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LM199AH/883/NOPB PDF预览

LM199AH/883/NOPB

更新时间： 2024-01-06 18:43:07
品牌 Logo 应用领域
德州仪器 - TI /
页数 文件大小 规格书
10页 651K
描述
IC,VOLT REFERENCE,FIXED,6.95V,BIPOLAR,TO-46,4PIN,METAL

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中文翻译

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LM199AH/883/NOPB 技术参数

是否Rohs认证： 符合生命周期：Obsolete
包装说明：, TO-46,4PIN,SHIELDReach Compliance Code：unknown
风险等级：5.84湿度敏感等级：1
端子数量：4最高工作温度：125 °C
最低工作温度：-55 °C标称输出电压：6.95 V
封装主体材料：METAL封装等效代码：TO-46,4PIN,SHIELD
认证状态：Not Qualified筛选级别：38535Q/M;38534H;883B
子类别：Voltage References技术：BIPOLAR
温度等级：MILITARY微调/可调输出：NO
Base Number Matches：1

LM199AH/883/NOPB 数据手册

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April 2005  
LM199/LM299/LM399  
Precision Reference  
General Description  
The LM199 series are precision, temperature-stabilized  
monolithic zeners offering temperature coefficients a factor  
of ten better than high quality reference zeners. Constructed  
on a single monolithic chip is a temperature stabilizer circuit  
and an active reference zener. The active circuitry reduces  
the dynamic impedance of the zener to about 0.5Ω and  
allows the zener to operate over 0.5 mA to 10 mA current  
range with essentially no change in voltage or temperature  
coefficient. Further, a new subsurface zener structure gives  
low noise and excellent long term stability compared to  
ordinary monolithic zeners. The package is supplied with a  
thermal shield to minimize heater power and improve tem-  
perature regulation.  
power supplies. Further in many cases the LM199 can re-  
place references in existing equipment with a minimum of  
wiring changes.  
The LM199 series devices are packaged in a standard her-  
metic TO-46 package inside a thermal shield. The LM199 is  
rated for operation from −55˚C to +125˚C while the LM299 is  
rated for operation from −25˚C to +85˚C and the LM399 is  
rated from 0˚C to +70˚C.  
Features  
n Guaranteed 0.0001%/˚C temperature coefficient  
n Low dynamic impedance — 0.5Ω  
n Initial tolerance on breakdown voltage — 2%  
n Sharp breakdown at 400 µA  
The LM199 series references are exceptionally easy to use  
and free of the problems that are often experienced with  
ordinary zeners. There is virtually no hysteresis in reference  
voltage with temperature cycling. Also, the LM199 is free of  
voltage shifts due to stress on the leads. Finally, since the  
unit is temperature stabilized, warm up time is fast.  
n Wide operating current — 500 µA to 10 mA  
n Wide supply range for temperature stabilizer  
n Guaranteed low noise  
n Low power for stabilization — 300 mW at 25˚C  
n Proven reliability, low-stress packaging in TO-46  
integrated-circuit hermetic package, for low hysteresis  
The LM199 can be used in almost any application in place of  
ordinary zeners with improved performance. Some ideal  
applications are analog to digital converters, calibration stan-  
dards, precision voltage or current sources or precision  
after thermal cycling. 33 million hours MTBF at TA  
+25˚C (TJ = +86˚C)  
=
Connection Diagram  
Metal Can Package (TO-46)  
00571714  
Top View  
NS Package Number H04D  
Ordering Information  
Order Number Initial Tolerance Ambient Temperature Package Marking Transport Method NSC Package  
LM199AH  
LM199AH/883  
LM299H  
2%  
2%  
2%  
5%  
5%  
-50˚C to +125˚C  
-50˚C to +125˚C  
-25˚C to +85˚C  
0˚C to +70˚C  
LM199AH  
LM199AH/Q  
LM299H  
Box of 500  
Tray of 20  
Box of 500  
Box of 500  
Box of 500  
H04A  
H04A  
H04A  
H04A  
H04A  
LM399AH  
LM399H  
LM399AH  
LM399H  
0˚C to +70˚C  
© 2005 National Semiconductor Corporation  
DS005717  
www.national.com  
1234567...10

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