FDA903Q - 1 x 45 W class D digital input automotive power amplifier with load current monitoring, wi

所有功能

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• AEC-Q100 qualified
• Integrated 108 dB D/A conversion
• I²S and TDM digital input (4/8/16CH TDM)
• Input sampling frequency: 44.1 kHz, 48 kHz, 96 kHz, 192 kHz
• Full I²C bus driving (3.3/1.8 V)
• CISPR 25 - Class V (Fourth edition)
• Very low quiescent current
• Output lowpass filter included in the feedback allowing outstanding audio performances
• Wide operating supply range from 3.3 to 18 V, suitable for car radio, telematICs and e-call
• MOSFET power outputs allowing high output power capability
  • 1 x 25 W /4 Ω @ 14.4 V, 1 kHz THD = 1%
  • 1 x 31 W /4 Ω @ 14.4 V, 1 kHz THD = 10%

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• 2 Ω loads driving
• Amplitude limiter function (configurable through I²C)
• I²C bus diagnostics:
  • Short to V_CC/GND
  • Short load and open load detection (also in play mode)
  • Four thermal warnings
• DC offset detector (also in play) and 'hot spot' detection
• Clipping detector
• Integrated thermal protection
• Legacy mode ('no I²C' mode), 4 configurable settings
• Short circuit and ESD integrated protections
• Package: VFQFPN48 exposed pad down