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Contents

README

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TLV320ADC3101IRGER

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

TLV320ADC3101IRGER from Texas Instruments, in a VQFN-24-EP(4x4). 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 BCLK bidirectional Audio serial data bus bit clock input/output, configurable as input in slave mode or output in master mode
2 WCLK bidirectional Audio serial data bus word clock input/output, configurable as input in slave mode or output in master mode
3 DOUT output Audio serial data output supporting I2S/DSP/LJF/RJF/TDM modes with 16/20/24/32-bit word length and programmable tri-state capability
4 RESET input Active-low asynchronous reset input requiring minimum 10 ns pulse width after power supply stabilization
5 MICBIAS1 output Programmable microphone bias voltage output selectable to 2.0 V, 2.5 V, or AVDD with 4 mA maximum source current
6 IN3L(M) input Analog audio input for left ADC channel, configurable as single-ended or differential minus paired with IN2L(P)
7 IN2L(P) input Analog audio input for left ADC channel, configurable as single-ended or differential plus paired with IN3L(M)
8 IN1L(P) input Analog audio input configurable for left-channel single-ended or differential plus with IN1R(M), with input impedance 35 kΩ to 46.3 kΩ depending on configuration
9 AVSS power_in Analog ground supply reference, 0 V nominal
10 AVDD power_in Analog power supply input, 2.6 V to 3.6 V operating range with 0.1 µF and 1 µF decoupling capacitors recommended
11 IN1R(M) input Analog audio input configurable for left-channel single-ended or differential minus with IN1L(P), or right-channel operation
12 IN2R(P) input Analog audio input for right ADC channel, configurable as single-ended or differential plus paired with IN3R(M)
13 IN3R(M) input Analog audio input for right ADC channel, configurable as single-ended or differential minus paired with IN2R(P)
14 MICBIAS2 output Programmable microphone bias voltage output selectable to 2.0 V, 2.5 V, or AVDD with 4 mA maximum source current
15 I2C_ADR0 input I2C slave address configuration pin defining bit 0 of 7-bit address, tied high or low at board design time
16 I2C_ADR1 input I2C slave address configuration pin defining bit 1 of 7-bit address, tied high or low at board design time
17 SCL bidirectional I2C serial clock open-drain input/output supporting standard mode (100 kHz) and fast mode (400 kHz) with external pull-up resistor required
18 SDA bidirectional I2C serial data open-drain input/output supporting standard mode (100 kHz) and fast mode (400 kHz) with external pull-up resistor required
19 DMDIN/GPIO1 bidirectional Digital microphone data input or programmable general-purpose input/output with multifunction capability for secondary audio interface or clock distribution
20 DMCLK/GPIO2 bidirectional Digital microphone clock or programmable general-purpose input/output with multifunction capability for secondary audio interface or PLL clock input
21 IOVDD power_in Digital I/O power supply input, 1.1 V to 3.6 V operating range with 0.1 µF decoupling capacitor recommended
22 DVDD power_in Digital core power supply input, 1.65 V to 1.95 V operating range with 0.1 µF and 1 µF decoupling capacitors recommended
23 DVSS power_in Digital ground supply reference, 0 V nominal, connected to thermal pad
24 MCLK input Master clock input for ADC and internal clock generation, 512 kHz to 50 MHz operating range supporting fixed clock divider or PLL multiplication
25 EP passive Exposed pad (from the footprint; not named in the datasheet pin table).

Key specifications

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

CAD (KiCad official)

  • Symbol: TLV320ADC3101IRGER
  • Footprint: Package_DFN_QFN:QFN-24-1EP_4x4mm_P0.5mm_EP2.7x2.7mm
  • 3D model: VQFN-24-EP(4x4) (KiCad packages3D, STEP)
  • 3D model files: tlv320adc3101irger-etched.step / tlv320adc3101irger-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tlv320adc3101irger.step / tlv320adc3101irger.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (96 pp, sha256 0ffb85b5833b851e, retrieved 2026-09-21, tier: lcsc)
  • Extractor: parts-factory 2.0.0 / extract_pins 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-4-6 (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