# OPA4350EA

**Texas Instruments** · Precision Op Amps · SSOP-16

OPA4350EA from Texas Instruments, in a SSOP-16. 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 | Out A | output | Channel A output; output voltage swing approaches power rails within 10mV for high-impedance loads (≥10kΩ) |
| 2 | -In A | input | Channel A inverting input; accepts analog signals in common mode range from (V-) - 0.1V to (V+) + 0.1V |
| 3 | +In A | input | Channel A non-inverting input; accepts analog signals in common mode range from (V-) - 0.1V to (V+) + 0.1V |
| 4 | V+ | power_in | Positive power supply voltage; recommended operating range 2.7V to 5.5V |
| 5 | +In B | input | Channel B non-inverting input; accepts analog signals in common mode range from (V-) - 0.1V to (V+) + 0.1V |
| 6 | -In B | input | Channel B inverting input; accepts analog signals in common mode range from (V-) - 0.1V to (V+) + 0.1V |
| 7 | Out B | output | Channel B output; output voltage swing approaches power rails within 10mV for high-impedance loads (≥10kΩ) |
| 8 | NC | unconnected | No internal connection; do not connect this pin |
| 9 | NC | unconnected | No internal connection; do not connect this pin |
| 10 | Out C | output | Channel C output; output voltage swing approaches power rails within 10mV for high-impedance loads (≥10kΩ) |
| 11 | -In C | input | Channel C inverting input; accepts analog signals in common mode range from (V-) - 0.1V to (V+) + 0.1V |
| 12 | +In C | input | Channel C non-inverting input; accepts analog signals in common mode range from (V-) - 0.1V to (V+) + 0.1V |
| 13 | V- | power_in | Negative power supply voltage or ground reference |
| 14 | +In D | input | Channel D non-inverting input; accepts analog signals in common mode range from (V-) - 0.1V to (V+) + 0.1V |
| 15 | -In D | input | Channel D inverting input; accepts analog signals in common mode range from (V-) - 0.1V to (V+) + 0.1V |
| 16 | Out D | output | Channel D output; output voltage swing approaches power rails within 10mV for high-impedance loads (≥10kΩ) |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SSOP-16 |
| Category | Amplifiers/Comparators |
| Pins | 16 |

## CAD (KiCad official)

- Symbol: `OPA4350EA`
- Footprint: `Package_SO:SSOP-16_5.3x6.2mm_P0.65mm`
- 3D model: SSOP-16 (KiCad packages3D, STEP)
- 3D model files: `opa4350ea-etched.step` / `opa4350ea-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `opa4350ea.step` / `opa4350ea.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/opa350) (42 pp, sha256 `76ac77b0ecd27795`, 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/opa4350ea-datasheet.pdf)