LMV842MAX/NOPB

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LMV842MAX/NOPB is an advanced, ultra-low noise dual operational amplifier. It is widely used in a variety of applications such as audio line level interfacing, active filters, mic/line preamplification, video signal processing, and instrumentation. The wide supply voltage (Vcc) range of 1.8V to 5.5V and ultra-low noise performance (only 3.5 nV/√Hz at 1 kHz) make it highly suitable for demanding signal amplification requirements. This article will discuss the application field and working principle of LMV842MAX/NOPB.

Application Field

The LMV842MAX/NOPB has a wide range of applications due to its versatile performance. Its low input voltage noise, low output impedance, low distortion and low output noise, enable it to be used in precision signal conditioning applications such as audio line level interfacing, active filters, and mic/line amplification. It is also highly suitable for video signal processing and instrumentation due to its wide gain bandwidth and high slew rate, making it capable of fast signal processing operations. The excellent ESD performance (up to 8 kV HBM) makes it suitable for use in a host of applications where high EMC noise is present or expected .

Some of the most common applications of LMV842MAX/NOPB include:

• Audio Line Level Interfacing
• Active Filters
• Mic/Line Pre-amplification
• Video Signal Processing
• Instrumentation
• Output Buffer/Amplifier
• Signal Conditioning

Working Principle

The LMV842MAX/NOPB operates in a dual operational amplifier configuration, allowing it to be used in various applications. The two channels of the amplifier can be used in either a single-ended or differential configuration. The amplifier has a wide supply voltage range of 1.8V to 5.5V and a wide gain bandwidth of up to 6 MHz, allowing it to handle fast signal processing operations. Additionally, the amplifier has an ultra-low input voltage noise of only 3.5 nV/√Hz at 1 kHz and a low output impedance of only 10Ω, enabling it to handle low noise signal conditioning applications.

The LMV842MAX/NOPB has a wide range of features that make it suitable for a variety of applications. It has an impressive common-mode input range of -0.3V to +6V, allowing it to be used in a range of AC/DC differential signals. Additionally, the amplifier has a high impedance output capable of driving up to 10mA loads. The LMV842MAX/NOPB has an excellent output short circuit protection with a maximum short circuit current of 40mA. It also has an impressive ESD performance (up to 8 kV HBM) that makes it suitable for use in environments with high EMC noise.

The LMV842MAX/NOPB is highly suitable for a range of linear amplifier, instrumentation, and output buffer/amplifier applications due to its wide gain bandwidth, low noise performance, and high ESD protection. The excellent electrical performance and robust features of the amplifier make it a popular choice for any designer looking for a reliable low noise operational amplifier.

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