TAS6422Q1 2.1MHz 2Ch Digital Input Class-D Audio Amplifier w/I2C Diagnostics Evaluation Module


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The TAS6422Q1EVM showcases the first true 2.1Mhz 2-Ch Digital Input Class-D Audio Solution for Automotive Infotainment in the market.  TAS6422’s 2.1-Mhz switching frequency allows customers to significantly reduce inductor size and cost and optimize total system cost.  TAS6422 delivers 25W (10% THD+N) per channel into 4-Ω with a 14.4-V supply.  TAS6422’s  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.  TAS6422 integrates I2C diagnostics and protection to match and surpass the highest standards for automotive quality and reliability.  TAS6422 CISPR25-L5 compliant EMC performance simplifies system design, lowers development cost and accelerates time-to-market delivery. 

TAS6422 EVM features: Optical SPDIF, USB and PSIA (external I2S) input options and On-board USB-I2C controller for GUI driven EVM evaluation.

  • 2.1-Mhz switching frequency
  • 2-Ch 25-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

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TAS6422-Q1 2.1-MHz 4-Ch Digital Input Class-D Audio Amp w/I2C Diagnostics and Protection EVM



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

Technical Documents
User guides (1)
Title Abstract Type Size (KB) Date Views
PDF 7210 20 Oct 2017 275

TI Devices (10)

Part Number Name Product Family
DIR9001  96kHz Digital Audio Receiver  Audio Interface 
SN74LVC2G157  Single 2-Line to 1-Line Data Selector/Multiplexer  Logic 
TAS1020B  Stereo USB Audio Interface  Unknown 
TAS5414C-Q1  28-W Automotive Analog Single-Ended Input 4-Channel Class-D Amp with Load Dump Protection  Audio Amplifiers 
TAS5424C-Q1  4-Channel Automotive Digital Amplifiers with differential input delivering 28W/Ch into 4Ohm  Audio Amplifiers 
TAS6422-Q1  75W 2-MHz Digital Input 2-Channel Automotive Class-D Audio Amplifier  Audio Amplifiers 
TAS6424-Q1  75-W 2.1-MHz Digital Input 4-Channel Automotive Class-D Audio Amplifier  Audio Amplifiers 
TAS6424L-Q1  27-W, 2-MHz Digital Input 4-Channel Automotive Class-D Audio Amplifier  Audio Amplifiers 
TL760M33-Q1  Automotive Catalog Single Output LDO, 500mA, Fixed(3.3V), Load Dump Protection  Linear Regulator (LDO) 
TPS22965-Q1  5.5V, 4A, 16mΩ Automotive High-Side Load Switch With Adjustable Rise Time & Quick Output Discharge  Integrated Load Switches 

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