TSH60CD 데이터 시트보기 (PDF) - STMicroelectronics

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TSH60CD

Wide-Band, Low-Power Operational Amplifiers with Standby

STMicroelectronics 

TSH60,61,62,63,64

5

Video Applications

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. Implementation of a video driver on a video DAC output

V id e o

DAC

Volt

V id e o

S ig n a l

1.05V

50mV

tim e

R e co n s tr u ct io n

Filte r

+5V

1Vpp

LPF

+

TSH6x

_

1Kohm

1Kohm

V id e o

S ig n a l

2.1V

Volt

100mV

tim e

Video

Signal

75Ω 75Ω Cable

1.05V

50m V

tim e

1Vpp

75Ω

2Vpp

Figure 10. Third order low-pass filter and its response (for standard definition video)

5pF

Vin

33pF

6.8uH

Vout

33pF

9/13

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