Datasheet > CXB1818Q

CXB1818Q

更新时间： 2024-11-23 22:28:55

品牌	Logo	应用领域
索尼 - SONY		驱动器二极管激光二极管
页数	文件大小	规格书
17页	226K
描述
Laser Diode Driver

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CXB1818Q 技术参数

是否无铅：	不含铅	是否Rohs认证：	符合
生命周期：	Obsolete	零件包装代码：	QFP
包装说明：	QFP, QFP40,.35SQ	针数：	40
Reach Compliance Code：	unknown	风险等级：	5.66
接口集成电路类型：	INTERFACE CIRCUIT	JESD-30 代码：	S-PQFP-G40
JESD-609代码：	e4	长度：	7 mm
功能数量：	1	端子数量：	40
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装代码：	QFP
封装等效代码：	QFP40,.35SQ	封装形状：	SQUARE
封装形式：	FLATPACK	峰值回流温度（摄氏度）：	260
电源：	3.3 V	认证状态：	Not Qualified
座面最大高度：	1.85 mm	子类别：	Display Drivers
最大供电电压：	3.46 V	最小供电电压：	3.14 V
标称供电电压：	3.3 V	表面贴装：	YES
技术：	BIPOLAR	温度等级：	INDUSTRIAL
端子面层：	Palladium (Pd)	端子形式：	GULL WING
端子节距：	0.65 mm	端子位置：	QUAD
处于峰值回流温度下的最长时间：	10	宽度：	7 mm
Base Number Matches：	1

CXB1818Q 数据手册

CXB1818Q

Laser Diode Driver

Description

40 pin QFP (Plastic)

The CXB1818Q is a high-speed monolithic Laser

Diode Driver/Current Switch with ECL/PECL input

level. Open collector outputs are provided at the

output pins (Q, QBX) and have the capacity of driving

modulation current of 50mAp-p at a maximum data

rate of 622Mbps. Along with the modulation current

generator there is the laser diode bias current

generator which has capacity of sourcing up to 60mA

(Bias). The laser diode bias current can be controlled

by either a voltage or current into the bias adjust pin

(BiasAdj) and the bias set pin (SBias), depending on

how these pins are configured. Control of the bias

current is achieved through the APC (Automatic

Power Control) circuit. In order to avoid having a

large current go through the laser diode, this IC also

provides an Activity detector function for laser

protection. The Activity detector circuit detects data

edge transitions and if no data transition occurs after

a certain period, then both the modulation and bias

currents are shutdown. The bias currents are shut it

down by in order to pull down the output voltage of

APC OP.Amp.

Applications

• SONET/SDH: 622Mbps

• Fibre channel: 531Mbps

Absolute Maximum Ratings

• Supply voltage

• Input voltage

V^CC– VEE

VIN

–0.3 to +6.0

VEE to VCC

• Differential input voltage

VD – VDB

0 to 2.5

0 to 80

0 to 5

• Bias output current

• SBias input/output current

• Bias control current

IBset (Ibiasadj) 0 to 5

• Bbias control voltage

VBset (Vbiasadj) 0 to 3

• Modulation output current 70

• Modulation adjust current

IQset (Idrvadj) 0 to 15

• Storage temperature

Tstg

When the automatic shutdown is conducted, it is

possible to select whether the laser diode alarm

output is activated or not. Additionally, this IC has

the DFF for the input signal correction and the

internal Duty Cycle correction circuit that can control

the falling edge of the input pulse up to a maximum

of 1.0ns(Min.).

°C

–65 to +150

Features

Recommended Operating Conditions

• Maximum data rate (NRZ): 622Mbps

• Alarm and Shutdown function

• DC supply voltage

VCC – VEE

• Operating ambient temperature

3.14 to 3.46

–40 to +85

• DFF for input signal correction

• Input signal Duty cycle correction

• Automatic Power Control (APC) for bias current

• Activity detector function for laser protection

• Alarm signal mask function during shutdown

• Differential PECL inputs or AC coupled inputs

°C

Structure

Bipolar silicon monolithic IC

Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by

any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the

operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.

– 1 –

E99227-PS

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中文翻译

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