WONDOM AA-AB32261 - 2x150mW amplifier class AB for headphones - LM4881
WONDOM AA-AB32261 - 2x150mW amplifier class AB for headphones - LM4881
WONDOM AA-AB32261 - 2x150mW amplifier class AB for headphones - LM4881
    WONDOM AA-AB32261 - 2x150mW amplifier class AB for headphones - LM4881
    WONDOM AA-AB32261 - 2x150mW amplifier class AB for headphones - LM4881
    WONDOM AA-AB32261 - 2x150mW amplifier class AB for headphones - LM4881

    WONDOM AA-AB32261 - 2x150mW amplifier class AB for headphones - LM4881

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    WONDOM AA-AB32261 - 2x150mW amplifier class AB for headphones - LM4881

    Step up the output of your smartphone to drive high impedance headphones with this Class AB headphone amplifier board. The LM4881 IC is used to provide up to 15.7 dB of high quality gain to power even the most power hungry headphones.

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    WONDOM AA-AB32261 - 2x150mW amplifier class AB for headphones - LM4881

    Step up the output of your smartphone to drive high impedance headphones with this Class AB headphone amplifier board. The LM4881 IC is used to provide up to 15.7 dB of high quality gain to power even the most power hungry headphones.


    Dettaglio di connessione amplificatore in classe D

    Sure Electronics AA-AB32261 Stereo 2 x 150mW Class AB LM4881 Headphone Amplifier Board

    This compact, self-contained headphone amplifier board is built around the Texas Instruments designed LM4881 Boomer® dual headphone amplifier IC. The LM4881 features high quality, Class AB output (up to 15.7 dB of gain) with minimal components and is able to operate with a wide array of power supplies from 8 to 24 VDC without the need for a heat sink.

    Additional to its use as a headphone amplifier, this amplifier board may also be used as a preamplifier or a small loudspeaker power amplifier, with output of up 150 mW per channel at 8 ohms. An exceptionally low total harmonic distortion and noise rating of 0.1% @ 150 mW into an 8 ohm load ensures clean output with lower impedance loads. Distortion and noise are even lower for high impedance headphone loads; 0.02% @ 75 mW into a 32 ohm load.

    Locations for the addition of screw-down wire terminals are provided for signal inputs and power outputs. A two-conductor screw-down terminal is included for power supply connection. See related items for two-conductor screw terminals. Gain settings are provided for each channel, as-is stereo 3.5 mm input and output jacks, as well as a 2.1 x 5.5 mm DC power jack.

    Features and Specifications:
    • Input power requirements: 8 to 24 VDC, 500 mA (minimum recommended current capacity)
    • Powre output: 150 mW @ 8 ohms (0.1% THD+N), 120 mW @ 16 ohms (0.025% THD+N), 75 mW @ 32 ohms (0.02% THD+N)
    • Frequency response: 20 to 20,000 Hz (±3 dB)
    • Gain settings: 9.6 dB (low), 15.7 dB (high)
    • Input impedance: 1.7k ohm (with gain set to high), 3.3k ohm (with gain set to low)
    • Thermal shutdown protection circuitry built-in
    • Dimensions: 3" L x 2" W x 5/8" H 

    Highlights
    • High quality Class AB output that uses the LM4881 Boomer IC
    • Up to 150 mW of power per channel (15.7 dB of gain)
    • Able to drive 8 ohm speakers
    • Operates on 8 to 24 VDC
    AA-AB32261
    5 Items

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