# OA1NP22C

**STMicroelectronics** · Operational Amplifier · SC-70-5

OA1NP22C from STMicroelectronics, in a SC-70-5. Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

## Pinout

| Pin | Name | Type | Function |
|---|---|---|---|
| 1 | OUT | output | Op-amp output. Rail-to-rail swing from VCC- to VCC+ (typical output swing within a few mV of the rails at light load). Drives loads referenced anywhere between the two supply rails. |
| 2 | VCC- | power_in | Negative supply rail (ground in single-supply operation). Together with VCC+ defines the supply voltage; operating range 1.5 V to 5.5 V across the two rails. |
| 3 | IN+ | input | Non-inverting analog input. Rail-to-rail common-mode range (VCC- - 0.1 V to VCC+ + 0.1 V). Input bias current 5 pA max at 25 degC, allowing direct connection to high-impedance sensors. |
| 4 | IN- | input | Inverting analog input. Rail-to-rail common-mode range (VCC- - 0.1 V to VCC+ + 0.1 V). Sets closed-loop gain via external feedback network; unity-gain stable. |
| 5 | VCC+ | power_in | Positive supply rail. Supply voltage (VCC+ minus VCC-) may range from 1.5 V to 5.5 V. Absolute maximum 6 V. Bypass with a local ceramic capacitor to VCC-. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | STMicroelectronics |
| Package | SC-70-5 |
| Category | Amplifiers/Comparators |
| Pins | 5 |

## Ordering variants

Same part, different packaging or reel option.

- `OA1NP22C`

## CAD (KiCad official)

- Symbol: `OA1NP22C`
- Footprint: `Package_TO_SOT_SMD:SOT-353_SC-70-5`
- 3D model: SC-70-5 (KiCad packages3D, STEP)
- 3D model files: `oa1np22c-etched.step` / `oa1np22c-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `oa1np22c.step` / `oa1np22c.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [STMicroelectronics datasheet](https://jlcpcb.com/api/file/downloadByFileSystemAccessId/8589932140063592448) (None pp, sha256 `247a4f245f4b0701`, retrieved 2026-08-17, tier: lcsc)
- **Extractor:** `ds2sf` (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
- **CAD:** KiCad official libraries (CC-BY-SA 4.0).

[Datasheet PDF](docs/oa1np22c-datasheet.pdf)