a FEATURES Low Cost, Integrated Solution +5 V Operation Accepts FSC Clock or Crystal, or 4FSC Clock Composite Video and Separate Y/C (S-Video) Outputs Minimal External Components: No External Filters or Delay Lines Required Onboard DC Restoration Accepts Either HSYNC & VSYNC or CSYNC Phase Lock to External Subcarrier Drives 75 Ω Reverse-Terminated Loads Logic Selectable NTSC or PAL Encoding Modes Compact 16-Pin SOIC APPLICATIONS RGB to NTSC or PAL Encoding RGB to NTSC/PAL Encoder AD722 The AD722 accepts either FSC or 4FSC clock.
When a clock is not available, a low cost parallel-resonant crystal (3.
58 MHz (NTSC) or 4.
43 MHz (PAL)) and the AD722’s on-chip oscillator generate the necessary su...

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