A21SP16J Active
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Name: A21SP16J
Brand: STMicroelectronics
SKU: A21SP16J
Price: 0.62 USD
Availability: InStock

3 W filter-free class-D audio power amplifier

In stock:

$0.62

Key features
Operating from V_CC= 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)

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