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LM385-2.5LP PDF预览

LM385-2.5LP

更新时间: 2024-02-04 00:04:45
品牌 Logo 应用领域
其他 - ETC /
页数 文件大小 规格书
7页 156K
描述
Voltage Reference - Micropower

LM385-2.5LP 技术参数

是否Rohs认证:符合生命周期:Contact Manufacturer
Reach Compliance Code:compliant风险等级:5.81
Is Samacsys:N端子数量:3
最高工作温度:85 °C最低工作温度:-40 °C
标称输出电压:2.5 V封装主体材料:PLASTIC/EPOXY
封装等效代码:SIP3,.1,50认证状态:Not Qualified
子类别:Voltage References表面贴装:NO
温度等级:INDUSTRIAL端子节距:1.27 mm
端子位置:SINGLE微调/可调输出:NO
最大电压容差:2%Base Number Matches:1

LM385-2.5LP 数据手册

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LIN DOC #: 385  
LM385/385B  
1.2 & 2.5V MICROPOWER  
V
OLTAGE  
R
EFERENCE  
T H E I N F I N I T E P O W E R O F I N N O V A T I O N  
P R O D U C T I O N D A T A S H E E T  
DESCRIPTION  
KEY FEATURES  
GUARANTEED 1% INITIAL ACCURACY  
The LM385/385B Micropower Voltage  
References are two terminal bandgap  
reference diodes designed and optimized  
for accurate low power operation in  
portable and other power sensitive  
systems. Operating currents are  
guaranteed from as low as 15µA up to  
20mA for the LM385/385B-1.2, and 20µA  
up to 20mA for the LM385/385B-2.5,  
giving designers a great deal of flexibility  
in optimizing power consumption, noise  
andultimateapplicationperformance. As  
an added feature, the references output  
impedanceisextraordinarilylowoverthe  
entire operating range of quiescent  
currents. This enables an extremely wide  
dynamic load range with little effect on  
the overall reference accuracy.  
The LM385 family is available in fixed  
(LM385B-1.2)  
GUARANTEED 2.5% INITIAL ACCURACY  
(LM385-1.2)  
GUARANTEED 1.5% INITIAL ACCURACY  
(LM385B-2.5)  
GUARANTEED 3% INITIAL ACCURACY  
(LM385-2.5)  
p GUARANTEED 20µA OPERATING CURRENT  
p LOW TEMPERATURE COEFFICIENT  
1.2V and 2.5V reference values. Process  
and circuit design optimization provide  
for high accuracy with initial tolerance  
values of 1% for the LM385B-1.2, 2% for  
the LM385-1.2, 1.5% for the LM385B-2.5,  
and  
3%  
for  
the  
LM385-2.5.  
Complementing their initial accuracy, the  
bandgap reference is temperature  
compensated to deliver 20ppm  
performance over the 0° to 70°C  
operating temperature range.  
The LM385 family from Linfinity is a  
pin-for-pin replacement for the LM385/  
385B family of voltage references.  
p OPERATING CURRENT OF 20µA TO 20mA  
p VERY LOW DYNAMIC IMPEDANCE . . . 1  
APPLICATIONS  
PORTABLE METER REFERENCES  
p PORTABLE TEST INSTRUMENTS  
p BATTERY OPERATED SYSTEMS  
p CURRENT LOOP INSTRUMENTATION  
PRODUCT HIGHLIGHT  
MICROPOWER REFERENCE FROM  
1.2V REFERENCE  
9V BATTERY  
9V  
5V  
200k  
38k  
2.5V  
1.2V  
LM385-2.5V  
LM385-1.2V  
PACKAGE ORDER INFORMATION  
Reference  
Voltage  
Initial  
Tolerance  
Plastic SOIC  
8-pin  
Plastic TO-92  
LP  
3-pin  
TA (°C)  
DM  
±±30V  
±120V  
±750V  
±±80V  
LM±85DM-1.2  
LM±85BDM-1.2  
LM±85DM-2.5  
LM±85BDM-2.5  
LM±85LP-1.2  
LM±85BLP-1.2  
LM±85LP-2.5  
LM±85BLP-2.5  
1.2V  
3 to 73  
2.5V  
Note: All surface-mount packages are available in Tape & Reel.  
Append the letter "T" to part number. (i.e. LM385DM-2.5T)  
F O R F U R T H E R I N F O R M AT I O N C A L L ( 7 1 4 ) 8 9 8 - 8 1 2 1  
Copyright © 1996  
Rev. 1.2 7/96  
1
11861 WESTERN AVENUE, GARDEN GROVE, CA. 92841  

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