NJW1109V 데이터 시트보기 (PDF) - Japan Radio Corporation

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NJW1109V

Headphone Amplifier with Electronic Volume

Japan Radio Corporation  

NJW1109

TEST CIRCUIT 3 (CS)

Rg=600 Ω

Input B

Output B

Rg=600 Ω

VADRL VADRH

100 Ω

100µF

1µF

V+

0.47µF

7

6

5

4

3

2

1

SDA ADR INb CAPb NC OUTb V+

BPF:400Hz to 30KHz

10µF

I2C Bus

Interface

Bias

VOL

VOL

SCL Vref

8

9

10µF

INa CAPa

10 11

0.47µF

1µF

Rg=600 Ω Input A

NC OUTa GND

12 13 14

100µF

Output A

100 Ω

BPF:400Hz to 30KHz

–8–

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