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AK4432VT

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Asahi Kasei Microdevices ADC/DAC - Specialized, TSSOP-16. Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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AK4432VT

Asahi Kasei Microdevices · ADC/DAC - Specialized · TSSOP-16

AK4432VT from Asahi Kasei Microdevices, in a TSSOP-16. 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 MCLK input Master Clock Input Pin, held Hi-z in power down.
2 BICK input Audio Serial Data Clock Pin, held Hi-z in power down.
3 SDTI input Audio Serial Data Input Pin, held Hi-z in power down.
4 LRCK input Input Channel Clock Pin, held Hi-z in power down.
5 PDN input Power-Down and Reset Pin: when L, the AK4432 is powered down and the control registers are reset to default state.
6 SMUTE/CSN/I2CFIL input Soft Mute Pin in parallel control mode, Chip Select in 3-wire serial mode, and I2C mode select (L: Fast Mode 400kHz, H: Fast Mode Plus 1MHz); do not change I2CFIL while PDN is H.
7 ACKS/CCLK/SCL input Auto Setting Mode Select in parallel control mode (L: manual, H: auto), Control Data Clock in 3-wire serial mode, and I2C clock SCL in I2C serial mode.
8 DIF/CDTI/SDA bidirectional Audio Data Format Select in parallel mode (L: 32bit MSB justified, H: 32bit I2S compatible), Control Data Input in 3-wire serial mode, and I2C control data input/output SDA.
9 P/S input Parallel/Serial Mode Select (L: serial mode, H: parallel mode); do not change while PDN is H.
10 AOUTR output Rch Analog Output Pin, to be left open if unused.
11 AOUTL output Lch Analog Output Pin, to be left open if unused.
12 VCOM output Common Voltage Output Pin, AVDD x 1/2, with a large external capacitor around 2.2uF used to reduce power-supply noise.
13 VSS power_in Ground Pin.
14 AVDD power_in Analog Power Supply Pin, 3.0V to 3.6V.
15 LVDD power_in LDO and Digital I/F Power Supply Pin, 3.0V to 3.6V.
16 LDOO output LDO Output Pin, to be connected to ground with 1.0uF.

Key specifications

Parameter Value
Manufacturer Asahi Kasei Microdevices
Package TSSOP-16
Category ADC/DAC/Data Conversion
Pins 16

CAD (KiCad official)

  • Symbol: AK4432VT
  • Footprint: Package_SO:TSSOP-16_4.4x5mm_P0.65mm
  • 3D model: TSSOP-16 (KiCad packages3D, STEP)
  • 3D model files: ak4432vt-etched.step / ak4432vt-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); ak4432vt.step / ak4432vt.glb are the bare package body.

Provenance

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

  • Datasheet: Asahi Kasei Microdevices datasheet (46 pp, sha256 cc7da87f07c5c455, 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