# LM2902KAVQDRQ1

**Texas Instruments** · Operational Amplifier · SOIC-14

LM2902KAVQDRQ1 from Texas Instruments, in a SOIC-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, channel 1 |
| 2 | IN1- | input | Inverting input, channel 1 |
| 3 | IN1+ | input | Non-inverting input, channel 1 |
| 4 | V+ | power_in | Positive (highest) power supply |
| 5 | IN2+ | input | Non-inverting input, channel 2 |
| 6 | IN2- | input | Inverting input, channel 2 |
| 7 | OUT2 | output | Output, channel 2 |
| 8 | OUT3 | output | Output, channel 3 |
| 9 | IN3- | input | Inverting input, channel 3 |
| 10 | IN3+ | input | Non-inverting input, channel 3 |
| 11 | V- | power_in | Negative (lowest) power or ground for single supply operation |
| 12 | IN4+ | input | Non-inverting input, channel 4 |
| 13 | IN4- | input | Inverting input, channel 4 |
| 14 | OUT4 | output | Output, channel 4 |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `LM2902KAVQDRQ1`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files: `lm2902kavqdrq1-etched.step` / `lm2902kavqdrq1-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2902kavqdrq1.step` / `lm2902kavqdrq1.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [Texas Instruments datasheet](https://www.ti.com/cn/lit/gpn/lm2902-q1) (39 pp, sha256 `3d3d1f3674651e6b`, 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`, primary `claude-haiku-4-5-20251001` (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](docs/lm2902kavqdrq1-datasheet.pdf)