CXB1572Q 查看數據表（PDF） - Sony Semiconductor

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CXB1572Q

Post amplifier for Optical Fiber Communication Receiver

Sony Semiconductor 

CXB1572Q

Pin No. Symbol

Typical pin

voltage (V)

DC AC

Equivalent circuit

Description

28 CAP3 –1.8 V

29 CAP2 –1.8 V

29

80

200

5µA

Connects a peak hold circuit

28

VCCA capacitor for alarm block. 470 pF

80

should be connected to VCCA

each.

CAP2 pin → Peak hold

200

capacitor connection for

alarm level setting block.

5µA

CAP3 pin → Peak hold

VEEA

capacitor connection for

limiting amplifier signal.

–1090 mV

30

DOWN

(for

VEEI

= –3.3 V)

–1020 mV

31

UP

(for

VEEI

= –3.3 V)

32 VCCA 0 V

VccA

986

123.4

123.4

Connects a resistor for alarm

31

level setting.

Default voltage can be generated

30

Vcs

without an external resistor.

SW

(Please refer to pin description of

pin No. 3.)

VEEA

3

Positive power supply for analog

block.

—5—

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