LMV342MMX/NOPB

Voltage - Input Offset:	700µV
Base Part Number:	LMV342
Supplier Device Package:	8-VSSOP
Package / Case:	8-TSSOP, 8-MSOP (0.118", 3.00mm Width)
Mounting Type:	Surface Mount
Operating Temperature:	-40°C ~ 125°C
Voltage - Supply, Single/Dual (±):	2.7 V ~ 5.5 V
Current - Output / Channel:	113mA
Current - Supply:	107µA
Series:	--
Current - Input Bias:	0.02pA
Gain Bandwidth Product:	1MHz
Slew Rate:	1 V/µs
Output Type:	Rail-to-Rail
Number of Circuits:	2
Amplifier Type:	General Purpose
Part Status:	Active
Packaging:	Tape & Reel (TR)

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The LMV342MMX/NOPB Amplifier

The LMV342MMX/NOPB is a low power, high speed low voltage differential signal amplifier. Primarily developed for use in linear and instrumentation type applications, the LMV342MMX/NOPB has many features that make it suitable for a wide range of projects.

Applications

This amplifier can be used in a variety of applications, ranging from low power general purpose amplifiers to precision instrumentation amplifiers. It has three major uses:

• Op amps
• Buffer amps
• Signal Conditioning

In the first two applications, the LMV342MMX/NOPB can be used to amplify small input voltage signals, and buffer small input sine waves. This is especially helpful for audio applications, as the amplifier can be used to reduce distortion, increase signal to noise ratio, and decrease output impedance. Additionally, having a low voltage differential signal output, this amplifier ensures that such audio signals remain free from any distortion. In signal conditioning applications, the LMV342MMX/NOPB can be used to reduce noise and increase accuracy of a signal conditioning system.

Design features

The LMV342MMX/NOPB is a low power, high speed amplifier which is designed to operate with a 3V differential voltage and up to 8 mA of quiescent current. The operating temperature range of this amplifier is -40°C to +85°C, giving it a substantial operating range. Additionally, the low power consumption, low output offset, low gain drift, and low dc output current are features that make the amplifier appealing to many applications.

Working principle

The LMV342MMX/NOPB low voltage, differential signal amplifier functions by amplifying a small input signal and then converting it to a differential voltage output. This is accomplished by having two inputs, one of which is called the non-inverting input, and one that is called the inverting input. The differential voltage output is created by the difference between the two inputs. The LMV342MMX/NOPB is an ideal amplifier for low power applications as it has a current gain bandwidth product of over 2 MHz. This allows it to accurately track fast changing signals, while still only consuming up to 8 mA of quiescent current. The high input impedance ensures that large external components are unnecessary.

Conclusion

The LMV342MMX/NOPB is an ideal amplifier for low power, low voltage applications. From precision instrumentation amplifiers to high speed analog signal processing, it can be used in a variety of applications. It is designed to operate in a wide temperature range, drawing low power while having a high current gain bandwidth product and low offset voltage. With its many features and low power consumption, it will definitely prove to be a reliable companion in many engineering projects.

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