TAS6424LQ1EVM

TAS6424LQ1 2.1MHz 4Ch Digital Input Class-D Audio Amplifier w/I2C Diagnostics Evaluation Module

TAS6424LQ1EVM

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Overview

The TAS6424L EVM showcases the first true 2.1Mhz 4-Ch Digital Input Class-D Audio Solution for automotive infotainment in the market.  TAS6424L’s 2.1-Mhz switching frequency allows customers to significantly reduce inductor size and cost and optimize total system cost. TAS6424L delivers 27W (10% THD+N) per channel into 4-Ω with a 14.4-V supply and offers wide supply voltage capabilities, from 4.5-V to 26-V, makes it ideal for head unit and external amplifier systems while delivering top-of-the-line performance during start-stop low voltage transient events. TAS6424L integrates I2C diagnostics and protection to match and surpass the highest standards for automotive quality and reliability. TAS6424L CISPR25-L5 compliant EMC performance simplifies system design, lowers development cost and accelerates time-to-market delivery.  TAS6424L EVM features: Optical SPDIF, USB and PSIA (external I2S) input options and On-board USB-I2C controller for GUI driven EVM evaluation.

Features
  • 2.1-Mhz Switching Frequency
  • 4-Ch 27-W/Ch at 10% THD+N into 4-Ω with a 14.4-V supply
  • I2C Diagnostics and Protection. CISPR25, class 5 Radiated/Conducted Emission compliant
  • Optical SPDIF, USB and PSIA (external I2S) input options
Linear & low-dropout (LDO) regulators
TL760M33-Q1 Automotive 500-mA, 26-V, high-accuracy, low-dropout voltage regulator

 

SPDIF transceivers
DIR9001 96kHz Digital Audio Receiver

 

Speaker amps
TAS6424-Q1 Automotive, 75-W, 2-MHz, 4-ch 4.5- to 26.4-V digital input Class-D audio amplifier w/ load dump TAS6424L-Q1 Automotive, 27-W, 2-MHz, 4-ch 4.5- to 18-V digital input Class-D audio amplifier w/ load dump

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Evaluation board

TAS6424LQ1EVM – TAS6424L 2.1MHz 4Ch Digital Input Class-D Audio Amp w/I2C Diagnostics & Protection Evaluation Module

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TI's Standard Terms and Conditions for Evaluation Items apply.

Technical documentation

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Type Title Date
Certificate TAS6424LQ1EVM EU Declaration of Conformity (DoC) Jan. 02, 2019
User guide TAS6424L-Q1 EVM User's Guide (Rev. A) Oct. 20, 2017
Technical article How switching above the AM band eases automotive Class-D amplifier EMC designs Dec. 05, 2016

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