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LMC6464

更新时间: 2024-11-03 22:47:03
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页数 文件大小 规格书
18页 651K
描述
Micropower, Rail-to-Rail Input and Output CMOS Operational Amplifier

LMC6464 数据手册

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May 1999  
LMC6462 Dual/LMC6464 Quad  
Micropower, Rail-to-Rail Input and Output CMOS  
Operational Amplifier  
General Description  
The LMC6462/4 is a micropower version of the popular  
LMC6482/4, combining Rail-to-Rail Input and Output Range  
with very low power consumption.  
Features  
(Typical unless otherwise noted)  
n Ultra Low Supply Current 20 µA/Amplifier  
n Guaranteed Characteristics at 3V and 5V  
The LMC6462/4 provides an input common-mode voltage  
range that exceeds both rails. The rail-to-rail output swing of  
the amplifier, guaranteed for loads down to 25 k, assures  
maximum dynamic sigal range. This rail-to-rail performance  
of the amplifier, combined with its high voltage gain makes it  
unique among rail-to-rail amplifiers. The LMC6462/4 is an  
excellent upgrade for circuits using limited common-mode  
range amplifiers.  
n Rail-to-Rail Input Common-Mode Voltage Range  
n Rail-to-Rail Output Swing  
=
=
(within 10 mV of rail, VS 5V and RL 25 k)  
n Low Input Current 150 fA  
n Low Input Offset Voltage 0.25 mV  
Applications  
n Battery Operated Circuits  
n Transducer Interface Circuits  
n Portable Communication Devices  
n Medical Applications  
The LMC6462/4, with guaranteed specifications at 3V and  
5V, is especially well-suited for low voltage applications. A  
quiescent power consumption of 60 µW per amplifier (at VS  
=
3V) can extend the useful life of battery operated systems.  
The amplifier’s 150 fA input current, low offset voltage of  
0.25 mV, and 85 dB CMRR maintain accuracy in  
battery-powered systems.  
n Battery Monitoring  
8-Pin DIP/SO  
14-Pin DIP/SO  
DS012051-1  
Top View  
DS012051-2  
Top View  
© 1999 National Semiconductor Corporation  
DS012051  
www.national.com  

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