# OPA602AU

**Texas Instruments** · Precision OpAmps · SOIC-8

OPA602AU 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 | Offset Trim | passive | Offset voltage trim terminal; a 10kΩ to 1MΩ trim potentiometer (100kΩ recommended) gives a ±10mV typical trim range. |
| 2 | -In | input | Inverting input; the datasheet says to keep wiring short and avoid stray capacitance here, and input bias current is ±1pA max. |
| 3 | +In | input | Noninverting input; the datasheet says to keep wiring short and guard the board against leakage, since leakage can exceed the ±1pA max input bias current. |
| 4 | -VS | power_in | Negative supply; rated ±15VDC, derated performance from ±5V to ±18V, with absolute maximum supply of ±18VDC. |
| 5 | Offset Trim | passive | Offset voltage trim terminal; a 10kΩ to 1MΩ trim potentiometer (100kΩ recommended) gives a ±10mV typical trim range. |
| 6 | Output | output | Amplifier output; the op amp is unity-gain stable and easily drives capacitive loads up to 1500pF. |
| 7 | +VS | power_in | Positive supply; rated ±15VDC, derated performance from ±5V to ±18V, with absolute maximum supply of ±18VDC. |
| 8 | NC | unconnected | No connection, as marked NC on the SO-8 pin configuration. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Operational Amplifier/Comparator |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `OPA602AU`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `opa602au-etched.step` / `opa602au-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa602au.step` / `opa602au.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/opa602) (16 pp, sha256 `017ef969ddb9b58c`, 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](docs/opa602au-datasheet.pdf)