component

TAS5720LRSMR

Public Made by Adom

by adom

Texas Instruments Audio Amplifiers, VQFN-32(4x4). Pinout cross-checked by two models against the datasheet, KiCad symbol/footprint/3D.

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TAS5720LRSMR

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

TAS5720LRSMR from Texas Instruments, in a VQFN-32(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 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 clock input.
5 MCLK input Device master clock input.
6 BCLK input TDM interface serial bit clock input.
7 SDIN input TDM interface serial data input.
8 SCL input I2C clock input; pull up on PCB with 2.4-kΩ resistor.
9 SDA bidirectional I2C bidirectional data line; pull up on PCB with 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 to 3.3-V supply 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 Thermal pad; connect to GND for best system performance or leave floating if not connected.

Key specifications

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

CAD (KiCad official)

  • Symbol: TAS5720LRSMR
  • Footprint: Package_DFN_QFN:QFN-32-1EP_4x4mm_P0.4mm_EP2.9x2.9mm
  • 3D model: VQFN-32(4x4) (KiCad packages3D, STEP)
  • 3D model files: tas5720lrsmr-etched.step / tas5720lrsmr-etched.glb carry the MPN laser-etched on the die in a toggleable Adom.LaserEtch group (Fusion-ready); tas5720lrsmr.step / tas5720lrsmr.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 2026-10-07, 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