tsh61 STMicroelectronics, tsh61 Datasheet - Page 9

• Manufacturer Part Number: tsh61
• Description: Wide-band, Low-power Operational Amplifiers With Standby
• Manufacturer: STMicroelectronics

TSH60,61,62,63,64
5
Video Applications
TSH6x operational amplifiers can be used to buffer standard definition video signals on
75-ohm video lines. An example of a video channel is shown below. A typical third-order
filter and its response are also shown.
Figure 9.
Figure 10. Third order low-pass filter and its response (for standard definition video)
Video
DAC
Implementation of a video driver on a video DAC output
1Vpp
Video
Signal
Reconstruction
1Kohm
LPF
Filter
Vin
Vin
1.05V
tim e
33pF
33pF
50mV
+
_
+5V
TSH6x
1Kohm
Volt
6.8uH
6.8uH
5pF
5pF
Video
Signal
2.1V
tim e
100mV
33pF
33pF
2Vpp
Vout
Vout
75Ω
Volt
Video Applications
75Ω Cable
Video
Signal
75Ω
1.05V
50m V
tim e
1Vpp
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