CXA1372BQ Просмотр технического описания (PDF) - Sony Semiconductor

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производитель

CXA1372BQ

RF Signal Processing Servo Amplifier for CD Player

Sony Semiconductor 

Pin Description

Pin No.

Symbol I/O

QS

1 7 VC

I

2 8 FGD

I

CXA1372BQ/BS

Equivalent circuit

Description

Center voltage input.

For dual power supplies: GND

For single power supply:

(VCC + GND)/2

Vcc

147 48k

2

Connects a capacitor between this

pin and Pin 3 to cut high-frequency

130k

20µA

gain.

VEE

3 9 FS3

I

46k

580k

3

The high-frequency gain of the

focus servo is switched through FS3

ON and OFF.

4 10 FLB

I

40k

4

External time constant to boost the

low frequency of the focus servo.

5 11 FEO

11 17 TAO

14 20 SLO

O

5

O

11

14

O

250µA

Focus drive output.

2.5µA

Tracking drive output.

Sled drive output.

90k

147

6 12 FE–

I

6

Inverted input for focus amplifier.

40k

2.5µA

–4–

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