NJM2781 查看數據表（PDF） - Japan Radio Corporation

零件编号

产品描述 (功能)

比赛名单

NJM2781

Monaural Microphone Amplifier

Japan Radio Corporation  

I TERMINAL DESCRIPTION

PIN

NO.

SYMBOL

FUNCTION

1 NOISE Noise Bypass

2 REG Regulator Output

3 STBY Standby On/Off

4

IN+ Non-Inverted Input

NJM2781

EQUIVALENT CIRCUIT

V+

V+ V+

V+

TERMINAL

VOLTAGE

3.6k

0.54V

NOISE

27k

500

V+

V+

8k

V+

REG

2.42V

V+

V+

STBY

460

30k

30k

V+

REG

48k

IN+

76k

60k

0V

1.35V

–7–

Share Link: