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

15 RFAC

O

Equivalent circuit

15

1.4mA

100

CXA2647N

Description

RFAC amplifier output.

16 FE

O

17 FEI

I

50k

124

16

VC

50µA 500µA 124

17

Focus error amplifier output.

Focus error amplifier gain

adjustment.

The gain is adjusted by the

external resistance value

connected between this pin

and Pin 16.

18 TE

O

18

63k

100µA

500µA

Tracking error amplifier output.

19 TE_BAL

I

45k

19

5k

VC

50µA

Input for adjusting the tracking

error amplifiers E and F gain

balance with the control

voltage.

20 CE

O

21 CEI

I

50k

124

20

VC

50µA 500µA 124

21

–6–

Center error amplifier output.

Center error amplifier gain

adjustment.

The gain is adjusted by the

external resistance value

connected between this pin

and Pin 20.

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