# LMV844MAX

**Texas Instruments** · Precision Op Amps · SOIC-14

LMV844MAX from Texas Instruments, in a SOIC-14. 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 | Output of amplifier A. |
| 2 | IN A- | input | Inverting input of amplifier A; differential input voltage limited to ±300mV or input current to ±10mA. |
| 3 | IN A+ | input | Non-inverting input of amplifier A; differential input voltage limited to ±300mV or input current to ±10mA. |
| 4 | V+ | power_in | Positive supply, 2.7V to 12V total supply range (13.2V absolute max), bypassed with a low-ESR capacitor close to the pin. |
| 5 | IN B+ | input | Non-inverting input of amplifier B; differential input voltage limited to ±300mV or input current to ±10mA. |
| 6 | IN B- | input | Inverting input of amplifier B; differential input voltage limited to ±300mV or input current to ±10mA. |
| 7 | OUT B | output | Output of amplifier B. |
| 8 | OUT C | output | Output of amplifier C. |
| 9 | IN C- | input | Inverting input of amplifier C; differential input voltage limited to ±300mV or input current to ±10mA. |
| 10 | IN C+ | input | Non-inverting input of amplifier C; differential input voltage limited to ±300mV or input current to ±10mA. |
| 11 | V- | power_in | Negative supply, connected to ground in single-supply operation. |
| 12 | IN D+ | input | Non-inverting input of amplifier D; differential input voltage limited to ±300mV or input current to ±10mA. |
| 13 | IN D- | input | Inverting input of amplifier D; differential input voltage limited to ±300mV or input current to ±10mA. |
| 14 | OUT D | output | Output of amplifier D. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | SOIC-14 |
| Category | Amplifiers/Comparators |
| Pins | 14 |

## CAD (KiCad official)

- Symbol: `LMV844MAX`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files: `lmv844max-etched.step` / `lmv844max-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `lmv844max.step` / `lmv844max.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/lmv842) (46 pp, sha256 `e7b2202e2372f27a`, retrieved 2026-10-08, 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-sonnet-5-5` (text+vision), consensus `claude-opus-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/lmv844max-datasheet.pdf)