# LMH6550MM

**Texas Instruments** · Differential Amplifiers · MSOP-8

LMH6550MM from Texas Instruments, 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 | -IN | input | Negative differential input; maximum input current 30 mA. |
| 2 | VCM | input | Output common-mode feedback input; maximum input current 30 mA. |
| 3 | V+ | power_in | Positive power supply with recommended operating voltage range 4.5 V to 12 V. |
| 4 | +OUT | output | Positive differential output. |
| 5 | -OUT | output | Negative differential output. |
| 6 | V- | power_in | Negative power supply. |
| 7 | EN | input | Enable input for shutdown control with 10 ns response time; maximum input current 30 mA. |
| 8 | +IN | input | Positive differential input; maximum input current 30 mA. |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `LMH6550MM`
- Footprint: `Package_SO:MSOP-8_3x3mm_P0.65mm`
- 3D model: MSOP-8 (KiCad packages3D, STEP)
- 3D model files: `lmh6550mm-etched.step` / `lmh6550mm-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmh6550mm.step` / `lmh6550mm.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/lmh6550) (37 pp, sha256 `0f8f9876d562abe3`, retrieved 2026-10-07, 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/lmh6550mm-datasheet.pdf)