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Contents

Pinout
Key specifications
CAD (KiCad official)
Provenance

README

markdown

TLV320AIC3206IRSBT

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

TLV320AIC3206IRSBT 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	bidirectional	General-purpose digital I/O with programmable secondary functions for audio timing and interrupt outputs.
5	MCLK	input	Master clock input for codec operation.
6	BCLK	bidirectional	Primary I2S interface bit clock, bidirectional.
7	WCLK	bidirectional	Primary I2S interface word clock, bidirectional.
8	DIN	input	Primary I2S interface serial data input with configurable secondary functions for digital microphone.
9	DOUT	output	Primary I2S interface serial data output with configurable secondary functions for general-purpose output.
10	IOVdd	power_in	Supply for I/O buffers, 1.1 V to 3.6 V.
11	IOVss	power_in	Ground for I/O buffers.
12	SCLK	input	SPI serial clock input or digital microphone clock depending on device mode.
13	SCL/SS	input	I2C serial clock or SPI slave select depending on SPI_SELECT configuration.
14	SDA/MOSI	bidirectional	I2C serial data or SPI master-out-slave-in depending on SPI_SELECT, bidirectional in I2C mode.
15	MISO	output	SPI serial data output with configurable secondary functions for audio and general-purpose outputs.
16	SPI_SELECT	input	Control mode select input; high for SPI protocol, low for I2C protocol.
17	IN1_L	input	Multifunction analog input for left microphone or line input, configurable for single-ended or differential operation.
18	IN1_R	input	Multifunction analog input for right microphone or line input, configurable for single-ended or differential operation.
19	IN2_L	input	Multifunction analog input for left microphone or line input, configurable for single-ended or differential operation.
20	IN2_R	input	Multifunction analog input for right microphone or line input, configurable for single-ended or differential operation.
21	AVss	power_in	Analog ground.
22	REF	output	Reference voltage output for external filter capacitor.
23	MICBIAS	output	Programmable microphone bias voltage output.
24	IN3_L	input	Multifunction analog input for left microphone or line input, configurable for single-ended or differential operation.
25	IN3_R	input	Multifunction analog input for right microphone or line input, configurable for single-ended or differential operation.
26	LOL	output	Left line-level output.
27	LOR	output	Right line-level output.
28	GND_SENSE	input	External ground reference for ground-centered headphone interface with input range -0.5 V to 0.5 V.
29	AVdd	power_in	Analog supply voltage, 1.5 V to 1.95 V.
30	Vsys	power_in	System power supply, 1.5 V to 5.5 V; must be greater than or equal to AVdd and DVdd.
31	HPL	output	Left headphone output, ground-centered or single-ended configuration.
32	DRVdd_HP	power_in	Headphone driver supply, 1.5 V to 1.95 V for ground-centered configuration or 1.5 V to 3.6 V for single-ended.
33	HPR	output	Right headphone output, ground-centered or single-ended configuration.
34	MICDET	input	Microphone detection input for automatic microphone insertion sensing.
35	VNEG	power_in	Negative headphone supply, -1.8 V to 0 V input when charge pump disabled or filtering output when enabled.
36	FLY_N	power_in	Negative terminal for charge-pump flying capacitor.
37	DVss_CP	power_in	Charge pump ground.
38	FLY_P	power_in	Positive terminal for charge-pump flying capacitor.
39	DVdd_CP	power_in	Charge pump supply; recommended to connect to DVdd.
40	DVdd	power_in	Digital supply voltage, 1.26 V to 1.95 V.
41	EP	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: TLV320AIC3206IRSBT
Footprint: Package_DFN_QFN:QFN-40-1EP_5x5mm_P0.4mm_EP3.6x3.6mm
3D model: WQFN-40(5x5) (KiCad packages3D, STEP)
3D model files: tlv320aic3206irsbt-etched.step / tlv320aic3206irsbt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tlv320aic3206irsbt.step / tlv320aic3206irsbt.glb are the bare package body.

Provenance

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

Datasheet: Texas Instruments datasheet (52 pp, sha256 42fc13abdce469c1, retrieved 2026-10-01, 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