Ultra low power 1.8V stereo audio codec with True-GND headphone driver

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Extending music playback time for battery operated applications

The DA7211 is a high definition audio codec in a 3x3mm footprint with integrated true-ground capless headphone driver suitable for a variety of low power, digital portable audio products.

Featuring a high efficiency but powerful 40mW/channel headphone amplifier the device may be operated from a single 1.8V supply to simplify interfacing to digital processors.


  • Stereo Playback/Record: 2.5mW & 3mW @ 1.8V (into stereo headphone load)
  • Audio performance@ 2.5V
    • DAC: 100dB/-85db THD
    • ADC: 95db SNR/-86dB THD
  • Sample rates up to 96kHz supported via multi-slot I2S/PCM interface
  • Stereo fully-differential microphone amplifiers with 5uV input noise and bias


  • High performance audio codec with integrated PLL
  • True-GND capless Class G 40mW headphone driver with integrated charge pump
  • Flexible clocking capability to minimise master clock circuit board routing
  • Pop & Click suppression circuitry
  • Multi mode audio routing, mixing & volume control


  • Personal Media Players
  • Portable Consumer Devices
  • Music Handsets
  • Personal Navigation Devices
36 bump WLCSP on 0.5mm ball pitch


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