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STMicroelectronics TDA7803A Quad Bridge Amplifier

STMicroelectronics TDA7803A Quad Bridge Amplifier is a highly-integrated Automotive Power Amplifier with built-in diagnostics features. The TDA7803A device combines a full D/A converter, digital input for direct connection to I2S (or TDM), and powerful MOSFET output stages into a single chip.

Features

  • AEC-Q100 Qualified
  • 24-bit digital processing
  • 115dB dynamic range (A-weighted)
  • SB-I (SB - improved) high efficiency operation
  • Parallel mode function availability
  • High output power capability:
    • 4x 27W 4Ω@ 14.4V, 1kHz, THD = 10%
    • 4x 47W 2 Ω @ 14.4V, 1kHz, THD = 10%
  • Flexible mode control:
    • Full I2C bus driving (1.8V/3.3V) with four addresses selectable (only for PowerSO36 package option)
    • Independent front/rear play/mute
    • Selectable digital gains for very-low noise line-out function
    • Digital diagnostic with DC and AC load detections
  • Start-Stop compatibility down to 6V
  • 44.1kHz, 48kHz, 96kHz, 192kHz sample rates
  • Flexible serial data port (1.8V / 3.3V):
    • I2S standard, TDM 4-Ch, TDM 8-Ch, TDM 16-ch (8+8-ch)
  • Offset detector
  • Independent front/rear clipping detector
  • Programmable diagnostic pin
  • CMOS compatible enable pin
  • Thermal protection
  • Pop-free in mute-to-play and play-to-mute transitions

Evaluation Tools

STMicroelectronics EVAL-TDA7803A Evaluation Board

Evaluation board designed to demonstrate the TDA7803A Automotive Quad Power Amplifier.

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Published: 2018-05-17 | Updated: 2023-02-07