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http://www.ti.com/general/docs/suppproductinfo.tsp?distId=26&gotoUrl=https%3A%2F%2Fwww.ti.com%2Flit%2Fpdf%2Fslou541″>View Datasheet

Texas Instruments TAS6422EQ1EVM Amplifier Evaluation Module (EVM)

Texas Instruments TAS6422EQ1EVM Amplifier Evaluation Module (EVM) showcases a 2Mhz, 4-channel digital input Class-D audio solution for automotive infotainment. TAS6422E’s 2.1Mhz switching frequency allows users to reduce inductor size and optimize total system cost. TAS6422E delivers 25W (10% THD+N) per channel into 4Ω with a 14.4V supply, and the wide-supply voltage capability, 4.5V to 26V, is ideal for head units and external amplifier systems while delivering top-of-the-line performance during start-stop low voltage transient events. Texas Instruments TAS6422E includes spread spectrum technology to meet CISPR25 Class 5 EMI compliance standards and integrates I2C diagnostics and protection.

Features

  • 2.1Mhz switching frequency
  • 2-channel 25W/channel at 10% THD+N into 4Ω with a 14.4V supply
  • I2C diagnostics and protection
  • CISPR25, Class 5 radiated/conducted emission compliant
  • Optical SPDIF, USB and PSIA (external I2S) input options
  • Integrated spread spectrum technology

Required Equipment

  • TAS6422EQ1EVM evaluation module
  • USB A male to micro B male cable
  • 1-2 resistive loads or speaker loads
  • 2-4 pair of wires stripped both ends
  • 2mm slotted screwdriver
  • Optical audio source (optional)
  • Optical SPDIF cable (optional)
  • Desktop or laptop PC with Microsoft® Windows® 7 operating system

Signal Flow Block Diagram

Block Diagram - Texas Instruments TAS6422EQ1EVM Amplifier Evaluation Module (EVM)

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Texas Instruments TAS6422EQ1EVM Amplifier Evaluation Module (EVM)