h1_key

• Analog Front End:
  • Stereo Single-Ended Input
  • Microphone Amplifier (12 dB, 20 dB)
• Analog Back End:
  • Stereo/Mono Line Output With Volume
  • Stereo/Mono Headphone Amplifier With Volume
• Analog Performance:
  • Dynamic Range: 93 dB
  • 40-mW + 40-mW Headphone Output at R_L = 16
• Power Supply Voltage
  • 1.71 V to 3.6 V for Digital I/O Section
  • 1.71 V to 3.6 V for Digital Core Section
  • 2.4 V to 3.6 V for Analog Section
  • 2.4 V to 3.6 V for Power Amplifier Section
• Low Power Dissipation:
  • 6.4 mW in Playback, 1.8 V/2.4 V, 44.1 kHz
  • 3.3 µW in Power Down
• Sampling Frequency: 5 kHz to 50 kHz
• Operation From a Single Clock Input Without PLL
• System Clock:
  • Common-Audio Clock (256 f_S/384 f_S), 12/24, 13/26, 13.5/27, 19.2/38.4, 19.68/39.36 MHz
• 2 (I²C™) or 3 (SPI) Wire Serial Control
• Programmable Function by Register Control:
  • Digital Attenuation: 0 dB to -62 dB
  • Digital Gain of DAC: 0, 6, 12, 18 dB
  • Power Up/Down Control for Each Module
  • 6-dB to -70-dB Gain for Analog Outputs
  • 0/12/20 dB for Microphone Input
  • 0-dB to -21-dB Gain for Analog Mixing
  • Three-Band Tone Control and 3D Sound
  • Analog Mixing Control
• Pop-Noise Reduction Circuit
• Short Protection Circuit
• Package: 4-mm × 4-mm QFN Package
• Operation Temperature Range: -40°C to 85°C
• APPLICATIONS
  • Portable Audio Player, Cellular Phone
  • Video Camcorder, Digital Still Camera
  • PMP/DMB/PND

I2C is a trademark of Philips Electronics.