CXB1562AQ 데이터 시트보기 (PDF) - Sony Semiconductor

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CXB1562AQ

2R IC for Optical Fiber Communication Receiver

Sony Semiconductor 

CXB1562AQ

Pin Description

Typical pin

Pin No. Symbol voltage (V)

DC AC

1

VCCP

2

VCCR

31

3 VEEI –5V

30

3

0V

4

SW

(OPEN)

or

4

–5V

5D

–0.9V

–1.3V to

–1.7V

6D

–0.9V

–1.3V to

–1.7V

5

7

VCCA 0V

6

8 CAP1 –1.8V

9 R1K

10 R2K

11 CAP1 –1.8V

Equivalent circuit

Description

50k

10

32

1

2

993

110.3

110.3

Vcs

Positive power supply for

external power supply.

VccA

SW

VEEA

Generates the default voltage

between UP and DOWN.

The voltage (8.0mV for input

conversion) can be generated

between UP and DOWN

(Pins 30 and 31) as alarm

setting level by connecting this

pin to VEEA.

150k

100k

VREF

VCCA

Switches the identification

maximum voltage amplitude.

High voltage when open; the

identification maximum voltage

amplitude becomes 50mVp-p.

Low voltage when connecting

this pin to VEE; the amplitude

becomes 20mVp-p.

VEEA

Limiting amplifier block input.

Be sure to make this input with

AC coupled.

VCCA

200

Positive power supply for analog

11 block.

200

10k 100p 200 2k

10 Pins 8 and 11 connect a

1.5k

10k 200 1k 9 capacitor which determines the

cut-off frequency for feedback

8 block, and 1kΩ is connected

1.5k

VEEA between Pins 8 and 9; 2kΩ

between Pins 10 and 11. A

resistor which is to be inserted in

parallel with a capacitor can be

selected 5 ways by external

wiring, and DC feedback can be

varied.

–3–

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