BA7657S_ 查看數據表（PDF） - ROHM Semiconductor

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BA7657S_

Input selector switch for high definition displays

ROHM Semiconductor 

Multimedia ICs

•Measurement circuit

C1: 0.01µF

C2: 47µF

1

OSC1

75Ω

2

3

SW7 4

5

6

5V

75Ω

OSC2

1.8V

1.2V

C1

1

C2

C1

2

C2

SW1

470kΩ

1

470pF

C1

1

C2

C1

2

C2

C1

1

C2

C1

2

C2

C1

1

C2

C1

2

C2

C1

1

C2

C1

2

C2

C1

1

C2

C1

2

C2

1

2

SW2

3

4

SW3

5

6

SW4

7

8

SW5

9

10

SW6

11

12

2

3

1

4

SW9 SW8

5

2

BA7657F / BA7657S

5

4

SW17

3

2

1

1.2V

1.8V

OSC5

75Ω

5V

1

24

SW16

2

Oscilloscope

3

23

SW15

2

Oscilloscope

Network

Analyzer

SW14

22

1

1 23

20µA

21

3

VCC = 5V

75Ω

47µF

1µF OSC3

20

0.01µF

2

1µF

1

19

Oscilloscope

18

4

2kΩ

VCC = 5V

SW12

17

3

VCC = 5V 2kΩ

16

2

1

15

3

SW11

1.2V

14

2

1.8V

1

13

Fig. 1

Oscilloscope

3

SW10

2

1

7

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