NJM2172V 查看數據表（PDF） - Japan Radio Corporation

零件编号

产品描述 (功能)

生产厂家

NJM2172V

OPERATIONAL AMPLIFIER WITH EVR

Japan Radio Corporation  

NJM2172

s TEST CIRCUIT 1

SW3

1µ

A-Weight

10k

SW5

a

1µ

b

600

SW1

47µ

SW2

2.5k

VO1

V

SW4

A-Weight

VO2

100 V

10µ

VREF

V

1µ

VI1

1

2

3

4

10

9

8

OPAMP

EVR

VCA

EVR AMP

EVR Control

VREF AMP

1234

Ach 1 2 3 4

Bch 14 13 12 11

5

5 pin

6 pin

5

7

ICC

VCNT A V+

47µ

Test circuit 1 shows only Ach.

Fig.1

-4-

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