# PT2314E

**PTC(Princeton Tech)** · Audio Interface ICs · SOP-28-300mil

PT2314E from PTC(Princeton Tech), in a SOP-28-300mil. 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 | VDD | power_in | Supply input voltage, with the datasheet stating operation from VDD=4V to 10V. |
| 2 | AGND | power_in | Analog ground. |
| 3 | TREB_L | input | Left channel input for the treble controller. |
| 4 | TREB_R | input | Right channel input for the treble controller. |
| 5 | RIN | input | Right channel volume controller input. |
| 6 | ROUT | output | Right channel input selector output. |
| 7 | LOUD_R | input | Right channel loudness input. |
| 8 | RIN4 | input | Right channel input 4. |
| 9 | RIN3 | input | Right channel input 3. |
| 10 | RIN2 | input | Right channel input 2. |
| 11 | RIN1 | input | Right channel input 1. |
| 12 | LOUD_L | input | Left channel loudness input. |
| 13 | LIN4 | input | Left channel input 4. |
| 14 | LIN3 | input | Left channel input 3. |
| 15 | LIN2 | input | Left channel input 2. |
| 16 | LIN1 | input | Left channel input 1. |
| 17 | LIN | input | Left channel volume controller input. |
| 18 | LOUT | output | Left channel input selector output. |
| 19 | BIN_L | input | Left channel input for the bass controller. |
| 20 | BOUT_L | output | Left channel output for the bass controller. |
| 21 | BIN_R | input | Right channel input for the bass controller. |
| 22 | BOUT_R | output | Right channel output for the bass controller. |
| 23 | OUT_R | output | Right channel output. |
| 24 | OUT_L | output | Left channel output. |
| 25 | DGND | power_in | Digital ground. |
| 26 | SDA | input | I2C data input. |
| 27 | SCL | input | I2C clock input. |
| 28 | REF | passive | Analog reference voltage, stated as 1/2VDD. |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | PTC(Princeton Tech) |
| Package | SOP-28-300mil |
| Category | Interface ICs |
| Pins | 28 |

## Electrical characteristics

Limits as printed in the datasheet (page.json `metadata.characteristics` carries them as data).

| Parameter | Symbol | Min | Typ | Max | Unit | Conditions | Page |
|---|---|---|---|---|---|---|---|
| Supply input voltage (wide operation range) | VDD | 4 |  | 10 | V | Wide operation range (features list) | 1 |

## CAD (KiCad official)

- Symbol: `PT2314E`
- Footprint: `Package_SO:SOP-28_8.4x18.16mm_P1.27mm`
- 3D model: SOP-28-300mil (KiCad packages3D, STEP)
- 3D model files: `pt2314e-etched.step` / `pt2314e-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `pt2314e.step` / `pt2314e.glb` are the bare package body.

## Provenance

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

- **Datasheet:** [PTC(Princeton Tech) datasheet](docs/pt2314e-datasheet.pdf) (5 pp, sha256 `c78c78bbd371c7ea`, retrieved 2026-10-27, tier: lcsc)
- **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/pt2314e-datasheet.pdf)