Datasheet

Application information TSH122
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3.3 Using the TSH122 to drive a Cvbs signal
Figure 28. Details on Cvbs (NTSC color bar 100%)
With its internal DC shift, the TSH122 can drive a video signal from the DAC output as low
as 0 V (bottom of the synchronization tip at 0 V - see Figure 14).
GND
Blanking
level
White
~1.3 V
-40 IRE
0 IRE
+100 IRE
+133 IRE
Synchronization tip
DAC output amplitude
Burst
GND
Blanking
level
White
~1.3 V
-40 IRE
0 IRE
+100 IRE
+133 IRE
Synchronization tip
DAC output amplitude
Burst