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LMP2232BMAE PDF预览

LMP2232BMAE

更新时间: 2024-11-04 03:51:43
品牌 Logo 应用领域
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页数 文件大小 规格书
20页 800K
描述
Micropower, 1.8V, Precision, Operational Amplifier with CMOS Input

LMP2232BMAE 数据手册

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January 15, 2008  
LMP2232 Dual  
Micropower, 1.8V, Precision, Operational Amplifier with  
CMOS Input  
General Description  
The LMP2232 is a dual micropower precision amplifier de-  
signed for battery powered applications. The 1.8V to 5.0V  
guaranteed supply voltage range and quiescent power con-  
sumption of only 29 μW extend the battery life in portable  
systems. The LMP2232 is part of the LMP® precision amplifier  
family. The high impedance CMOS input makes it ideal for  
instrumentation and other sensor interface applications.  
Features  
(For VS = 5V, Typical unless otherwise noted)  
Supply current (per channel)  
Operating voltage range  
Low TCVOS  
VOS  
Input bias current  
PSRR  
CMRR  
Open loop gain  
Gain bandwidth product  
Slew rate  
Input voltage noise, f = 1 kHz  
Temperature range  
10 µA  
1.6V to 5.5V  
±0.5 µV/°C (max)  
±150 µV (max)  
20 fA  
120 dB  
97 dB  
120 dB  
130 kHz  
The LMP2232 has a maximum offset voltage of 150 μV and  
maximum offset voltage drift of only 0.5 μV/°C along with low  
bias current of only ±20 fA. These precise specifications make  
the LMP2232 a great choice for maintaining system accuracy  
and long term stability.  
58 V/ms  
60 nV/Hz  
–40°C to 125°C  
The LMP2232 has a rail-to-rail output that swings 15 mV from  
the supply voltage, which increases system dynamic range.  
The common mode input voltage range extends 200 mV be-  
low the negative supply, thus the LMP2232 is ideal for ground  
sensing in single supply applications.  
Applications  
Precision instrumentation amplifiers  
The LMP2232 is offered in 8-pin SOIC and MSOP packages.  
Battery powered medical instrumentation  
High impedance sensors  
The LMP2231 is the single version of this product and the  
LMP2234 is the quad version of this product. Both of these  
products are available on National Semiconductor's website.  
Strain gauge bridge amplifier  
Thermocouple amplifiers  
Typical Application  
30033974  
Strain Gauge Bridge Amplifier  
LMP® is a registered trademark of National Semiconductor Corporation.  
© 2008 National Semiconductor Corporation  
300339  
www.national.com  

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