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OPA4991TQPWRQ1

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Texas Instruments Operational Amplifier, TSSOP-14. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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OPA4991TQPWRQ1

Texas Instruments · Operational Amplifier · TSSOP-14

OPA4991TQPWRQ1 from Texas Instruments, in a TSSOP-14. 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 OUT1 output Output of channel 1; the absolute maximum output short-circuit rating is listed as continuous (short to ground, one amplifier per package).
2 IN1- input Inverting input of channel 1; the recommended input voltage range is (V-) - 0.1 V to (V+) + 0.1 V.
3 IN1+ input Noninverting input of channel 1; the recommended input voltage range is (V-) - 0.1 V to (V+) + 0.1 V.
4 V+ power_in Positive (highest) power supply; the supply voltage (V+) - (V-) is 2.7 V to 40 V recommended.
5 IN2+ input Noninverting input of channel 2; the recommended input voltage range is (V-) - 0.1 V to (V+) + 0.1 V.
6 IN2- input Inverting input of channel 2; the recommended input voltage range is (V-) - 0.1 V to (V+) + 0.1 V.
7 OUT2 output Output of channel 2; the absolute maximum output short-circuit rating is listed as continuous (short to ground, one amplifier per package).
8 OUT3 output Output of channel 3; the absolute maximum output short-circuit rating is listed as continuous (short to ground, one amplifier per package).
9 IN3- input Inverting input of channel 3; the recommended input voltage range is (V-) - 0.1 V to (V+) + 0.1 V.
10 IN3+ input Noninverting input of channel 3; the recommended input voltage range is (V-) - 0.1 V to (V+) + 0.1 V.
11 V- power_in Negative (lowest) power supply; the supply voltage (V+) - (V-) is 2.7 V to 40 V recommended.
12 IN4+ input Noninverting input of channel 4; the recommended input voltage range is (V-) - 0.1 V to (V+) + 0.1 V.
13 IN4- input Inverting input of channel 4; the recommended input voltage range is (V-) - 0.1 V to (V+) + 0.1 V.
14 OUT4 output Output of channel 4; the absolute maximum output short-circuit rating is listed as continuous (short to ground, one amplifier per package).

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package TSSOP-14
Category Amplifiers/Comparators
Pins 14

CAD (KiCad official)

  • Symbol: OPA4991TQPWRQ1
  • Footprint: Package_SO:TSSOP-14_4.4x5mm_P0.65mm
  • 3D model: TSSOP-14 (KiCad packages3D, STEP)
  • 3D model files: opa4991tqpwrq1-etched.step / opa4991tqpwrq1-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); opa4991tqpwrq1.step / opa4991tqpwrq1.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (61 pp, sha256 18f33f3201fa2202, retrieved 2026-10-11, tier: lcsc)
  • 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