CXA2542Q Просмотр технического описания (PDF) - Sony Semiconductor

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производитель

CXA2542Q

RF Signal Processing Servo Amplifier for CD Player

Sony Semiconductor 

CXA2542Q

Pin Description

Pin

No.

Symbol

I/O

Equivalent circuit

Description

1 FEI

I

1

2

2 FDFCT

I

147

100k

147

Focus error input.

3µ

Connects the capacitor for defect

time constant.

3 FGD

I

68k

147

3

130k

4µ

4 FLB

I

40k

330k

4

470k

Ground this pin through a capacitor

for cutting the focus servo high-

frequency gain.

External time constant setting pin

for boosting the focus servo low-

frequency.

5 FE_O

O

5

12 TA_O

O

12

15

15 SL_O

O

Focus drive output.

Tracking drive output.

250µ

Sled drive output.

6 FE_M

I

90k

147

6

50k

2µ

Focus amplifier inverted input.

7 SRCH

I

147

7

50k

20k

11µ

External time constant setting pin for

generating focus search waveform.

–3–

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