Typical application circuit – Rainbow Electronics MAX9597 User Manual

Page 29

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MAX9597

Low-Power Audio/Video Interface

for Single SCART Connectors

______________________________________________________________________________________

29

MAX9597

SDA

SCL

DEV_ADDR

TV

SCART

V

12

0.1

μF

12V

V

VID

0.1

μF

ENC_CVBS_IN

75

Ω

ENC_R/C_IN

75

Ω

ENC_G_IN

75

Ω

ENC_B_IN

75

Ω

3.3V

+3.3V

V

AUD

0.1

μF

3.3V

ENC_INLOUT
ENC_INR+

ENC_INL+

ENC_INL-

ENC_INR-

ENC_INROUT

VIDEO

ENCODER

μC

STB CHIP

STEREO

AUDIO

CURRENT

DACS WITH

DIFFERENTIAL

OUTPUTS

TV_OUTR

300

Ω

TV_OUTL

300

Ω

TV_SS_OUT

100

Ω

TV_B_OUT

75

Ω

TV_G_OUT

75

Ω

TV_R/C_OUT

75

Ω

TV_FS_OUT

75

Ω

TV_CVBS_OUT

C1P

C1N

CPVSS

GND

EP

75

Ω

124

Ω

(R

F

)

15nF

(C2)

124

Ω

(R

F

)

15nF

(C1)

124

Ω

(R

F

)

15nF

(C2)

124

Ω

(R

F

)

15nF

(C1)

NOTE: OPTIONAL RESISTOR CAN BE PLACED
FROM AUDIO DAC OUTPUTS TO GROUND TO
DECREASE SWING AT AUDIO DAC OUTPUTS.

Typical Application Circuit

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