MAX7428-MAX7432 查看數據表（PDF） - Maxim Integrated

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MAX7428-MAX7432

Standard Definition Video Reconstruction Filters and Buffers

Maxim Integrated 

Standard Definition Video Reconstruction

Filters and Buffers

AUX IN

D/A

ENCODER

AUX IN

D/A

ENCODER

AUX IN

D/A

ENCODER

0.1µF

*1MΩ

0.1µF

0.1µF

*1MΩ

*1MΩ

0.1µF

0.1µF

*1MΩ

*1MΩ

0.1µF

*1MΩ

+5V

VCC

OUT1

IN1A

DATA

IN1B

MAX7432

IN2A

OUT2

IN2B

IN3A

IN3B

GND

OUT3

REXT

75Ω 220µF**

75Ω 220µF**

***

+5V

SERIAL I/O

75Ω 220µF**

75Ω 220µF**

75Ω 220µF**

75Ω 220µF**

C1 = 1nF TO 1µF (SEE TABLE 3)

*NEEDED ONLY IN FILTER BYPASS MODE

**OPTIONAL OUTPUT CAPACITOR

***ONLY ONE PULLUP RESISTOR NEEDED PER BUS

300kΩ

C1

Z0 = 75Ω

75Ω

Z0 = 75Ω

75Ω

Z0 = 75Ω

75Ω

Z0 = 75Ω

75Ω

Z0 = 75Ω

75Ω

Z0 = 75Ω

75Ω

Figure 3. MAX7432 Typical Application Circuit

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