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AD9661A

更新时间： 2024-02-17 04:50:43
品牌 Logo 应用领域
亚德诺 - ADI 驱动器二极管激光二极管功率控制
页数 文件大小 规格书
12页 178K
描述
Laser Diode Driver with Light Power Control

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AD9661A 技术参数

是否Rohs认证： 不符合生命周期：Obsolete
零件包装代码：SOIC包装说明：PLASTIC, SOIC-28
针数：28Reach Compliance Code：not_compliant
ECCN代码：EAR99HTS代码：8542.39.00.01
风险等级：5.82接口集成电路类型：INTERFACE CIRCUIT
JESD-30 代码：R-PDSO-G28JESD-609代码：e0
功能数量：1端子数量：28
最高工作温度：70 °C最低工作温度：
封装主体材料：PLASTIC/EPOXY封装代码：SOP
封装等效代码：SOP28,.4封装形状：RECTANGULAR
封装形式：SMALL OUTLINE峰值回流温度（摄氏度）：220
电源：5 V认证状态：Not Qualified
子类别：Display Drivers最大压摆率：95 mA
最大供电电压：5.25 V最小供电电压：4.75 V
标称供电电压：5 V表面贴装：YES
技术：BIPOLAR温度等级：COMMERCIAL
端子面层：Tin/Lead (Sn/Pb)端子形式：GULL WING
端子节距：1.27 mm端子位置：DUAL
处于峰值回流温度下的最长时间：30Base Number Matches：1

AD9661A 数据手册

 浏览型号AD9661A的Datasheet PDF文件第2页浏览型号AD9661A的Datasheet PDF文件第3页浏览型号AD9661A的Datasheet PDF文件第4页浏览型号AD9661A的Datasheet PDF文件第5页浏览型号AD9661A的Datasheet PDF文件第6页浏览型号AD9661A的Datasheet PDF文件第7页 
Laser Diode Driver  
with Light Power Control  
a
AD9661A  
and fall times are 2 ns to complement printer applications that  
use image enhancing techniques such as pulse width modula-  
tion to achieve gray scale and resolution enhancement. Control  
signals are T T L/CMOS compatible.  
FEATURES  
< 2 ns Rise/ Fall Tim es  
Output Current: 120 m A  
Single +5 V Pow er Supply  
Sw itching Rate: 200 MHz typ  
Onboard Light Pow er Control Loop  
T he driver output provides up to 120 mA of current into an  
infrared N type laser, and the onboard disable circuit turns off  
the output driver and returns the light power control loop to a  
safe state.  
APPLICATIONS  
Laser Printers and Copiers  
T he AD9661A can also be used in closed-loop applications in  
which the output power level follows an analog POWER LEVEL  
voltage input. By optimizing the external hold capacitor and  
the photo detector, the loop can achieve bandwidths as high as  
25 MHz.  
GENERAL D ESCRIP TIO N  
T he AD9661A is a highly integrated driver for laser diode appli-  
cations such as printers and copiers. T he AD9661A gets feed-  
back from an external photo detector and includes an analog  
feedback loop to allow users to set the power level of the laser,  
and switch the laser on and off at up to 100 MHz. Output rise  
T he AD9661A is offered in a 28-pin plastic SOIC for  
operation over the commercial temperature range (0°C to  
+70°C).  
FUNCTIO NAL BLO CK D IAGRAM  
TTL  
TTL  
DISABLE  
CIRCUIT  
DISABLE  
*13ns DELAY ON RISING  
EDGE; 0ns ON FALLING  
PULSE  
HOLD  
PULSE2  
TTL  
TTL  
*
DELAY  
CAL  
VOLT  
V
REF  
REF  
+5V  
POWER  
LEVEL  
ANALOG  
LASER  
DIODE  
PHOTO  
DETECTOR  
V
+ V  
REF  
LEVEL SHIFT IN  
V1  
3–120mA  
LEVEL  
5pF  
1:10  
SHIFT OUT  
I
OUTPUT  
OUT  
LEVEL  
SHIFT  
CIRCUIT  
LEVEL  
SHIFT IN  
REF  
8
DAC  
0–1.6V  
AD9661A  
GAIN  
50Ω  
C
R
GAIN  
GAIN  
SENSE IN  
1.0V  
ANALOG  
1:1  
I
I
MONITOR  
MONITOR  
POWER  
MONITOR  
V
REF  
REV. 0  
Inform ation furnished by Analog Devices is believed to be accurate and  
reliable. However, no responsibility is assum ed by Analog Devices for its  
use, nor for any infringem ents of patents or other rights of third parties  
which m ay result from its use. No license is granted by im plication or  
otherwise under any patent or patent rights of Analog Devices.  
© Analog Devices, Inc., 1995  
One Technology Way, P.O. Box 9106, Norw ood, MA 02062-9106, U.S.A.  
Tel: 617/ 329-4700 Fax: 617/ 326-8703  
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