技术特性

• I²C bus control
• Interrupt signal output
• Video section:
  • Three CVBS inputs, two CVBS outputs
  • Three Y/C inputs, three Y/C outputs
  • Low-pass filters (LPF) for standard definition (1H) on six inputs plus bypass LPF (2H).
  • Gain of 6 dB on all CVBS/Y and C outputs
  • Integrated 150-Ω buffers
  • Two RGB/ two FB Inputs, one high impedance mode (HZ) RGB/FB output with 6-dB adjustable gain (from +3 dB to +9 dB)
  • Two YPrPb inputs
  • AC- or DC-coupled video outputs
  • One CVBS output (Y/C adder)
  • Two slow blanking inputs/outputs
  • Bottom clamp on all CVBS/Y and RGB inputs, average clamp on C inputs, synchronized clamp on PrPb inputs
  • Bi-directional control for VCR R/C output and for TV B output
  • AC-coupled inputs and AC- or DC-coupled inputs for video signal from encoder with internal clamp and bias
  • Video detection block in low power auto startup mode
  • Crosstalk: 50 dB minimum
  • Video muting on all outputs
• Audio section:
  • Three stereo inputs, two stereo outputs
  • One mono sound output
  • Stereo-to-mono sound capability
  • Differential or single-ended audio input
  • Selectable gain of 0, 6 or 9 dB on one stereo input
  • Full range volume control with soft control
  • Audio muting on all outputs
• Applications
  • Set-top boxes (IP, cable, satellite, terrestrial)
  • Integrated digital TV plug-in
  • Blu-ray and DVD players

功能框图