TAS5634 300W Stereo/600W Mono HD Digital Input, 58V Class-D Amplifier Power Stage Evaluation Module


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The TAS5634EVM evaluation module demonstrates the TAS5634DDV integrated circuit from Texas Instruments. The TAS5634DDV is a high-power class-D with high-efficiency class-D technology. This EVM supports two BTL (stereo 2.0) output channels, one PBTL (mono 0.1) output channel, one BTL plus two SE (2.1) output channels, or four SE (4.0) output channels configurations. The EVM contains a TAS5558 modulator which converts I2S audio input to the PWM signal which the TAS5634 uses as input. A built-in MSP430 microcontroller and DIX4192 audio transceiver handle translation from USB-audio or either SPDIF input and allows the TAS5558 modulator to accept input from various digital sources. The Analog Plug-in Board connector also allows digital audio plug-in boards to be used with the TAS5634EVM. The TAS5634EVM is a complete digital input solution with an output power of up to 2×300-W stereo, or 1×600-W mono.

  • High-power audio evaluation module
  • Self-contained protection system (short circuit, clip, and thermal)
  • SPDIF (Optical or COAX), USB-audio, or analog plug-in board I2S digital input BTL, PBTL, and SE output configuration support
  • Single-supply voltage range 15–58 V
  • Double-sided, plated-through, 2-oz. Cu, 4-layer PCB layout




  • TAS5634EVM

Speaker amps
TAS5634 300-W stereo, 600-W mono, 12- to 62-V supply, PWM input Class-D audio amplifier


Linear & low-dropout (LDO) regulators
TLV1117 800-mA, 15-V, linear voltage regulator


MSP430 microcontrollers
MSP430G2955 16 MHz MCU with 56KB Flash, 2KB SRAM, 10-bit ADC, comparator, UART/SPI/I2C, timer


SPDIF transceivers
DIX4192 Digital Audio Interface Transceiver

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Evaluation board

TAS5634EVM — TAS5634 Evaluation Module

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Design files

SLAR143.PDF (590 KB)
SLAR144.PDF (105 KB)
SLAR145.PDF (1471 KB)

Technical documentation

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Type Title Date
* EVM User's guide TAS5634 Evaluation Module User's Guide Oct. 05, 2017
Certificate TAS5634EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
Data sheet TAS5634 300-W Stereo / 600-W Mono HD Digital Input, 58V Class-D Amplifier Power Stage datasheet PDF | HTML Jan. 03, 2013

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