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NJM2705

Surround Audio Processor for Mobile Applications

Japan Radio Corporation  

NJM2705

sAPPLICATION CIRCUIT (SSOP16)

1) 2SP mode, HP mode

0.0047µ

0.0033µ

Rch OUT

SP VR 50kB

4.7k

HP VR 50kB

4.7k

1 HFHPR

NFSPL 16

2 NFSPR

NFHPL 15

3 ROUT

LMON 14

0.0033µ

0.0047µ

Lch OUT

Rch IN

0.1µ

Lch IN

0.1µ

1µ

4 LOUT

5 RIN

6 LIN

7 VREF

8 GND

PS 13

SW2 12

SW1 11

STBY 10

V+ 9

0.027µ

100k

1µ

100k

1µ

SW2

SW1

STBY

10µ

V+

2) 1SP mode, HP mode

0.0047µ

SP VR 50kB

4.7k

HP VR 50kB

4.7k

1 HFHPR

NFSPL 16

0.0033µ

2 NFSPR

NFHPL 15

0.0047µ

Rch OUT

3 ROUT

LMON 14

Lch OUT

4 LOUT

PS 13

1µ

0.027µ

Rch IN

0.1µ

5 RIN

SW2 12

100k

SW2

Lch IN

0.1µ

6 LIN

SW1 11

1µ

100k

SW1

7 VREF

1µ

8 GND

STBY 10

V+ 9

1µ

STBY

10µ

V+

Surround signal is outputted from LOUT terminal at 1SP mode.

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