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LM311M

更新时间： 2024-11-17 22:47:07
品牌 Logo 应用领域
美国国家半导体 - NSC 比较器
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23页 1085K
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Voltage Comparator

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中文翻译

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LM311M 数据手册

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January 2001  
LM111/LM211/LM311  
Voltage Comparator  
1.0 General Description  
The LM111, LM211 and LM311 are voltage comparators that  
have input currents nearly a thousand times lower than  
devices like the LM106 or LM710. They are also designed to  
operate over a wider range of supply voltages: from standard  
15V op amp supplies down to the single 5V supply used for  
IC logic. Their output is compatible with RTL, DTL and TTL  
as well as MOS circuits. Further, they can drive lamps or  
relays, switching voltages up to 50V at currents as high as  
50 mA.  
the devices are also much less prone to spurious oscilla-  
tions. The LM111 has the same pin configuration as the  
LM106 and LM710.  
The LM211 is identical to the LM111, except that its perfor-  
mance is specified over a −25˚C to +85˚C temperature range  
instead of −55˚C to +125˚C. The LM311 has a temperature  
range of 0˚C to +70˚C.  
2.0 Features  
n Operates from single 5V supply  
n Input current: 150 nA max. over temperature  
n Offset current: 20 nA max. over temperature  
n Differential input voltage range: 30V  
n Power consumption: 135 mW at 15V  
Both the inputs and the outputs of the LM111, LM211 or the  
LM311 can be isolated from system ground, and the output  
can drive loads referred to ground, the positive supply or the  
negative supply. Offset balancing and strobe capability are  
provided and outputs can be wire OR’ed. Although slower  
than the LM106 and LM710 (200 ns response time vs 40 ns)  
3.0 Typical Applications (Note 3)  
Offset Balancing  
Strobing  
00570436  
00570437  
Note: Do Not Ground Strobe Pin. Output is turned off when current is  
pulled from Strobe Pin.  
Increasing Input Stage Current (Note 1)  
Detector for Magnetic Transducer  
00570438  
Note 1: Increases typical common mode slew from 7.0V/µs to 18V/µs.  
00570439  
© 2004 National Semiconductor Corporation  
DS005704  
www.national.com  
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LM311M 替代型号

型号 品牌 替代类型 描述 数据表
LM311DRG4 TI

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 DIFFERENTIAL COMPARATORS WITH STROBES
LM311DR TI

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 DIFFERENTIAL COMPARATORS WITH STROBES
LP311D TI

功能相似

 LOW-POWER DIFFERENTIAL COMPARATORS WITH STROBES

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