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DIGITAL AUDIO DACs
AK4342
3V 96kHz 24-Bit 2ch DAC with HP-Amp & 2Vrms Output

AK4342
  1. Multi-bit 24-bit DAC
  2. Sampling Rate: 8kHz to 96kHz
  3. 8 times Oversampling FIR interpolator
    -Passband: 20kHz
    -Passband Ripple: ±0.02dB
    -Stopband Attenuation: 54dB
  4. Audio I/F Format: MSB First, 2’s Complement
    -I2S, 24bit MSB justified, 24bit/20bit/16bit LSB justified
  5. Master Clock:
    -Normal Speed Mode: 256fs/384fs/512fs/768fs
    -Double Speed Mode: 128fs/192fs/256fs/384fs
    -Half Speed Mode: 512fs/768fs
  6. Digital De-emphasis Filter: 32kHz, 44.1kHz and 48kHz
  7. Analog volume control:
    -Headphone: +6dB to – 48dB, Variable Step Size
    -Lineout: 0dB to – 31dB, 1dB step
  8. Digital Linear Attenuator
  9. Digital Soft Mute
  10. Analog Mixing Circuit
  11. microP Interface: 3-wire/I2C(400kHz mode)
  12. Pop Noise Free at Power-ON/OFF and Mute
  13. DAC Performance (Line-Out)
    -THD+N: -88dB
    -Dynamic Range: 100dB
    -Output Level: 2Vrms
  14. DAC Performance (Aux-Out)
    -THD+N: -87dB
    -Dynamic Range: 95dB
  15. Headphone Amplifier (Cap-less)
    -Output Power:62.5mW2ch @16omega, 3.3V
    -THD+N: -60dB @ 25mW
    -S/N: 95dB
  16. Power Supply:
    -DAC & Output Buffers: 2.7V ~ 3.6V
    -Digital Interface: 1.6V ~ 3.6V
  17. Power Supply Current: 30mA (Headphone amp off)
  18. Ta: -30 ~ 85°C
  19. Package: 32pin QFN
PDF
Download		 PDF Data Sheets
Rev. MS0506-E-02 2006/07
PDF : 564KB / 43pages		 PDF Evaluation Board Manual
Rev. KM081502 2006/05
PDF : 1245KB / 52pages
AK4342 BLOCK DIAGRAM
AK4342 BLOCK DIAGRAM
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