CXB1818Q datasheet(3/17 Pages) SONY

номер детали	CXB1818Q

подробное описание детали	Laser Diode Driver

PDF	17 Pages

Scroll/Zoom	100%

производитель	SONY [Sony Corporation]

домашняя страница	http://www.sony.co.jp

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CXB1818Q

Pin Description

No.

VCC4

3.3

Positive power supply

for APC circuit.

VEE4

Negative power supply

for APC circuit.

VEE5

Negative power supply

for bias circuit.

1.3 to 3.3

6mA

to 30mA∗1

6mA

to 50mA∗2

QBX

1.3 to 3.3

6mA

to 30mA∗1

6mA

to 50mA∗2

Modulation current

output.

Open collector output.

VEE1

Negative power supply

for driver circuit.

VCC1

3.3

Positive power supply

for driver circuit.

1.5

Chip temperature

monitor.

DrvMon

0mA

1.4mA

Modulation current (IQ)

monitor.

IQ is monitored by

connecting a resistor

(Rmon) to this pin.

DrvAdj

0mA

9mA

Modulation current (IQ)

setting.

BiasAdj

1.5 to 0

Bias current setting.

SBias

0mA

2.5mA

Bias current setting or

monitor.

Bias

0mA

60mA

Bias current output.

Open collector output.

Symbol

Typical pin voltage [V]

Equivalent circuit

Description

VCC

VEE

10pF

260

240

VEE

Current

Source

VCC

Rmon

VEE

22.5

150

∗1 Ta = –40 to 0°C

∗2 Ta = 0 to +85°C

Complementary current

output.

Q and QBX are not

symmetrical output.

Use Q output for laser

diode.

—

No connected.

—

VEE

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