A21SP16J

Active

3 W filter-free class-D audio power amplifier

Quantity $ per Unit Savings
1 - 9$0.721%
10 - 99$0.5918%
100 - 249$0.4833%
250 - 499$0.4538%
500$0.3847%
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In stock
$0.72
Parameter NameParameter Value
Supply Voltage Min Volt2.4
Supply Voltage Max Volt5.5
ECCN USEAR99
ECCN EUNEC
Packing TypeTape And Reel
ROHS Compliance GradeEcopack3
GradeIndustrial
Package NameCSP P 0.5 mm
Key features
  • Operating from VCC = 2.4 V to 5.5 V
  • Standby mode active low
  • Output power: 3 W into 4 Ω and 1.75 W into 8 Ω with 10% THD+N max and 5 V power supply
  • Output power: 2.3 W @ 5 V or 0.75 W @ 3 V into 4 Ω with 1% THD+N max
  • Output power: 1.4 W @ 5 V or 0.45 W @ 3 V into 8 Ω with 1% THD+N max
  • Adjustable gain via external resistors
  • Low current consumption 2 mA @ 3 V
  • Efficiency: 88% typ.
  • Signal to noise ratio: 85 dB typ.
  • PSRR: 63 dB typ. @ 217 Hz with 6 dB gain
  • PWM base frequency: 250 kHz
  • Low pop & click noise
  • Thermal shutdown protection
  • Available in flip-chip 9 x 300 μm (Pb-free)