TSH103 STMicroelectronics, TSH103 Datasheet - Page 6

• Manufacturer Part Number: TSH103
• Description: Low cost triple video buffer/filter for standard video
• Manufacturer: STMicroelectronics

Using the TSH103 to drive video signals
5
Figure 9.
6/12
Video
DAC
Video
DAC
Video
DAC
Using the TSH103 to drive video signals
Video line interface implementation schematics
The bottom of the synchronization tip at the DAC output can be as low as 0 mV. In this case,
the bottom is equal to 310 mV typical at the TSH103 output (see values of the output DC
shift in
rail (V
Figure 10. Details on Y or G or C
Y
Pb
Pr
0.3 V
GND
0.3 V
GND
0.3 V
1 V
GND
OL
1 V
1 V
Table
0.7 Vpp
) is lower than 46 mV
1 Vpp
0.7 Vpp
DAC
resistor
resistor
resistor
DAC
DAC
DAC
load
load
load
3). The Y signal can be properly driven by the TSH103 because its low output
Y signal
+5 V
TSH103
GND
(Table
Doc ID 13895 Rev 2
Amplitude
VBS
3).
0.9 V
GND
0.9 V
2.3 V
GND
2.3 V
0.9 V
2.3 V
GND
for synchronization tip
1.4 Vpp
2 Vpp
1.4 Vpp
(close to zero volt)
Synchronization tip
75 Ω
75 Ω
75 Ω
75 Ω cable
75 Ω cable
75 Ω cable
1.15 V
0.45 V
1.15 V
0.45 V
0.45 V
GND
1.15 V
GND
GND
Time
75 Ω
75 Ω
75 Ω
1 Vpp
0.7 Vpp
0.7 Vpp
(300 mV)
White
(1 V)
Black
AM04554
TSH103
TV
AM04553