TEA6415C 查看數據表（PDF） - STMicroelectronics

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TEA6415C

Bus-Controlled Video Matrix Switch

STMicroelectronics 

TEA6415C

Electrical Characteristics

2.8 Crosstalk Improvement

1. Whenever an input is not used, it must be bypassed to ground through a 220 nF capacitor.

2. Performances can be greatly improved in regards to input crosstalk by using the application

example described in the figure below.

Figure 8: Application Diagram Example

CEXT

22 µF

11

75 Ω 100 kΩ

12

CVBSOUT2

COUT2

YOUT2

CVBSOUT1

COUT1

YOUT1

Y, C

Adder

13

10 kΩ

14

10 kΩ

15

10 kΩ

16

10 kΩ

17

10 kΩ

18

10 kΩ

19

100 kΩ

220 nF

75 Ω

10

YEXT

100 µF

10 Ω

9

VCC (10 V)

220 nF

8

CVBS 3

220 nF

75 Ω

7

Prog (Bus)

100 kΩ

22 µF

6

100 kΩ

220 nF

5

CINT

75 Ω

YINT

75 Ω

4

Clock (Bus)

220 nF

3

Y, C

CVBS 2 Separator

75 Ω

2

Data (Bus)

Y+C

220 nF

20

75 Ω

220 nF

1

CVBS 1

75 Ω

8/11

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