# LM2903DGKRG

**HANSCHIP semiconductor** · Comparators · MSOP-8

LM2903DGKRG from HANSCHIP semiconductor, in a MSOP-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 | 1OUT | output | Channel 1 open-drain output. |
| 2 | 1IN- | input | Channel 1 inverting (negative) input; differential input voltage up to ±18V absolute maximum. |
| 3 | 1IN+ | input | Channel 1 non-inverting (positive) input; common-mode range -0.3V to VCC absolute maximum. |
| 4 | VEE | power_in | Negative supply, connected to GND in single-supply operation (dual supply up to ±16V operating). |
| 5 | 2IN+ | input | Channel 2 non-inverting (positive) input; common-mode range -0.3V to VCC absolute maximum. |
| 6 | 2IN- | input | Channel 2 inverting (negative) input; differential input voltage up to ±18V absolute maximum. |
| 7 | 2OUT | output | Channel 2 open-drain output. |
| 8 | VCC | power_in | Positive supply, 2V to 32V operating in single-supply operation (36V absolute maximum). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | HANSCHIP semiconductor |
| Package | MSOP-8 |
| Category | Amplifiers/Comparators |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `LM2903DGKRG`
- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`
- 3D model: MSOP-8 (KiCad packages3D, STEP)
- 3D model files: `lm2903dgkrg-etched.step` / `lm2903dgkrg-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lm2903dgkrg.step` / `lm2903dgkrg.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [HANSCHIP semiconductor datasheet](docs/lm2903dgkrg-datasheet.pdf) (10 pp, sha256 `8a7718f5d3187e74`, retrieved 2026-10-09, 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-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/lm2903dgkrg-datasheet.pdf)