# TLV320AIC3206IRSBR

**Texas Instruments** · Audio Interface ICs · WQFN-40(5x5)

TLV320AIC3206IRSBR from Texas Instruments, in a WQFN-40(5x5). 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 | DVss | power_in | Digital ground, device substrate. |
| 2 | DVss | power_in | Digital ground. |
| 3 | RESET | input | Hardware reset input. |
| 4 | GPIO/MFP5 | bidirectional | General purpose IO with configurable secondary functions including clock outputs and audio interface signals. |
| 5 | MCLK | input | Master clock input. |
| 6 | BCLK | bidirectional | Audio serial data bus primary bit clock (input/output). |
| 7 | WCLK | bidirectional | Audio serial data bus primary word clock (input/output). |
| 8 | DIN/MFP1 | input | Audio serial data bus data input with configurable secondary functions. |
| 9 | DOUT/MFP2 | output | Audio serial data bus data output with configurable secondary functions. |
| 10 | IOVdd | power_in | IO buffer power supply, 1.1V to 3.6V. |
| 11 | IOVss | power_in | IO buffer ground. |
| 12 | SCLK/MFP3 | input | SPI serial clock (SPI_Select=1) or digital microphone input (SPI_Select=0). |
| 13 | SCL/SS | input | I2C serial clock (SPI_Select=0) or SPI chip-select (SPI_Select=1). |
| 14 | SDA/MOSI | bidirectional | I2C serial data (SPI_Select=0) or SPI MOSI (SPI_Select=1), input/output. |
| 15 | MISO/MFP4 | output | SPI serial data output (SPI_Select=1) with configurable secondary functions. |
| 16 | SPI_SELECT | input | Control mode select, high for SPI, low for I2C. |
| 17 | IN1_L | input | Analog input for microphone 1 or line 1 left (single-ended) or negative differential input. |
| 18 | IN1_R | input | Analog input for microphone 1 or line 1 right (single-ended) or positive differential input. |
| 19 | IN2_L | input | Analog input for microphone 2 or line 2 left (single-ended) or positive differential input. |
| 20 | IN2_R | input | Analog input for microphone 2 or line 2 right (single-ended) or negative differential input. |
| 21 | AVss | power_in | Analog ground. |
| 22 | REF | output | Reference voltage output for filtering. |
| 23 | MICBIAS | output | Microphone bias voltage output. |
| 24 | IN3_L | input | Analog input for microphone 3 or line 3 left (single-ended) or positive differential input. |
| 25 | IN3_R | input | Analog input for microphone 3 or line 3 right (single-ended) or negative differential input. |
| 26 | LOL | output | Left channel line level output. |
| 27 | LOR | output | Right channel line level output. |
| 28 | GND_SENSE | input | Ground sense input for headphone interface, ±0.5V. |
| 29 | AVdd | power_in | Analog voltage supply, 1.5V to 1.95V. |
| 30 | Vsys | power_in | System power supply, 1.5V to 5.5V, must be ≥ AVdd and DVdd. |
| 31 | HPL | output | Left channel headphone output. |
| 32 | DRVdd_HP | power_in | Headphone amplifier power supply, 1.5V to 1.95V (ground-centered) or 1.5V to 3.6V (unipolar). |
| 33 | HPR | output | Right channel headphone output. |
| 34 | MICDET | input | Microphone detection input. |
| 35 | VNEG | bidirectional | Negative headphone supply, -1.8V to 0V, input when charge pump disabled or output when enabled. |
| 36 | FLY_N | bidirectional | Negative flying capacitor terminal for charge pump. |
| 37 | DVss_CP | power_in | Charge pump ground. |
| 38 | FLY_P | bidirectional | Positive flying capacitor terminal for charge pump. |
| 39 | DVdd_CP | power_in | Charge pump power supply, recommended connection to DVdd. |
| 40 | DVdd | power_in | Digital logic supply voltage, 1.26V to 1.95V. |
| 41 | Thermal Pad | passive | Exposed pad (from the footprint; not named in the datasheet pin table). |

## Key specifications

| Parameter | Value |
|---|---|
| Manufacturer | Texas Instruments |
| Package | WQFN-40(5x5) |
| Category | Interface |
| Pins | 41 |

## CAD (KiCad official)

- Symbol: `TLV320AIC3206IRSBR`
- Footprint: `Package_DFN_QFN:QFN-40-1EP_5x5mm_P0.4mm_EP3.6x3.6mm`
- 3D model: WQFN-40(5x5) (KiCad packages3D, STEP)
- 3D model files: `tlv320aic3206irsbr-etched.step` / `tlv320aic3206irsbr-etched.glb` carry the MPN laser-etched on the die in a toggleable `Adom.LaserEtch` group (Fusion-ready); `tlv320aic3206irsbr.step` / `tlv320aic3206irsbr.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/tlv320aic3206) (52 pp, sha256 `42fc13abdce469c1`, retrieved 2026-10-03, tier: lcsc)
- **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/tlv320aic3206irsbr-datasheet.pdf)