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поискавой системы для электроныых деталей |
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поискавой системы для электроныых деталей |
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AM3703CUS датащи(PDF) 153 Page - Texas Instruments |
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AM3703CUS датащи(HTML) 153 Page - Texas Instruments |
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153 / 280 page  ST ANDARD VIDEO RANGE TVOUT 10-bit DAC code IRE units Normal mode 0 50 111 223 741 783 895 1007 1023 140 131 120 100 20 7.5 0 -20 -40 1.3 V * pp Sync level Black level Blanking level Peak level White level SWPS038-130 AM3715, AM3703 www.ti.com SPRS616F – JUNE 2010 – REVISED AUGUST 2011 Figure 5-4 describes the composite video signal levels. Figure 5-4. Composite Video Signal Levels(1)(2) (1) The 1.3 VPP (peak-to-peak) is referring to the output signal at cvideo1_out in the DAC + Buffer composite-video mode. Note that the 1.3 VPP must apply to both cvideo1_out and cvideo2_out in DAC + Buffer s-video mode (dual-DAC mode configured for ac or dc coupling). (2) In AVDAC normal mode (DAC + Buffer), higher values of the DAC input code provided by the Video Encoder will result in lower output voltage due to the inverting configuration of the TVOUT Buffer. See Figure 5-4 for more details on the relation between the composite video signal levels and the DAC code values for normal mode of operation. In AVDAC bypass mode (DAC only), higher values of the DAC input code will result in higher output voltage, as the TVOUTBuffer path is bypassed. 5.5 TVOUT Bypass Mode Specifications (DAC-Only) Electrical Specifications Over Recommended Operating Conditions NOTE The electrical characteristics for single- and dual-channel bypass modes are the same except that the active current will double in the dual-channel configuration. Copyright © 2010–2011, Texas Instruments Incorporated Video DAC Specifications 153 Submit Documentation Feedback Product Folder Link(s): AM3715 AM3703 |
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