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AK7830
提升DCDC+立体声 D类8Ω扬声器放大器
Features
  • Stereo Class D Amplifier.
  • Boost DCDC form Li-ion 1cel Battery(3.0-4.5V) to Class D Amp Driver(Typ 5V)
  • Pre-Gain(0~20dB 2.5dBstep)
  • Driver 8omegaDynamic Speaker
  • SINAD > 50dB
  • QFN24 4.0mm 4.0mm
  • Temperature Range:-30~85°C

    Speaker Amp Block
    · High Efficiency Class-D Amp1.2W.(0.6W/ch)
    · Output Filter Less
    · Sampling Frequency 250kHz. Boost DCDC
    Boost ON/OFF mode by BST_PD_N pin.
    Sampling Frequency 750kHz. Register
    · I2C Interface
    · Pre-Gain Value setting.
    · PD/RESET mode.

    General Descriptions
    AK7830 is Stereo Class D AMP + Boost Switching type Regulator . AK7830 drives 8ohm dynamic speaker with high power, and drive without external output Filter. AK7830 contributes to reduce external components.
    AK7830 includes Boost DCDC. Booster On/Off is set by BST_PD_N.
    Ak7830 adopt single input / dual input with changing external some equipment.
    And AK7830 includes Pre-Gain , customer can set the signal level from 0 to +20dB by 2.5dB step.(I2C I/F Register control)
    AK783 BLOCK DIAGRAM


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