CXA2002 查看數據表（PDF） - Sony Semiconductor

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CXA2002

2-channel Recording/Playback Amplifier

Sony Semiconductor 

CXA2002R

Pin

No.

Symbol

Pin

voltage

Equivalent circuit

Description

35µ

35µ

35µ

23 RAMPCONT —

1.5V

23

143

Ramp pulse rising slope

switchover pin.

Low: 32µA/µs 0.6V or below

High: 17µA/µs 2.3V or above

(The fall time is 32µA/µs in

both cases.)

24 MTQ

—

25 VCC1

4.75

26 REC1CONT —

25k 10k

24

50k 143

15k

7k 7k

270

34k

143

71k

26

66k

EVR adjusting pin to

determine middle-tune Q.

Increasing the applied

voltage increases Q.

Power supply pin for CH1 REC

amplifier and PB amplifier.

EVR adjusting pin for the CH1

recording dumping level.

Reducing the applied voltage

strengthens dumping.

27 REC1OUT

—

12k

27

5.7k

1k

30

CH1 recording output pin.

Open collector.

–8–

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