NJW1109 View Datasheet(PDF) - Japan Radio Corporation

Part Name

Description

Manufacturer

NJW1109

Headphone Amplifier with Electronic Volume

Japan Radio Corporation  

NJW1109

s TEST CIRCUIT

TEST CIRCUIT 1 (GVMAX, GVMIN, ∆Gv, VIM, PO, THD, Mute)

Input B

Output B

VADRL VADRH

0.47µF

1µF

100Ω

100µF

V+

BPF:400Hz to 30KHz

7

6

5

4

3

2

1

10µF

SDA ADR INb CAPb NC OUTb V+

I2C Bus

Interface

Bias

VOL

VOL

SCL Vref

8

9

INa CAPa NC OUTa GND

10 11 12 13 14

10µF

0.47µF

1µF

Input A

100µF

Output A

100 Ω

BPF:400Hz to 30KHz

–6–

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