# OPA356AIDR

**Texas Instruments** · Operational Amplifier · SOIC-8

OPA356AIDR 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 | NC | unconnected | No internal connection. |
| 2 | -In | input | Inverting input; diode-clamped to the supply rails, with input current limited to 10mA if driven more than 0.5V beyond the rails. |
| 3 | +In | input | Non-inverting input; common-mode range extends from (V-) - 0.1V to (V+) - 1.5V and is diode-clamped to the rails, with current limited to 10mA. |
| 4 | V- | power_in | Negative supply (ground in single-supply use); supply span V+ to V- is specified 2.7V to 5.5V, with 7.5V absolute maximum. |
| 5 | NC | unconnected | No internal connection. |
| 6 | Out | output | Rail-to-rail output swinging within 100mV of the rails, with ±60mA recommended maximum continuous current and ±100mA peak at VS = 5V. |
| 7 | V+ | power_in | Positive supply, 2.5V to 5.5V operating (2.7V to 5.5V specified), with a 10µF ceramic bypass capacitor minimum recommended at this pin. |
| 8 | NC | unconnected | No internal connection. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-8 |
| Category | Amplifiers/Comparators |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `OPA356AIDR`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOIC-8 (KiCad packages3D, STEP)
- 3D model files: `opa356aidr-etched.step` / `opa356aidr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa356aidr.step` / `opa356aidr.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/opa356) (20 pp, sha256 `6d474fd4f44aabc1`, retrieved 2026-10-05, tier: lcsc)
- **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/opa356aidr-datasheet.pdf)