Audio Power Amplifier family

A8710 2.5W Mono Class-D
Key Features
• Efficiency With an 8Ω Speaker
    88% at 400mW
    80% at 100mW
    2.8-mA Quiescent Current
    0.5-μA Shutdown Current
• 3 External Components needed only
    No need LC Output Filter
    Self-Generated 250kHz Clock
    No need the Capacitor and Resistor
    High PSRR (-75 dB) performance to save the power
    Wide Supply Voltage (2.5V to 5V)
    Good CMRR performance
    No need extra 2 input coupling caps
    Voltage Regulator
    Fully Differential Design to reduce the noise form RF
    Maximum Battery life and minimum heat problem
• Wafer Chip Scale Packaging (WCSP)
• bP free for the WCSP package
• 2.5W high efficiency filter-free Class-D AMP

Applications
• Mobile phone and PDAs
• Personal Navigation Devices
• General Portable Audio Devices

Contact info@ascendvisualsys.com for detail product specification

A8712 2.1W Stereo Class-D
Key Features
• Output Power By Package:
     - SSOP:
        -2.1W/Ch Into 4Ω at 5V
        -1.4W/Ch Into 8Ω at 5V
        -720mW/Ch Into 8Ω at 3.6V
     - WCSP:
        -1.2W/Ch Into 4Ω at 5V
        -1.3W/Ch Into 8Ω at 5V
        -720mW/Ch Into 8Ω at 3.6V
• Less External Components REquired
• Wide Power Range:2.5V to 5.5V
• Independent Shutdown Control for Each Channel
• Internal Pulldown Resistor On Shutdown
• High PSRR:77dB at 217Hz
• Low Supply Current
• Low Shutdown Current
• Short-Circuit and Thermal Protection
• Packages
    - 16 pin WCSP
    - 16 pin SSOP

Applications
• Wireless or Cellular Handsets and PDAs
• Portable DVD Player
• Notebook PC
• Portable Radio
• Portable Gaming
• USB Speakers

Contact info@ascendvisualsys.com for detail product specification