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TLV320ADC3140IRTWR

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Texas Instruments ADCs/DACs - Special Purpose, WQFN-24(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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Contents

README

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TLV320ADC3140IRTWR

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

TLV320ADC3140IRTWR from Texas Instruments, in a WQFN-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 AVDD power_in Analog power supply, 1.8 V or 3.3 V nominal (recommended 3.0-3.6 V for 3.3-V operation or 1.7-1.9 V for 1.8-V operation).
2 AREG power_out Analog on-chip regulator output (1.8 V nominal) for the analog supply, or external 1.8 V analog power input when the internal regulator is shut down.
3 VREF power_in Analog reference voltage filter output; requires a minimum 1-µF capacitor to AVSS.
4 AVSS power_in Analog ground; short directly to the board ground plane.
5 MICBIAS power_out Microphone bias output.
6 IN1P_GPI1 input Analog input 1P or general-purpose digital input 1 (e.g. digital microphone data, PLL input clock source); digital input limited to AVDD + 0.3 V.
7 IN1M_GPO1 bidirectional Analog input 1M or general-purpose digital output 1 (e.g. digital microphone clock, interrupt).
8 IN2P_GPI2 input Analog input 2P or general-purpose digital input 2 (e.g. digital microphone data, PLL input clock source); digital input limited to AVDD + 0.3 V.
9 IN2M_GPO2 bidirectional Analog input 2M or general-purpose digital output 2 (e.g. digital microphone clock, interrupt).
10 IN3P_GPI3 input Analog input 3P or general-purpose digital input 3 (e.g. digital microphone data, PLL input clock source); digital input limited to AVDD + 0.3 V.
11 IN3M_GPO3 bidirectional Analog input 3M or general-purpose digital output 3 (e.g. digital microphone clock, interrupt).
12 IN4P_GPI4 input Analog input 4P or general-purpose digital input 4 (e.g. digital microphone data, PLL input clock source); digital input limited to AVDD + 0.3 V.
13 IN4M_GPO4 bidirectional Analog input 4M or general-purpose digital output 4 (e.g. digital microphone clock, interrupt).
14 SHDNZ input Device hardware shutdown and reset, active low.
15 ADDR1_MISO bidirectional I2C slave address A1 pin in I2C operation; SPI slave output pin in SPI operation.
16 ADDR0_SCLK input I2C slave address A0 pin in I2C operation; SPI serial bit clock in SPI operation.
17 SCL_MOSI input I2C control bus clock pin in I2C operation; SPI slave input pin in SPI operation.
18 SDA_SSZ bidirectional I2C control bus data pin in I2C operation; SPI slave-select pin in SPI operation.
19 IOVDD power_in Digital I/O power supply, 1.8 V or 3.3 V nominal (3.0-3.6 V or 1.65-1.95 V recommended).
20 GPIO1 bidirectional General-purpose digital input/output 1 (e.g. digital microphone clock or data, PLL input clock source, interrupt), referenced to IOVDD.
21 SDOUT output Audio serial data interface bus output.
22 BCLK bidirectional Audio serial data interface bus bit clock.
23 FSYNC bidirectional Audio serial data interface bus frame synchronization signal.
24 DREG power_out Digital regulator output voltage for the digital core supply, 1.5 V nominal.
25 VSS power_in Exposed thermal pad shorted to internal device ground; short directly to the board ground plane.

Key specifications

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

CAD (KiCad official)

  • Symbol: TLV320ADC3140IRTWR
  • Footprint: Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.6x2.6mm
  • 3D model: WQFN-24(4x4) (KiCad packages3D, STEP)
  • 3D model files: tlv320adc3140irtwr-etched.step / tlv320adc3140irtwr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tlv320adc3140irtwr.step / tlv320adc3140irtwr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (120 pp, sha256 6c2535a00dba3039, retrieved 2026-10-06, 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