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TLV320AIC32IRHBR

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by Ray

Texas Instruments Audio Interface ICs, VQFN-32(5x5). Datasheet-verified pinout, KiCad symbol/footprint/3D.

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3D Model

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Symbol & Footprint

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Datasheet

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Contents

README

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TLV320AIC32IRHBR

Texas Instruments · Audio Interface ICs · VQFN-32(5x5)

TLV320AIC32IRHBR from Texas Instruments, in a VQFN-32(5x5). Pinout and pin descriptions extracted from the manufacturer datasheet by ds2sf; symbol, footprint, and 3D from KiCad-official CAD.

Pinout

Pin Name Type Function
1 MCLK input Master clock input. Accepts 512 kHz to 50 MHz reference for the internal PLL and audio sample-rate generator.
2 BCLK bidirectional Audio serial data bus bit clock. Input in slave mode, output in master mode.
3 WCLK bidirectional Audio serial data bus word (frame/LR) clock. Input in slave mode, output in master mode.
4 DIN input Audio serial data bus data input (to DAC).
5 DOUT output Audio serial data bus data output (from ADC).
6 DVSS power_in Digital core / I/O ground supply, 0 V.
7 IOVDD power_in Digital I/O voltage supply, 1.1 V - 3.6 V.
8 SCL input I2C serial clock input.
9 SDA bidirectional I2C serial data input/output (open-drain, requires pull-up).
10 MIC1L/LINE1L input Left analog input 1. Muxable as microphone or line-level input.
11 MIC1R/LINE1R input Right analog input 1. Muxable as microphone or line-level input.
12 MIC2L/LINE2L input Left analog input 2. Muxable as microphone or line-level input.
13 MIC2R/LINE2R input Right analog input 2. Muxable as microphone or line-level input.
14 MIC3L/LINE3L input Left analog input 3. Muxable as microphone or line-level input.
15 MICBIAS output Microphone bias voltage output. Programmable level (typically 2.0 V / 2.5 V / AVDD).
16 MIC3R/LINE3R input Right analog input 3. Muxable as microphone or line-level input.
17 AVSS1 power_in Analog ADC ground supply, 0 V.
18 DRVDD power_in Analog ADC and output driver voltage supply, 2.7 V - 3.6 V.
19 HPLOUT output High-power output driver, left positive (headphone left +).
20 HPLCOM output High-power output driver, left negative or multi-functional (headphone common, virtual ground, or line out).
21 DRVSS power_in Analog output driver ground supply, 0 V.
22 HPRCOM output High-power output driver, right negative or multi-functional (headphone common, virtual ground, or line out).
23 HPROUT output High-power output driver, right positive (headphone right +).
24 DRVDD power_in Analog output driver voltage supply, 2.7 V - 3.6 V.
25 AVDD power_in Analog DAC voltage supply, 2.7 V - 3.6 V.
26 AVSS2 power_in Analog DAC ground supply, 0 V.
27 LEFT_LOP output Left line output positive (differential line-out +).
28 LEFT_LOM output Left line output negative (differential line-out -).
29 RIGHT_LOP output Right line output positive (differential line-out +).
30 RIGHT_LOM output Right line output negative (differential line-out -).
31 RESET input Active-low hardware reset input. Asserting resets all internal registers to defaults.
32 DVDD power_in Digital core voltage supply, 1.65 V - 1.95 V.
33 GND_PAD power_in Exposed thermal pad on QFN underside. Connect to ground plane for thermal and electrical performance.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-32(5x5)
Category Interface
Pins 33

Ordering variants

Same part, different packaging or reel option.

  • TLV320AIC32IRHBR
  • TLV320AIC32IRHBT

CAD (KiCad official)

  • Symbol: TLV320AIC32IRHBR
  • Footprint: Package_DFN_QFN:QFN-32-1EP_5x5mm_P0.5mm_EP3.3x3.3mm
  • 3D model: VQFN-32(5x5) (KiCad packages3D, STEP)

Provenance

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

  • Datasheet: Texas Instruments datasheet (82 pp, sha256 b7d09fe7d6ca4502, retrieved 2026-08-17, tier: lcsc)
  • Extractor: ds2sf (Claude). Every pin and dimension is cited to a datasheet page; it refuses to fabricate.
  • CAD: KiCad official libraries (CC-BY-SA 4.0).

Datasheet PDF