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LMV834

更新时间： 2024-11-26 12:46:35
品牌 Logo 应用领域
德州仪器 - TI 运算放大器
页数 文件大小 规格书
27页 1391K
描述
LMV831 Single/ LMV832 Dual/ LMV834 Quad 3.3 MHz Low Power CMOS, EMI Hardened Operational Amplifiers

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LMV831, LMV832, LMV834  
www.ti.com  
SNOSAZ6B –AUGUST 2008–REVISED MARCH 2013  
LMV831 Single/ LMV832 Dual/ LMV834 Quad 3.3 MHz Low Power CMOS, EMI Hardened  
Operational Amplifiers  
Check for Samples: LMV831, LMV832, LMV834  
1
FEATURES  
DESCRIPTION  
TI’s LMV831, LMV832, and LMV834 are CMOS input,  
low power op amp IC's, providing a low input bias  
current, a wide temperature range of −40°C to 125°C  
and exceptional performance making them robust  
2
•
Unless Otherwise Noted, Typical Values at TA=  
25°C, V+ = 3.3V  
•
•
•
•
•
•
•
•
•
•
•
Supply Voltage 2.7V to 5.5V  
Supply Current (per Channel) 240 µA  
Input Offset Voltage 1 mV Max  
Input Bias Current 0.1 pA  
GBW 3.3 MHz  
general  
purpose  
parts.  
Additionally,  
the  
LMV831/LMV832/LMV834 are EMI hardened to  
minimize any interference so they are ideal for EMI  
sensitive applications.  
The unity gain stable LMV831/LMV832/LMV834  
feature 3.3 MHz of bandwidth while consuming only  
0.24 mA of current per channel. These parts also  
maintain stability for capacitive loads as large as 200  
pF. The LMV831/LMV832/LMV834 provide superior  
performance and economy in terms of power and  
space usage.  
EMIRR at 1.8 GHz 120 dB  
Input Noise Voltage at 1 kHz 12 nV/√Hz  
Slew Rate 2 V/µs  
Output Voltage Swing Rail-to-Rail  
Output Current Drive 30 mA  
Operating Ambient Temperature Range −40°C  
to 125°C  
This family of parts has a maximum input offset  
voltage of 1 mV, a rail-to-rail output stage and an  
input common-mode voltage range that includes  
ground. Over an operating range from 2.7V to 5.5V  
the LMV831/LMV832/LMV834 provide a PSRR of 93  
dB, and a CMRR of 91 dB. The LMV831 is offered in  
the space saving 5-Pin SC70 package, the LMV832  
in the 8-Pin VSSOP and the LMV834 is offered in the  
14-Pin TSSOP package.  
APPLICATIONS  
•
•
•
Photodiode Preamp  
Piezoelectric Sensors  
Portable/Battery-Powered Electronic  
Equipment  
•
•
Filters/Buffers  
PDAs/Phone Accessories  
Typical Application  
R1  
+
V
NO RF RELATED  
DISTURBANCES  
R2  
PRESSURE  
SENSOR  
-
-
-
+
+
ADC  
+
EMI HARDENED  
EMI HARDENED  
INTERFERING  
RF SOURCES  
Figure 1. EMI Hardened Sensor Application  
1
Please be aware that an important notice concerning availability, standard warranty, and use in critical applications of  
Texas Instruments semiconductor products and disclaimers thereto appears at the end of this data sheet.  
All trademarks are the property of their respective owners.  
2
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of the Texas  
Instruments standard warranty. Production processing does not  
necessarily include testing of all parameters.  
Copyright © 2008–2013, Texas Instruments Incorporated  
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