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ADV7403 Datasheet(PDF) 13 Page - Analog Devices |
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ADV7403 Datasheet(HTML) 13 Page - Analog Devices |
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13 / 24 page  ADV7403 Rev. SpA | Page 13 of 24 DETAILED FUNCTIONALITY ANALOG FRONT END • Four 140 MHz (ADV7403KSTZ-140), Noise Shaped Video, 12-bit ADCs enable true 10-bit video decoder • 12 analog input channel mux enables multisource connection without the requirement of an external mux • Four current and voltage clamp control loops ensure any dc offsets are removed from the video signal • SCART functionality and SD RGB overlay on CVBS controlled by fast blank input • Four antialias filters to remove out of band noise on standard definition input video signals. SDP PIXEL DATA OUTPUT MODES • 8-/10-bit ITU-R BT.656 4:2:2 YCrCb with embedded time codes and/or HS, VS, and FIELD • 16-/20-bit YCrCb with embedded time codes and/or HS, VS, and FIELD • 24-/30-bit YCrCb with embedded time codes and/or HS, VS, and FIELD CP PIXEL DATA OUTPUT MODES • Single data rate (SDR) 8-/10-bit 4:2:2 YCrCb for 525i, 625i • Single data rate (SDR) 16-/20-bit 4:2:2 YCrCb for all standards • Single data rate (SDR) 24-/30-bit 4:4:4 YCrCb/RGB for all standards • Double data rate (DDR) 8-/10-bit 4:2:2 YCrCb for all standards • Double data rate (DDR) 12-bit 4:4:4 YCrCb/RGB for all standards COMPOSITE AND S-VIDEO PROCESSING • Support for NTSC (J, M, 4.43), PAL (B, D, I, G, H, M, N, 60) and SECAM B/D/G/K/L standards in the form of CVBS and S-video • Superadaptive 2D 5-line comb filters for NTSC and PAL give superior chrominance and luminance separation for composite video • Full automatic detection and autoswitching of all worldwide standards (PAL/NTSC/SECAM) • Automatic gain control with white peak mode ensures the video is always processed without loss of the video processing range • Adaptive digital line length tracking (ADLLT™) • Proprietary architecture for locking to weak, noisy, and unstable sources from VCRs and tuners • IF filter block compensates for high frequency luma attenuation due to tuner SAW filter • Chroma transient improvement (CTI) • Luminance digital noise reduction (DNR) • Color controls include hue, brightness, saturation, contrast, and Cr and Cb offset controls • Certified Macrovision copy protection detection on composite and S-video for all worldwide formats (PAL/NTSC/SECAM) • 4× oversampling (54 MHz) for CVBS, S-video, and YUV modes • Line-locked clock output (LLC) • Letterbox detection supported • Free-run output mode provides stable timing when no video input is present • Vertical blanking interval data processor • TeleText • Video Programming System (VPS) • Vertical Interval Time Codes (VITC) • Closed captioning (CC) and extended data service (EDS) • Wide screen signaling (WSS) • Copy generation management system (CGMS) • Gemstar™ 1×/2× electronic program guide compatible • Clocked from a single 28.63636 MHz crystal • Subcarrier frequency lock (SFL) output for downstream video encoder • Differential gain typically 0.4% • Differential phase typically 0.4° |
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