# LMV331IDCKT

**Texas Instruments** · Comparators · SC-70-5

LMV331IDCKT from Texas Instruments, in a SC-70-5. 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 | IN+ | input | Comparator positive input pin. |
| 2 | GND | power_in | Ground pin. |
| 3 | IN- | input | Comparator negative input pin. |
| 4 | OUT | output | Comparator output pin (open-collector output; output voltage must not exceed VCC+ + 0.3 V). |
| 5 | VCC+ | power_in | Supply pin, 2.7 V to 5.5 V recommended for single-supply operation. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `LMV331IDCKT`
- Footprint: `Package_TO_SOT_SMD:SOT-353_SC-70-5`
- 3D model: SC-70-5 (KiCad packages3D, STEP)
- 3D model files: `lmv331idckt-etched.step` / `lmv331idckt-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmv331idckt.step` / `lmv331idckt.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/lmv331) (44 pp, sha256 `ead88527af28a03d`, retrieved 2026-10-03, 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/lmv331idckt-datasheet.pdf)