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    A21SP16J

    3 W filter-free class-D audio power amplifier

    Parameters
    Supply Voltage Min Volt2.4
    Supply Voltage Max Volt5.5
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack3
    GradeIndustrial
    Package NameCSP P 0.5 mm
    Description

    The A21SP16 is a differential class-D BTL power amplifier. It is able to drive up to 2.3 W into a 4 Ω load and 1.4 W into a 8 Ω load at 5 V. It achieves outstanding efficiency (88% typ.) compared to classical Class-AB audio amps.The gain of the device can be controlled via two external...
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    Key features
    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)
    In stock
    Quantity $ per unit Savings
    1-9$0.900%
    10-99$0.8110%
    100-250$0.6330%
    250 + Contact sales
    $0.90
    $0.90
    Parameters
    Supply Voltage Min Volt2.4
    Supply Voltage Max Volt5.5
    ECCN USEAR99
    ECCN EUNEC
    Packing TypeTape And Reel
    RoHs compliantEcopack3
    GradeIndustrial
    Package NameCSP P 0.5 mm
    Description

    The A21SP16 is a differential class-D BTL power amplifier. It is able to drive up to 2.3 W into a 4 Ω load and 1.4 W into a 8 Ω load at 5 V. It achieves outstanding efficiency (88% typ.) compared to classical Class-AB audio amps.The gain of the device can be controlled via two external...
    Read More

    Key features
    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)