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LMV7235M5X PDF预览

LMV7235M5X

更新时间: 2024-11-01 22:47:03
品牌 Logo 应用领域
美国国家半导体 - NSC 比较器
页数 文件大小 规格书
12页 323K
描述
45ns, Ultra Low Power, Low Voltage, Rail-to-Rail Input Comparator with Open-Drain/Push-Pull Output

LMV7235M5X 数据手册

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February 2002  
LMV7235/LMV7239  
45ns, Ultra Low Power, Low Voltage, Rail-to-Rail Input  
Comparator with Open-Drain/Push-Pull Output  
General Description  
Features  
The LMV7235/39 are ultra low power, low voltage, 45ns  
comparators. They are guaranteed to operate over the full  
supply voltage range of 2.7V to 5V. These devices achieve a  
45ns propagation delay while consuming only 65µA of sup-  
ply current at 5V.  
(VS = 5V, TA = 25˚C, Typical values unless otherwise speci-  
fied)  
n Propagation delay  
n Low supply current  
n Rail-to-Rail input  
45ns  
65µA  
The LMV7235/39 have a greater than rail-to-rail common  
mode voltage range. The input common mode voltage range  
extends 200mV below ground and 200mV above supply,  
allowing both ground and supply sensing.  
n Open drain and push-pull output  
n Ideal for 2.7V and 5V single supply applications  
n Available in space saving packages: 5-pin SOT23-5  
and 5-pin SC70-5  
The LMV7235 features an open drain output. By connecting  
an external resistor, the output of the comparator can be  
used as a level shifter.  
Applications  
n Portable and battery powered systems  
n Scanners  
The LMV7239 features a push-pull output stage. This feature  
allows operation without the need of an external pull-up  
resistor.  
n Set top boxes  
n High speed differential line receiver  
n Window comparators  
n Zero-crossing detectors  
n High speed sampling circuits  
The LMV7235/39 are available in the SC70-5 and SOT23-5  
packages, which are ideal for systems where small size and  
low power is critical.  
Typical Application  
10135902  
© 2002 National Semiconductor Corporation  
DS101359  
www.national.com  

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