Moteur de recherche de fiches techniques de composants électroniques |
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ADV7842 Fiches technique(PDF) 8 Page - Analog Devices |
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ADV7842 Fiches technique(HTML) 8 Page - Analog Devices |
8 / 28 page ADV7842 Rev. B | Page 8 of 28 ANALOG SPECIFICATIONS Table 3. Parameter Test Conditions/Comments Min Typ Max Unit CLAMP CIRCUITRY1 Input Impedance Clamps switched off 10 MΩ Analog (AIN1 − AIN12) ADC Midscale (CML) 0.91 V ADC Full-Scale Level CML + 0.55 V ADC Zero-Scale Level CML − 0.55 V ADC Dynamic Range 1.1 V Clamp Level (When Locked) Component input, Y signal CML − 0.12 V Component input, Pr signal CML V Component input, Pb signal CML V PC RGB input (R, G, B signals) CML − 0.12 V CVBS input CML − 0.205 V SCART RGB input (R, G, B signals) CML − 0.205 V S-Video input (Y Signal) CML − 0.205 V S-Video input (C Signal) CML V Large Clamp Source Current SDP only 0.3 mA Large Clamp Sink Current SDP only 0.4 mA Fine Clamp Source Current SDP only 9 μA Fine Clamp Sink Current SDP only 8 μA 1 Specified for external clamp capacitor of 100 nF. VIDEO SPECIFICATIONS Table 4. Parameter Symbol Test Conditions/Comments Min Typ Max Unit NONLINEAR SPECIFICATIONS Differential Phase DP CVBS input (modulated five-step) 0.6 Degrees Differential Gain DG CVBS input (modulated five-step) 0.8 % Luma Nonlinearity LNL CVBS input (modulated five-step) 0.9 % NOISE SPECIFICATIONS Measured at 27 MHz LLC SNR Unweighted Luma ramp 63 dB SNR Unweighted Luma flat field 64 dB Analog Front-End Crosstalk 60 dB LOCK TIME SPECIFICATIONS (SDP) Horizontal Lock Range ±5 % Vertical Lock Range 40 70 Hz Subcarrier Lock Range fSC ±0.8 kHz Color Lock-In Time 60 Lines Sync Depth Range1 20 200 % Color Burst Range 1 200 % Vertical Lock Time 300 ms Horizontal Lock Time 100 Lines CHROMA SPECIFICATIONS (SDP) Chroma Amplitude Error 0.9 % Chroma Phase Error 0.3 Degrees Chroma Luma Intermodulation 0.3 % 1 Nominal synchronization depth is 300 mV at 100% of the synchronization depth range. |
Numéro de pièce similaire - ADV7842 |
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Description similaire - ADV7842 |
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