CXA2647 Просмотр технического описания (PDF) - Sony Semiconductor

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CXA2647

RF Signal Processor for CD Players

Sony Semiconductor 

Pin

No.

Symbol

I/O

Equivalent circuit

CXA2647N

Description

6A

7B

8C

9D

10 E

11 F

12 SW

13 DVCC

I

10k

6

100µA

10k

100µA

400µA

7

I

100µA

30k

RFAC summing amplifier,

8

100µA

RFDC amplifier, focus error

47k

amplifier and center error

amplifier input.

47k

50µA

100µA

I

9

VC

100µA

30k

24k

I

24k

50µA

100µA

VC

I

10

11

Tracking error amplifier input.

I

100µA

VC

200k

CD-ROM/SLEEP/CD-RW

200k

I

12

200k

switching input.

ROM when connected to GND,

RW when connected to DVCC,

SLEEP mode when connected

VC

to DVC or Hi-Z.

—

—

Digital power supply.

14 DVC

O

100

14

100 25

(DVCC + GND)/2 voltage

output.

–5–

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