CXA2550M 데이터 시트보기 (PDF) - Sony Semiconductor

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CXA2550M

RF Amplifier for CD Players

Sony Semiconductor 

Pin Description

Pin

No.

Symbol

I/O

Equivalent circuit

1 AGCVTH —

50µ

147

1

13.4k

10µ

CXA2550M/N

Description

Reference level variable pin for RF

level control.

The reference level can be varied by

the external resistor.

2 LD

O

10k

2

1k

APC amplifier output pin.

3 PD

8µ

I

147

3

20µ

55k

APC amplifier input pin.

10k

4 PD1

I

5 PD2

I

10k

Inversion input pin for RF I-V

amplifiers.

4

Connect these pins to the

5

photodiodes A + C and B + D

100µ

respectively. The current is supplied.

6 VEE

—

6

VEE

VEE pin.

–2–

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