I2C-Bus Controlled Quad Channel 45 W / 2 Ω Class-D Power Amplifier with Full Diagnostics

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Product Details


Key Features

  • High-efficiency
  • Low quiescent current
  • Operating voltage from 6 V to 24 V
  • 4 Ω or 2 Ω capable BTL channels
  • Fast-mode I²C-bus
  • I2C-bus mode with 12 I2C-bus addresses or non-I²C-bus mode operation
  • Clip detect selectable at 0.2 % or 10 % THD
  • Independent short-circuit protection for each channel
  • Advanced short-circuit protection for load, GND and supply
  • Load dump protection to 50 V
  • Thermal foldback and thermal protection
  • DC offset protection
  • Selectable AD or BD modulation
  • Advanced clocking:
    • Switchable oscillator clock source: internal for Controller mode or external for Target mode
    • Spread spectrum mode
    • Phase staggering
    • Frequency hopping
  • No ‘pop noise’ caused by DC output offset voltage
  • I²C-bus mode:
    • Load diagnostics
      • Speaker load, open load and shorted load
      • Amplifier output to ground and to supply shorts
      • Tweeter detection
    • Thermal pre-warning diagnostic level setting
    • Identification of activated protections or warnings
    • Selectable diagnostic information available using DIAG pin
  • Qualified in accordance with AEC-Q100

Part numbers include: TDF8530TH.


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