LMR822FJ-GE2

Current - Input Bias:	30nA
Supplier Device Package:	8-SOP-J
Package / Case:	8-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	2.5 V ~ 5.5 V
Current - Output / Channel:	26mA
Current - Supply:	560µA
Voltage - Input Offset:	1mV
Series:	--
Gain Bandwidth Product:	5MHz
Slew Rate:	2 V/µs
Output Type:	--
Number of Circuits:	2
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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LMR822FJ-GE2 Application Field and Working Principle

I. Introduction

The LMR822FJ-GE2 is a low power consumption generic linear amplifier from Texas Instruments (TI). It has been designed to provide general purpose signal amplification and signal conditioning for both small and large applications. This document will discuss the application field and working principle of the amplifier, as well as its key features.

II. Application Field

The application field of the LMR822FJ-GE2 can be divided into two main categories: small and large applications.

A. Small Applications

The LMR822FJ-GE2 is suitable for small applications, such as data acquisition and signal conditioning. Its low power consumption makes it ideal for battery-powered mobile applications. It is also suitable for low power applications, such as remote sensing and data collection.

B. Large Applications

The LMR822FJ-GE2 can also be used in larger, more complex applications. It can be used to amplify and condition signals in industrial process control and monitoring, as well as other large-scale applications.

III. Working Principle

The LMR822FJ-GE2 is a generic type of amplifier, meaning it can function as a voltage or current amplifier, depending on the circumstance. It takes an input signal, amplifies it and outputs either a larger voltage or current.The amplifier is based on a three-stage differential design, with a differential input stage, a current source output stage, and an output stage with a voltage gain of less than one. The three-stage design allows for improved stability and signal linearity, resulting in a lower distortion of the output signal. The amplifier also has a low power consumption design, with a quiescent current of only 0.10mA. This makes it suitable for battery operated applications that need to conserve power.

IV. Key Features

The LMR822FJ-GE2 has several key features that make it suitable for both small and large applications.The amplifier offers low noise, high speed response, excellent linearity, with a total harmonic distortion of 0.001%, and a wide common-mode range (down to -18V). These features make the amplifier suitable for a variety of applications, from low-level signal conditioning to high-level signal amplification.The amplifier also offers a wide bandwidth, allowing for better signal accuracy and more accurate signal transfer at high frequencies. It also features a high input impedance of 25MΩ, which allows for easier and more accurate signal measurement. The amplifier is also configurable, allowing for a wide range of configurations, such as single-ended input and dual-ended output, or vice versa.

V. Conclusion

The LMR822FJ-GE2 is a low power generic linear amplifier from Texas Instruments. It is suitable for both small and large applications, such as data acquisition, signal conditioning, process control and monitoring. It has a three-stage design and a low power consumption of 0.10mA, making it ideal for battery powered applications. It also has several key features, such as low noise, high speed response, excellent linearity, wide common-mode range, and configurability, making it suitable for a variety of applications.

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