Datasheet > 1243FBDC

1243FBDC

更新时间： 2024-02-09 17:49:59

品牌	Logo	应用领域
杰尔 - AGERE		电信集成电路异步传输模式 ATM
页数	文件大小	规格书
12页	167K
描述
1241/1243/1245-Type Uncooled Laser Transmitter

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1243FBDC 技术参数

生命周期：	Transferred	零件包装代码：	DIP
包装说明：	,	针数：	20
Reach Compliance Code：	unknown	HTS代码：	8542.39.00.01
风险等级：	5.42	应用程序：	SONET;SDH
JESD-30 代码：	R-PXFO-X	功能数量：	1
最高工作温度：	85 °C	最低工作温度：	-40 °C
封装主体材料：	PLASTIC/EPOXY	封装形状：	RECTANGULAR
封装形式：	FIBER OPTIC	认证状态：	Not Qualified
标称供电电压：	5 V	表面贴装：	NO
技术：	CMOS	电信集成电路类型：	ATM/SONET/SDH TRANSMITTER
温度等级：	INDUSTRIAL	端子形式：	UNSPECIFIED
端子位置：	UNSPECIFIED	Base Number Matches：	1

1243FBDC 数据手册

Data Sheet

September 1999

1241/1243/1245-Type Uncooled Laser

Absolute Maximum Ratings

Stresses in excess of the absolute maximum ratings can cause permanent damage to the device. These are abso-

lute stress ratings only. Functional operation of the device is not implied at these or any other conditions in excess

of those given in the operations sections of the data sheet. Exposure to absolute maximum ratings for extended

periods can adversely affect device reliability.

Parameter

Supply Voltage^*

Symbol

—

Min

Max

5.5

Unit

—

–40

Operating Case Temperature Range^†

Storage Case Temperature Range

Lead Soldering Temperature/Time

Relative Humidity (noncondensing)

Minimum Fiber Bend Radius

T^C

°C

T^stg

—

–40

°C

—

250/10

°C/s

—

1.00 (25.4)

—

in. (mm)

* With VEE connected to –5 V, VCC must be at 0 V; with VCC connected to +5 V, VEE must be at 0V.

† Specification depends upon the code ordered. The device is capable of a cold start at –40 °C; specifications are met

after a warm-up time determined by the system thermal design.

Characteristics

Minimum and maximum values specified over operating case temperature range at 50% duty cycle data signal and

end of life (EOL).Typical values are measured at beginning-of-life (BOL) room temperature unless otherwise noted.

Table 2. Electrical Characteristics

Parameter

Power Supply Voltage¹

Symbol

Min

4.75

—

Typ

5.0

Max

5.50

130

Unit

Power Supply Current Drain

I^TOTAL

Input Data Voltage:²

Low

High

V^IL

V^IH

–1.81

–1.16

—

–1.47

–0.88

Input Transition Time³

t^I

—

V^CC– 2.0

V^EE

t/4

—

V^CC

Transmitter Disable Voltage⁴

Transmitter Enable Voltage

Output Disable Time⁵

Output Enable Time⁶

Laser Bias Voltage⁷

V^D

V^EN

t^D

—

V^EE+ 0.8

0.20

—

µs

t^EN

V^B

V^BF

—

2.00

0.01

0.06

0.05

0.70

Laser Monitor Voltage (50% duty cycle)⁸

0.20

1. With VEE connected to –5V, VCC must be at 0 V; with VCC connected to +5 V, VEE must be at 0 V.

2. Input measured from VCC with 50 Ω load to (VCC – 2 V). 10K, 10K H, and 100K ECL compatible.

3. Between 10% and 90% (50% duty cycle) where t is the bit period in ns.

4. The transmitter is normally enabled and only requires an external voltage to disable.

5. Time measured from rising edge of disable signal until optical output (laser diode) has turned off.

6. Time measured from falling edge of enable signal until optical output has stabilized at nominal output power level.

7. The laser bias current is obtained by dividing the bias voltage by the 10 Ω current-sensing resistors. (See Figure 1.) When measuring these

voltages or using them in conjunction with alarm circuits, use a high-input impedance device.

8. The laser back-facet monitor voltage is a scaled output that tracks the transmitter optical output power.

Agere Systems Inc.

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