# TLC279CDR

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

TLC279CDR 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 | 1OUT | output | Output of channel 1 |
| 2 | 1IN- | input | Inverting input of channel 1 |
| 3 | 1IN+ | input | Non-inverting input of channel 1 |
| 4 | VDD | power_in | Positive (highest) power supply voltage |
| 5 | 2IN+ | input | Non-inverting input of channel 2 |
| 6 | 2IN- | input | Inverting input of channel 2 |
| 7 | 2OUT | output | Output of channel 2 |
| 8 | 3OUT | output | Output of channel 3 |
| 9 | 3IN- | input | Inverting input of channel 3 |
| 10 | 3IN+ | input | Non-inverting input of channel 3 |
| 11 | GND | power_in | Negative (lowest) power supply or ground |
| 12 | 4IN+ | input | Non-inverting input of channel 4 |
| 13 | 4IN- | input | Inverting input of channel 4 |
| 14 | 4OUT | output | Output of channel 4 |

## Key specifications

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

## CAD (KiCad official)

- Symbol: `TLC279CDR`
- Footprint: `Package_SO:SOIC-14_3.9x8.7mm_P1.27mm`
- 3D model: SOIC-14 (KiCad packages3D, STEP)
- 3D model files: `tlc279cdr-etched.step` / `tlc279cdr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tlc279cdr.step` / `tlc279cdr.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/tlc279) (36 pp, sha256 `b50badbab7b0833b`, retrieved 2026-10-07, 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/tlc279cdr-datasheet.pdf)