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KHTEK DA1198

Overview
DA1198 is a high performance stereo digital to audio converter with on chip VCXO and programmable PLL. DA1198 is designed especially for Satellite Set Top Box application. With VCXO and PLL integrated many discrete components in STB may be replaced by DA1198 and results in a simpler and cheaper design. DA1198 accepts input data word length of 16, 20, and 24bits and supports audio sampling frequency from 16KHz to 96KHz. Via its 3-wire serial interface ports DA1198 provides a range of control features highlighted as below:
Features
Multiple Data Formats & Bit Length Selectable: High Integration:
  • 16/20/24 Bit Normal/IIS Format Selectable
  • On-Chip VCXO and Programmable PLL
  • Multiple Sampling Rates Selectable: VCXO Tuning Voltage from 0V to 3V
  • Dynamic Range: 108dB
  • PLL accepts 27MHz Master Clock
  • 3 Groups of Sampling Frequencies Selectable:
    22.05/44.1/88.2kHz, 24/48/96kHz, and 16/32/64kHz
  • Digital Interpolation Filter
    High Performance: High-Resolution Delta Sigma DAC
  • THD+N: -89 dB
  • Analog Low Pass Filter
  • Dynamic Range: 94dB
  • Output Amplifier
  • S/N Ratio: 96dB
  • On-Chip Digital Filters For:
  • 24 Pin SSOP Package Attenuation
      De-emphasis
      Soft Mute
      Output Mode Controls
      Zero Detection On/Off Control
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