component
OPA4991QPWRQ1
Public Made by Adomby adom
Texas Instruments Operational Amplifier, TSSOP-14. 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
markdownOPA4991QPWRQ1
Texas Instruments · Operational Amplifier · TSSOP-14
OPA4991QPWRQ1 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 with ±75mA short circuit current capability and 1nF capacitive load drive. |
| 2 | IN1− | input | Inverting input of channel 1, common mode input range (V−)−0.1V to (V+)+0.1V. |
| 3 | IN1+ | input | Non-inverting input of channel 1, common mode input range (V−)−0.1V to (V+)+0.1V. |
| 4 | V+ | power_in | Positive power supply, operating range 2.7V to 40V relative to V−. |
| 5 | IN2+ | input | Non-inverting input of channel 2, common mode input range (V−)−0.1V to (V+)+0.1V. |
| 6 | IN2− | input | Inverting input of channel 2, common mode input range (V−)−0.1V to (V+)+0.1V. |
| 7 | OUT2 | output | Output of channel 2 with ±75mA short circuit current capability and 1nF capacitive load drive. |
| 8 | OUT3 | output | Output of channel 3 with ±75mA short circuit current capability and 1nF capacitive load drive. |
| 9 | IN3− | input | Inverting input of channel 3, common mode input range (V−)−0.1V to (V+)+0.1V. |
| 10 | IN3+ | input | Non-inverting input of channel 3, common mode input range (V−)−0.1V to (V+)+0.1V. |
| 11 | V- | power_in | Negative power supply (ground reference), supply voltage range 2.7V to 40V. |
| 12 | IN4+ | input | Non-inverting input of channel 4, common mode input range (V−)−0.1V to (V+)+0.1V. |
| 13 | IN4− | input | Inverting input of channel 4, common mode input range (V−)−0.1V to (V+)+0.1V. |
| 14 | OUT4 | output | Output of channel 4 with ±75mA short circuit current capability and 1nF capacitive load drive. |
Key specifications
| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | TSSOP-14 |
| Category | Amplifiers/Comparators |
| Pins | 14 |
CAD (KiCad official)
- Symbol:
OPA4991QPWRQ1 - Footprint:
Package_SO:TSSOP-14_4.4x5mm_P0.65mm - 3D model: TSSOP-14 (KiCad packages3D, STEP)
- 3D model files:
opa4991qpwrq1-etched.step/opa4991qpwrq1-etched.glbcarry the MPN laser-etched on the die in a toggleableAdom.LaserEtchgroup (Fusion-ready);opa4991qpwrq1.step/opa4991qpwrq1.glbare the bare package body.
Provenance
Data extracted from the manufacturer datasheet, not a distributor listing:
- Datasheet: Texas Instruments datasheet (65 pp, sha256
ad18138f042f7147, retrieved 2026-10-07, 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-4-5-20251001(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).