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Contents

README

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TAS5720MRSMR

Texas Instruments · Audio Amplifiers · VQFN-32(4x4)

TAS5720MRSMR from Texas Instruments, in a VQFN-32(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 VREF_N power_in Negative reference for analog, connect to VCOM and VREG capacitor negative pins.
2 FAULTZ output Open-drain active-low fault flag, pull up on PCB with resistor to DVDD.
3 SDZ input Active-low shutdown signal, assert low to hold device inactive.
4 LRCLK input TDM interface frame synchronization.
5 MCLK input Device master clock.
6 BCLK input TDM interface serial bit clock.
7 SDIN input TDM interface data input.
8 SCL input I2C clock input, pull up on PCB with a 2.4-kΩ resistor.
9 SDA bidirectional I2C bi-directional data, pull up on PCB with a 2.4-kΩ resistor.
10 GND power_in Ground, connect to PCB ground plane.
11 DVDD power_in Digital power supply (3.3 V), connect with external decoupling capacitor.
12 ADR1 input I2C address input, can detect short to DVDD, short to GND, 22-kΩ connection to GND, or 22-kΩ connection to DVDD.
13 ADR0 input I2C address input, can detect short to DVDD, short to GND, 22-kΩ connection to GND, or 22-kΩ connection to DVDD.
14 PVDD power_in Class-D amplifier power supply input, connect to PVDD supply and decouple externally.
15 PVDD power_in Class-D amplifier power supply input, connect to PVDD supply and decouple externally.
16 OUT_N output Class-D amplifier negative output.
17 OUT_N output Class-D amplifier negative output.
18 BST_N power_in Class-D amplifier negative bootstrap, connect to capacitor between BST_N and OUT_N.
19 PGND power_in Power ground, connect to PCB ground plane.
20 PGND power_in Power ground, connect to PCB ground plane.
21 PGND power_in Power ground, connect to PCB ground plane.
22 PGND power_in Power ground, connect to PCB ground plane.
23 BST_P power_in Class-D amplifier positive bootstrap, connect to capacitor between BST_P and OUT_P.
24 OUT_P output Class-D amplifier positive output.
25 OUT_P output Class-D amplifier positive output.
26 PVDD power_in Class-D amplifier power supply input, connect to PVDD supply and decouple externally.
27 PVDD power_in Class-D amplifier power supply input, connect to PVDD supply and decouple externally.
28 AVDD power_in Analog power supply input, connect directly to PVDD.
29 GND power_in Ground, connect to PCB ground plane.
30 GVDD power_out Class-D amplifier gate drive regulator output, connect decoupling capacitor to PCB ground plane.
31 VREG power_out Analog regulator output, connect decoupling capacitor to VREF_N pin.
32 VCOM power_out Common mode reference output, connect decoupling capacitor to VREF_N pin.
33 Thermal Pad passive Exposed thermal pad for heat dissipation, connect to GND for best system performance or leave floating.

Key specifications

Parameter Value
Manufacturer Texas Instruments
Package VQFN-32(4x4)
Category Amplifiers/Comparators
Pins 33

CAD (KiCad official)

  • Symbol: TAS5720MRSMR
  • Footprint: Package_DFN_QFN:QFN-32-1EP_4x4mm_P0.4mm_EP2.9x2.9mm
  • 3D model: VQFN-32(4x4) (KiCad packages3D, STEP)
  • 3D model files: tas5720mrsmr-etched.step / tas5720mrsmr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tas5720mrsmr.step / tas5720mrsmr.glb are the bare package body.

Provenance

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

  • Datasheet: Texas Instruments datasheet (54 pp, sha256 b73218235ddd2e94, retrieved 2026-09-23, 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 0.2, primary claude-haiku-4-5-20251001 (text), consensus claude-sonnet-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