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LMH1981 bảng dữ liệu(PDF) 9 Page - Texas Instruments |
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LMH1981 bảng dữ liệu(HTML) 9 Page - Texas Instruments |
9 / 24 page VIN CSOUT HSOUT BPOUT TBPOUT BLANKING LEVEL WHITE LEVEL - SYNC OH TRAILING EDGE 50% SLICE 50% 50% + SYNC VIDEO tdBPOUT THSOUT tdHSOUT tdCSOUT VIDEO INPUT RANGE 0.5 VPP to 2 VPP 1 VPP (typ.) LEADING EDGE LMH1981 www.ti.com SNLS214H – APRIL 2006 – REVISED MARCH 2013 Table 1. SDTV Horizontal Interval Timing Characteristics (NTSC, PAL, 480I, 576I)(1)(2) Symbol Parameter Conditions Typ Units tdCSOUT Composite Sync Output Propagation Delay from Input Sync See Figure 9 NTSC, 480I 475 ns Reference (OH) PAL, 576I 525 tdHSOUT Horizontal Sync Output Propagation Delay from Input Sync See Figure 9(1) NTSC, 480I 40 ns Reference (OH) PAL, 576I 60 tdBPOUT Burst/Back Porch Timing Output Propagation Delay from See Figure 9 300 ns Input Sync Trailing Edge THSOUT Horizontal Sync Output Pulse Width See Figure 9 2.5 µs TBPOUT Burst/Back Porch Timing Output Pulse Width See Figure 9 3.2 µs (1) Note: HSync propagation delay variation less than ±3 ns (typ) over 0°C to 70°C temperature range. (2) VCC = 3.3V , TA = 25°C Table 2. EDTV Horizontal Interval Timing Characteristics (480P, 576P) Symbol Parameter Conditions Typ Units tdCSOUT Composite Sync Output Propagation Delay from Input Sync See Figure 9 450 ns Reference (OH) tdHSOUT Horizontal Sync Output Propagation Delay from Input Sync See Figure 9 35 ns Reference (OH) tdBPOUT Burst/Back Porch Timing Output Propagation Delay from Input Sync See Figure 9 500 ns Trailing Edge THSOUT Horizontal Sync Output Pulse Width See Figure 9 2.3 µs TBPOUT Burst/Back Porch Timing Output Pulse Width See Figure 9 350 ns HDTV Horizontal Interval Timing Figure 10. HDTV Horizontal Interval with Tri-level Sync Copyright © 2006–2013, Texas Instruments Incorporated Submit Documentation Feedback 9 Product Folder Links: LMH1981 |
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