# TLV320ADC3100IRGER

**Texas Instruments** · ADCs/DACs - Special Purpose · VQFN-24(4x4)

TLV320ADC3100IRGER from Texas Instruments, in a VQFN-24(4x4). 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 | BCLK | bidirectional | Audio serial data bus bit clock |
| 2 | WCLK | bidirectional | Audio serial data bus word clock |
| 3 | DOUT | output | Audio serial data bus data output |
| 4 | RESET | input | Reset |
| 5 | MICBIAS1 | output | MICBIAS1 bias voltage output |
| 6 | IN3L(M) | input | Microphone or line analog input (left-channel single-ended or differential minus) |
| 7 | IN2L(P) | input | Microphone or line analog input (left-channel single-ended or differential plus) |
| 8 | NC | unconnected | No connection |
| 9 | AVSS | power_in | Analog ground supply, 0 V |
| 10 | AVDD | power_in | Analog voltage supply, 2.7 V-3.6 V |
| 11 | NC | unconnected | No connection |
| 12 | IN2R(P) | input | Microphone or line analog input (right-channel single-ended or differential plus) |
| 13 | IN3R(M) | input | Microphone or line analog input (right-channel single-ended or differential minus) |
| 14 | NC | unconnected | No connection |
| 15 | I2C_ADR0 | input | LSB of I2C bus address |
| 16 | I2C_ADR1 | input | LSB + 1 of I2C bus address |
| 17 | SCL | bidirectional | I2C serial clock |
| 18 | SDA | bidirectional | I2C serial data input/output |
| 19 | GPIO1 | bidirectional | General-purpose input/output 1, multifunction pin based on register programming |
| 20 | NC | unconnected | No connection |
| 21 | IOVDD | power_in | I/O voltage supply, 1.1 V-3.6 V |
| 22 | DVDD | power_in | Digital core voltage supply, 1.65 V-1.95 V |
| 23 | DVSS | power_in | Digital ground supply, 0 V |
| 24 | MCLK | input | Master clock input |
| 25 | Thermal pad | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | VQFN-24(4x4) |
| Category | Data Acquisition |
| Pins | 25 |

## CAD (KiCad official)

- Symbol: `TLV320ADC3100IRGER`
- Footprint: `Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm`
- 3D model: VQFN-24(4x4) (KiCad packages3D, STEP)
- 3D model files: `tlv320adc3100irger-etched.step` / `tlv320adc3100irger-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tlv320adc3100irger.step` / `tlv320adc3100irger.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/tlv320adc3100) (101 pp, sha256 `d71fc79271ca32dc`, retrieved 2026-10-05, 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/tlv320adc3100irger-datasheet.pdf)