TSH122 STMicroelectronics, TSH122 Datasheet - Page 12

• Manufacturer Part Number: TSH122
• Description: Ultra low power video buffer/filter with power-down
• Manufacturer: STMicroelectronics

Specifications of TSH122

• Very Low Consumption: 1.7 mA
• Ultra Low Power-down Mode: 4 nA typ., 500 nA max.

Application information
3.3
Figure 28. Details on Cvbs (NTSC color bar 100%)
12/16
+133 IRE
+133 IRE
+100 IRE
+100 IRE
-40 IRE
-40 IRE
0 IRE
0 IRE
DAC output amplitude
DAC output amplitude
Using the TSH122 to drive a Cvbs signal
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
~1.3 V
~1.3 V
Blanking
Blanking
White
White
GND
GND
level
level
Synchronization tip
Synchronization tip
Burst
Burst
Figure
14).
TSH122