA = –55°C to 125°C 5
Input bias current IB -15 8 15 pA 5
Input bias current, over temperature -4 4 nA TJ = –55°C to 125°C 5
Input offset current, over temperature -4 4 nA TJ = –55°C to 125°C 5
Common-mode rejection ratio CMRR 87 104 dB VS = ±2 V, (V–) – 0.1 V < VCM < (V+) – 2 V, TJ = –55°C to 125°C 5
Common-mode rejection ratio CMRR 104 120 dB VS = ±18 V, (V–) – 0.1 V < VCM < (V+) – 2 V, TJ = –55°C to 125°C 5
Open-loop voltage gain AOL 110 130 dB VS = 4 to 36 V, (V–) + 0.35 V < VO < (V+) – 0.35 V, TJ = –55°C to 125°C 5
Short-circuit current ISC -35 25 mA 5
Specified voltage range VS 2.7 36 V 6
Quiescent current per amplifier IQ 475 595 µA IO = 0 A 6
Quiescent current per amplifier, over temperature IQ 650 µA IO = 0 A, TJ = –55°C to 125°C 6
Supply voltage -20 20 V 4
Signal input pins current -10 10 mA 4
Junction temperature 150 °C 4
Storage temperature Tstg -65 150 °C 4
Supply voltage (V+ – V–) 4.5 36 V Over operating free-air temperature range 4
Operating temperature TJ -55 125 °C 4
Junction-to-ambient thermal resistance RθJA 175.2 °C/W DCU (VSSOP) 8 pins 4
Junction-to-case (top) thermal resistance RθJC(top) 74.9 °C/W DCU (VSSOP) 8 pins 4
Junction-to-board thermal resistance RθJB 22.2 °C/W DCU (VSSOP) 8 pins 4
Junction-to-top characterization parameter ψJT 1.6 °C/W DCU (VSSOP) 8 pins 4
Junction-to-board characterization parameter ψJB 22.8 °C/W DCU (VSSOP) 8 pins 4

CAD (KiCad official)

  • Symbol: OPA2171MDCUTEP
  • Footprint: Package_SO:VSSOP-8_2.3x2mm_P0.5mm
  • 3D model: VSSOP-8-0.5mm (KiCad packages3D, STEP)
  • 3D model files: opa2171mdcutep-etched.step / opa2171mdcutep-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa2171mdcutep.step / opa2171mdcutep.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (27 pp, sha256 22b6ecce6f2cddd7, 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