NJM2755

- 6 -

s

s

s

sAPPLICATION CIRCUIT

Application note:

Resistor(100k) and capacitor(1

µF) 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=1/2

πRC)

you need. R(input impedance)=100k

Ω.

8

9

10

11

12

15

14

13

16

1

2

3

4

5

6

7

IN3A

GND

OUTB

IN2A

IN1B

IN2B

Vref

IN3B

V+

IN1A

OUTA

CNT1

CNT2

+

+

+

+

+

+

+

+

10

µF

10

µF

10

µF

10

µF

10

µF

10

µF

10

µF

100

µF

+

10

µF

IN4B

IN4A

+

10

µF

+

N.C

1

µF

10

µF

+

100k

1

µF

10

µF

100k