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LMP7704

更新时间： 2024-11-22 12:09:51
品牌 Logo 应用领域
德州仪器 - TI 放大器
页数 文件大小 规格书
35页 1221K
描述
LMP7701/LMP7702/LMP7704 Precision, CMOS Input, RRIO, Wide Supply Range Amplifiers

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LMP7701, LMP7702, LMP7704  
www.ti.com  
SNOSAI9H –SEPTEMBER 2005–REVISED MARCH 2013  
LMP7701/LMP7702/LMP7704 Precision, CMOS Input, RRIO, Wide Supply Range Amplifiers  
Check for Samples: LMP7701, LMP7702, LMP7704  
1
FEATURES  
DESCRIPTION  
The LMP7701/LMP7702/LMP7704 are single, dual,  
and quad low offset voltage, rail-to-rail input and  
output precision amplifiers each with a CMOS input  
23  
•
Unless Otherwise Noted,  
Typical Values at VS = 5V  
–
Input Offset Voltage (LMP7701): ±200 µV  
(max)  
stage and  
a wide supply voltage range. The  
LMP7701/LMP7702/LMP7704 are part of the LMP™  
precision amplifier family and are ideal for sensor  
interface and other instrumentation applications.  
–
Input Offset Voltage (LMP7702/LMP7704):  
±220 µV (max)  
–
–
–
–
–
–
–
–
–
–
–
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Input Bias Current: ±200 fA  
Input Bias Current: ±200 fA  
Input Voltage Noise: 9 nV/√Hz  
CMRR: 130 dB  
The specified low offset voltage of less than ±200 µV  
along with the specified low input bias current of less  
than ±1 pA make the LMP7701 ideal for precision  
applications. The LMP7701/LMP7702/LMP7704 are  
built utilizing VIP50 technology, which allows the  
combination of a CMOS input stage and a 12V  
common mode and supply voltage range. This makes  
the LMP7701/LMP7702/LMP7704 great choices in  
many applications where conventional CMOS parts  
cannot operate under the desired voltage conditions.  
Open Loop Gain: 130 dB  
Temperature Range: −40°C to 125°C  
Unity Gain Bandwidth: 2.5 MHz  
Supply Current (LMP7701): 715 µA  
Supply Current (LMP7702): 1.5 mA  
Supply Current (LMP7704): 2.9 mA  
Supply Voltage Range: 2.7V to 12V  
Rail-to-Rail Input and Output  
The LMP7701/LMP7702/LMP7704 each have a rail-  
to-rail input stage that significantly reduces the CMRR  
glitch commonly associated with rail-to-rail input  
amplifiers. This is achieved by trimming both sides of  
the complimentary input stage, thereby reducing the  
difference between the NMOS and PMOS offsets.  
The output of the LMP7701/LMP7702/LMP7704  
swings within 40 mV of either rail to maximize the  
signal dynamic range in applications requiring low  
supply voltage.  
APPLICATIONS  
•
•
•
•
•
•
High Impedance Sensor Interface  
Battery Powered Instrumentation  
High Gain Amplifiers  
DAC Buffer  
The LMP7701 is offered in the space saving 5-Pin  
SOT-23 and 8-Pin SOIC package. The LMP7702 is  
offered in the 8-Pin SOIC and 8-Pin VSSOP package.  
The quad LMP7704 is offered in the 14-Pin SOIC and  
14-Pin TSSOP package. These small packages are  
ideal solutions for area constrained PC boards and  
portable electronics.  
Instrumentation Amplifier  
Active Filters  
These devices have limited built-in ESD protection. The leads should be shorted together or the device placed in conductive foam  
during storage or handling to prevent electrostatic damage to the MOS gates.  
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.  
2
3
LMP is a trademark of Texas Instruments.  
All other trademarks are the property of their respective owners.  
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 © 2005–2013, Texas Instruments Incorporated  
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