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ST92196A датащи(PDF) 228 Page - STMicroelectronics |
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ST92196A датащи(HTML) 228 Page - STMicroelectronics |
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228 / 268 page ![]() 228/268 ELECTRICAL CHARACTERISTICS AC ELECTRICAL CHARACTERISTICS (Cont’d) OSD DAC CHARACTERISTICS (VDD = 5V ± 10%; TA = -10°C + 75°C, unless otherwise specified) (*) Output voltage matching of the R,G and B levels on a single device for each of the 8 levels (**) Phase matching (50% point on both rise & fall time) on R, G, B, FB lines (FB in DAC mode) (***) Phase matching (50% point on both rise & fall time) on R, G, B, FB lines (FB in digital mode) (****) 95% of the signal amplitude is reached within the specified clock period Symbol Parameter Conditions Value Unit Min Typ Max Output impedance FB,R,G,B 100 Ohm Output voltage FB,R,G,B Cload = 20 pF RL=100K code = 111 code = 110 code = 101 code = 100 code = 011 code = 010 code = 001 code = 000 0.976 0.863 0.751 0.638 0.525 0.412 0.300 0.157 1.170 1.034 0.899 0.763 0.627 0.491 0.356 0.220 1.364 1.205 1.046 0.887 0.729 0.570 0.411 0.252 V FB = 1 FB = 0 5.0 0.2 V Relative voltage accuracy (*) +/-5 % R/G/B to FB 50% point matching FB DAC mode (**) 5ns R/G/B to FB 50% point matching FB digital mode (***) 5ns Pixel Frequency Cload = 20 pF 20**** MHz. Cload = 10 pF 40**** MHz. |
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