# PT8211-S

**PTC(Princeton Tech)** · Digital To Analog Converters (DACs) · SOP-8-150mil

PT8211-S from PTC(Princeton Tech), in a SOP-8-150mil. 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 | BCK | input | Serial bit clock input for the digital audio serial data. |
| 2 | WS | input | Word select clock input pin that selects left or right channel data. |
| 3 | DIN | input | Serial data input pin, two's complement, MSB first, LSB-justified format. |
| 4 | GND | power_in | Ground. |
| 5 | VDD | power_in | Positive power supply. |
| 6 | LCH | output | Left channel analog output. |
| 7 | NC | unconnected | No connection. |
| 8 | RCH | output | Right channel analog output. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PTC(Princeton Tech) |
| Package | SOP-8-150mil |
| Category | ADC/DAC/Data Conversion |
| Pins | 8 |

## CAD (KiCad official)

- Symbol: `PT8211-S`
- Footprint: `Package_SO:SOIC-8_3.9x4.9mm_P1.27mm`
- 3D model: SOP-8-150mil (KiCad packages3D, STEP)
- 3D model files: `pt8211-s-etched.step` / `pt8211-s-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pt8211-s.step` / `pt8211-s.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [PTC(Princeton Tech) datasheet](docs/pt8211-s-datasheet.pdf) (4 pp, sha256 `71f9c666d19855e0`, retrieved 2026-10-22, tier: lcsc)
- **Extractor:** parts-factory `2.0.0` / `extract_pins 0.3`, primary `claude-sonnet-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/pt8211-s-datasheet.pdf)