DRV632EVM Part Information

Details for DRV632EVM by Texas Instruments

Education Maker & Hobbyist Electronics > Development Boards & Evaluation Kits > Audio / Video Development Kits

Part Description

The DRV632 is a 2-VRMS pop-free stereo line driver designed to allow the removal of the output dcblocking capacitors for reduced component count and cost. The device is ideal for single-supply electronics where size and cost are critical design parameters. Designed using TI’s patented DirectPath™ technology, The DRV632 is capable of driving 2 VRMS into a 10-kΩ load with 3.3-V supply voltage. The device has differential inputs and uses external gainsetting resistors to support a gain range of ±1 V/V to ±10 V/V, and gain can be configured individually for each channel. Line outputs have ±8-kV IEC ESD protection, requiring just a simple resistor-capacitor ESD protection circuit. The DRV632 has built-in active-mute control for pop-free audio on/off control. The DRV632 has an external undervoltage detector that mutes the output when the power supply is removed, ensuring a pop-free shutdown. Using the DRV632 in audio products can reduce component count considerably compared to traditional methods of generating a 2-VRMS output. The DRV632 does not require a power supply greater than 3.3 V to generate its 5.6-Vpp output, nor does it require a split-rail power supply. The DRV632 integrates its own charge pump to generate a negative supply rail that provides a clean, pop-free ground-biased 2-VRMS output. The DRV632 is available in a 14-pin TSSOP.

Part Downloads

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Part Features

  • 600-u2126 Output Load Compliant
  • Active Mute Control for Pop-Free Audio On/Off Control
  • Adjustable Gain by External Gain-Setting Resistors
  • Click- and Pop-Reduction Circuitry
  • Differential Input and Single-Ended Output
  • External Undervoltage Mute
  • Ground-Referenced Outputs Eliminate DC- Blocking Capacitors u2013 Reduce Board Area u2013 Reduce Component Cost u2013 Improve THD+N Performance u2013 No Degradation of Low-Frequency Response Due to Output Capacitors
  • High SNR, >90 dB
  • Low DC Offset, <1 mV
  • Low THD+N < 0.01% at 2 Vrms Into 10 ku2126
  • Short-Circuit Protection
  • Space-Saving TSSOP Package
  • Stereo DirectPathu2122 Audio Line Driver u2013 2 Vrms Into 10 ku2126 With 3.3-V Supply

Part Specifications

Silicon Manufacturer Texas Instruments
Silicon Core Number DRV632
Kit Application Type Audio
Application Sub Type Stereo Line Driver
Kit Contents Eval Module DRV632
Product Range -
SVHC No SVHC (27-Jun-2018)
Features Two Channel Evaluation Module Single Ended or Balanced Analogue Input Mute Button
Not RoHS Compliant

Alternative Part Descriptions

  • DRV632EVM Evaluation Module | Texas Instruments

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