4 x 45 W differential power amplifier with full I2C diagnostics, high efficiency and low voltage operation

Quantity $ per Unit Savings
1 - 500$11.100%
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Parameter NameParameter Value
Supply Voltage Min Volt6.0
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius105.0
Packing TypeTape And Reel
ROHS Compliance GradeEcopack2
Package NamePowerSO 36
Key features
  • Multipower BCD technology
  • MOSFET output power stage
  • DMOS power output
  • Differential input
  • Class SB high efficiency
  • High output power capability: 4x25 W/4 Ω @ 14.4 V, 1 kHz, 10% THD, 4 x 45 W max power
  • Full I2C bus driving:
    • Standby
    • Independent front/rear soft play/mute
    • Selectable gain 26 dB /16 dB (for low noise line output function)
    • High efficiency enable/disable
    • I2C bus digital diagnostics (including DC bus AC load detection)
  • Fault detection through integrated diagnostics
  • DC offset detection
  • Four independent short circuit protection
  • Clipping detector pin with selectable threshold (2 %/10 %)
  • Standby/mute pin
  • Linear thermal shutdown with multiple thermal warning
  • ESD protection
  • Very robust against any kind of misconnection
  • Improved SVR suppression during battery transients
  • Capable to play down to 6 V (e.g. “Start-stop”)