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LMP7707 PDF预览

LMP7707

更新时间: 2024-11-04 03:51:43
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美国国家半导体 - NSC 放大器
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24页 1536K
描述
Precision, CMOS Input, RRIO, Wide Supply Range Decompensated Amplifiers

LMP7707 数据手册

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June 2007  
LMP7707/LMP7708/LMP7709  
Precision, CMOS Input, RRIO, Wide Supply Range  
Decompensated Amplifiers  
General Description  
Features  
The LMP7707/LMP7708/LMP7709 devices are single, dual,  
and quad low offset voltage, rail-to-rail input and output pre-  
cision amplifiers which each have a CMOS input stage and a  
wide supply voltage range. The LMP7707/LMP7708/  
LMP7709 are part of the LMP® precision amplifier family and  
are ideal for sensor interface and other instrumentation ap-  
plications. These decompensated amplifiers are stable at a  
gain of 6 and higher.  
Unless otherwise noted, typical values at VS = 5V.  
Input offset voltage (LMP7707)  
Input offset voltage (LMP7708/LMP7709) ±220 µV (max)  
Input bias current  
Input voltage noise  
CMRR  
Open loop gain  
Temperature range  
Gain bandwidth product (AV =10)  
Stable at a gain of 10 or higher  
Supply current (LMP7707)  
Supply current (LMP7708)  
Supply current (LMP7709)  
Supply voltage range  
Rail-to-rail input and output  
±200 µV (max)  
±200 fA  
9 nV/Hz  
130 dB  
130 dB  
−40°C to 125°C  
14 MHz  
The guaranteed low offset voltage of less than ±200 µV along  
with the guaranteed low input bias current of less than ±1 pA  
make the LMP7707/LMP7708/LMP7709 ideal for precision  
applications. The LMP7707/LMP7708/LMP7709 are built uti-  
lizing VIP50 technology, which allows the combination of a  
CMOS input stage and a supply voltage range of 12V with  
rail-to-rail common mode voltage capability. The LMP7707/  
LMP7708/LMP7709 are the perfect choice in many applica-  
tions where conventional CMOS parts cannot operate due to  
the voltage conditions.  
715 µA  
1.5 mA  
2.9 mA  
2.7V to 12V  
Applications  
The unique design of the rail-to-rail input stage of each of the  
LMP7707/LMP7708/LMP7709 significantly reduces the CM-  
RR glitch commonly associated with rail-to-rail input ampli-  
fiers. Both sides of the complimentary input stage have been  
trimmed, thereby reducing the difference between the NMOS  
and PMOS offsets. The output swings within 40 mV of either  
rail to maximize the signal dynamic range in applications re-  
quiring low supply voltage.  
High impedance sensor interface  
Battery powered instrumentation  
High gain amplifiers  
DAC buffer  
Instrumentation amplifier  
Active filters  
The LMP7707 is offered in the space saving 5-Pin SOT23  
package, the LMP7708 is offered in the 8-Pin MSOP and the  
quad LMP7709 is offered in the 14-Pin TSSOP package.  
These small packages are ideal solutions for area con-  
strained PC boards and portable electronics.  
Open Loop Frequency Response  
Increased Bandwidth for Same Supply Current2a02t03A76V4> 10  
LMP® is a registered trademark of National Semiconductor Corporation.  
© 2007 National Semiconductor Corporation  
202037  
www.national.com  

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