NJM2755 Просмотр технического описания (PDF) - Japan Radio Corporation

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NJM2755

4-Input / 1-Output Stereo Audio Selector

Japan Radio Corporation  

NJM2755

sAPPLICATION CIRCUIT

+

100µF

10µF

+

10µF

+

10µF

+

100k 1µF

10µ+F

100k

1µF

10µ+F

1 OUTA

2 IN1A

3 V+

4 IN2A

5 CNT1

6 IN3A

7 CNT2

8 IN4A

OUTB 16

IN1B 15

GND 14

IN2B 13

Vref 12

IN3B 11

N.C 10

IN4B 9

10µF

+

+ 10µF

+ 10µF

10µF

+

+ 10µF

10µF

+

Application note:

Resistor(100k) and capacitor(1µF) connected to CNT1 are added to reduce pop-noise.

The value of input capacitor connected to IN1A and IN2A depends on cut-off frequency(calculated by fc=1/2πRC)

you need. R(input impedance)=100kΩ.

-6-

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