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CXA2561Q

Dolby B-C Type Noise Reduction System with Playback Equalizer Amplifier

Sony Semiconductor 

CXA2561Q

Pin

No.

Symbol

Typical pin voltage

I/O

I/O resis-

DC

AC

tance

33

38 PBGND

0.0V

———

(Ta = 25°C, VCC = 8.0V, DVCC = 5.0V)

Equivalent circuit

Description

Playback equializer

amplifier ground.

(Connect to ground.)

35 VCT

4.0V

147

—

O

—

35

45k

Vcc

30k

VGS

×1

Center.

(Vcc/2 output)

30k

GND

Vcc

36 PBREF

4.0V

200

—

O

—

36

200

6 NC

—

—

——

Playback equializer

amplifier reference.

(Vcc/2 output)

GND

No connected.

–7–

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