參數(shù)資料
型號: TSH103ID
廠商: STMICROELECTRONICS
元件分類: 音頻/視頻放大
英文描述: 3 CHANNEL, VIDEO AMPLIFIER, PDSO8
封裝: SOP-8
文件頁數(shù): 9/12頁
文件大小: 271K
代理商: TSH103ID
Using the TSH103 to drive video signals
TSH103
6/12
Doc ID 13895 Rev 2
5
Using the TSH103 to drive video signals
Figure 9.
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 Table 3). The Y signal can be properly driven by the TSH103 because its low output
rail (VOL) is lower than 46 mV (Table 3).
Figure 10.
Details on Y or G or CVBS for synchronization tip
+5 V
75
Ω cable
75
Ω
Video
DAC
Y
75
Ω
Video
DAC
Pb
75
Ω
Video
DAC
Pr
TV
75
Ω
DAC
load
resistor
DAC
load
resistor
DAC
load
resistor
0.7 Vpp
0.3 V
GND
1 V
1 Vpp
0.3 V
GND
1 V
0.7 Vpp
0.3 V
GND
1 V
0.7 Vpp
1.4 Vpp
2 Vpp
0.9 V
GND
2.3 V
0.9 V
GND
2.3 V
GND
1.15 V
0.45 V
0.7 Vpp
1.4 Vpp
GND
TSH103
1 Vpp
0.45 V
GND
1.15 V
0.9 V
2.3 V
1.15 V
0.45 V
75
Ω cable
75
Ω cable
75
Ω
75
Ω
AM04553
DAC
Y signal
Time
Amplitude
Synchronization tip
(close to zero volt)
Black
(300 mV)
White
(1 V)
GND
AM04554
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