LMP8100MAX/NOPB

Voltage - Input Offset:	50µV
Base Part Number:	LMP8100
Supplier Device Package:	14-SOIC
Package / Case:	14-SOIC (0.154", 3.90mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 85°C
Voltage - Supply, Single/Dual (±):	2.7 V ~ 5.5 V, ±1.35 V ~ 2.75 V
Current - Output / Channel:	20mA
Current - Supply:	5.3mA
Series:	LMP®
Current - Input Bias:	0.1pA
Gain Bandwidth Product:	33MHz
Slew Rate:	12 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	1
Amplifier Type:	Programmable Gain
Part Status:	Obsolete
Packaging:	Tape & Reel (TR)

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Introduction

The LMP8100MAX/NOPB is an integrated amplifier and comparator circuit designed to operate as an Electronic Instrumentation Amplifier (IAMP), an instrumentation amplifier having the highest level of accuracy for use in laboratory or production facility measurements.

Application Field

The LMP8100MAX/NOPB can be used in a broad range of applications, from low voltage signal processing to high voltage applications such as AC line monitoring. It is commonly used in test and measurement as an instrumentation amplifier as well as in power supplies , variacs, resistive dividers and surge protection equipment. It can also be used for low to medium level current measurements, including motor control current measurements and voltage measurements.

Working Principle

The LMP8100MAX/NOPB amplifies a differential signal input, drives an output buffer, and accurately compares the signals present in the resulting voltage. The input differential signal is amplified and compared between two reference voltages, referred to as the high and low threshold levels. When the input signal voltage exceeds either the high or low reference voltages, the comparator output changes state. This change in state is determined by user-defined hysteresis, referenced via the hysteresis input.The common mode input voltage range includes up to several hundred millivolts and is limited to 2Vpp and down to -2Vpp in differential input mode. The amplifier gain is internally adjusted to a set value to maintain the fidelity of the signal processing and comparison. The amplifier has an output buffer that amplifies the outputted signal in order to drive a current or voltage-controlled load, such as a relays and motor controllers.

Conclusion

The LMP8100MAX/NOPB is a versatile device that can be used for a variety of applications where accurate signal processing and comparison is required. It is ideal for both low voltage and high voltage applications with its wide range of input voltage and its adjustable gain. The output buffer ensures that signals can be accurately outputted to drive other components such as motors and relays.

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