CXA2002 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA2002

2-channel Recording/Playback Amplifier

Sony Semiconductor 

CXA2002R

Pin

No.

Symbol

42 GND

Pin

voltage

0

Equivalent circuit

43 IR1

1.9

4.15V

20k

40µ

43

Description

GND pin for all components

other than REC amplifier and

PB amplifier.

Pin to determine REC

amplifier gain.

The reference current is

produced by connecting

15kΩ between this pin and

GND.

44 IR

1.9

4.15V

45 VG2

2.45

4.15V

Pin to produce the reference

current for the middle tune,

dropout detector and ramp.

20k

Connect 18kΩ between this

40µ

44

pin and GND.

270

45

20k

2.45V internal reference

voltage source.

46 PCMIN

2.45

70µ

143

46

50k

2.45V

Recording PCM input pin.

Input after cutting DC

component with C.

Input level: 300mVp-p (typ.)

– 12 –

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