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Rainbow Electronics MAX9656 User Manual

Page 11

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MAX9655/MAX9656

Low-Power Video Switches

for Dual SCART Connectors

______________________________________________________________________________________

11

4.7k

Ω

2.7nF

1.2k

Ω

2.7nF

9.5k

Ω

180pF

4.7k

Ω

10

μF

300k

Ω

DAC

4.7k

Ω

2.7nF

1.2k

Ω

2.7nF

4.7k

Ω

300k

Ω

DAC

10

μF

U0

CS4334

12V

0.1

μF

8

5

6

7

SDATA

1

DEMSCLK

2

LRCK

3

MCLK

4

12V

3.3V

TV_SEL

JU0

TV_SEL

10k

Ω

10k

Ω

12V

3.3V

VCR_SEL

JU1

VCR_SEL

10k

Ω

10k

Ω

U1

1/2 LM833

2N3904

2N3904

1

2

3

12V

0.1

μF

8

4

9.5k

Ω

180pF

7

6

5

1/2 LM833

5.1k

Ω

5.1k

Ω

12V

100k

Ω

10

μF

12V

1M

Ω

100k

Ω

+

100k

Ω

10

μF

12V

1M

Ω

VCR_SEL

12V

0.1

μF

16

21

9, 10, 11

5

3

VCR

SCART

10

μF

15

3

6

2

10

μF

15

1

21

4

7

8

U2

HEF4053

100k

Ω

10

μF

12V

1M

Ω

100k

Ω

100k

Ω

10

μF

12V

1M

Ω

TV_SEL

12V

0.1

μF

16

21

9, 10, 11

5

3

TV

SCART

10

μF

15

3

10

μF

15

1

6
2

21

4

7

8

U2

HEF4053

1

2

+

+

+

+

+

+

+

+

+

+

Figure 2. Audio Switch for the MAX9656