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THS7376IPW Datasheet(PDF) 35 Page - Texas Instruments |
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THS7376IPW Datasheet(HTML) 35 Page - Texas Instruments |
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35 / 61 page  11 14 13 12 HD CH3 IN HD CH3 OUT HD CH1 IN HD CH2 IN CVBS IN HD CH2 OUT HD CH1 OUT CVBS OUT 1 2 3 4 CVBS Y’, G’ P’B, B’ R 37.4 W R 37.4 W R 37.4 W P’R, R’ 5 6 7 10 9 8 NC HD BYPASS DISABLE VS+ GND NC R 37.4 W +3 V to 5 V To GPIO Controller Or GND 75 W 75 W 75 W 75 W CVBS Out Y’, G’ Out P’B, B’ Out P’R, R’ Out C STRAY 5 pF C STRAY 5 pF C STRAY 5 pF C STRAY 5 pF C 10 pF C 10 pF C 10 pF C 10 pF 75 W 75 W 75 W 75 W C STRAY 5 pF C STRAY 5 pF C STRAY 5 pF C STRAY 5 pF R SOURCE V SOURCE 11 14 13 12 HD CH3 IN HD CH3 OUT HD CH1 IN HD CH2 IN CVBS IN HD CH2 OUT HD CH1 OUT CVBS OUT 1 2 3 4 5 6 7 10 9 8 NC HD BYPASS DISABLE V S+ GND NC +3 V to 5 V To GPIO Controller Or GND R LOAD C LOAD R LOAD C LOAD R LOAD C LOAD R LOAD C LOAD R TERM R TERM R TERM R TERM 22 F m + 0.1 F m V BIAS THS7376 www.ti.com SBOS692 – JUNE 2013 TEST CIRCUITS Figure 122 shows the default test condition for the THS7376. RLOAD is nominally 150 Ω and CLOAD is nominally 5 pF to account for traditional printed circuit board (PCB) layout parasitics. The input typically comes from either a video generator (such as a TEK TG700) or other sources (such as a network analyzer, pulse generator, or a sine-wave generator). Inputs originating from a video generator require a 75- Ω input termination and a dc offset. Inputs from other sources require a 50- Ω termination and a dc offset (approximately 0.6 VDC). Figure 122 is the preferred configuration for most testing. Figure 122. Default Test Configuration Figure 123 shows the typical system configuration where long PCB traces between the system-on-a-chip (SOC) DAC output and the THS7376 are common. On the output, long PCB traces and small capacitors placed near the connector are common components, and are normally used for electromagnetic interference (EMI) considerations. These capacitors combine with the device filter response and can help attenuate very high frequencies. This circuit is useful in understanding the high-frequency roll-off effects resulting from actual system parasitics typically found in end applications. Figure 123. Typical System Configuration Copyright © 2013, Texas Instruments Incorporated Submit Documentation Feedback 35 Product Folder Links: THS7376 |
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