LMP90077MHE/NOPB Integrated Circuits (ICs)

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Data Acquisition – Analog Front End (AFE)

The LMP90077MHE/NOPB is a precision analog front end (AFE) designed for signal acquisition applications that require accuracy, dynamic performance, low noise and high signal handling capability. This application field and working principle will be explained further in this article.

Application Field:

The main application field of the LMP90077MHE/NOPB is signal acquisition. This device is designed to accurately capture a signal with input bandwidth up to 10 MHz and has the capability to handle peak signals up to 10 V. The LMP90077MHE/NOPB is especially suitable for applications requiring wide dynamic ranges, high accuracy and low noise such as strain gage signal acquisition, thermocouple data measurement, 4-20mA signal analysis, communications receivers and other sensor signal analysis.

Working Principle of the LMP90077MHE/NOPB:

The LMP90077MHE/NOPB is composed of two main sections that function together. The first section is the analog front-end (AFE). The AFE is responsible for conditioning the input signal and providing a low-noise signal for further signal processing. The AFE features an adjustable gain stage that allows for signal adaptation to the signal range desired. It also features a low-noise voltage-to-current converter that provides a low-noise output signal. The second section of the device is the analog-to-digital converter (ADC). The ADC converts the conditioned signal from the AFE into a digital signal for further signal processing. The ADC features a sample-and-hold circuit that provides stable signals for each conversion. The ADC also features a programmable digital filter for signal noise reduction.

The LMP90077MHE/NOPB also includes several control signals and status output pins that allow it to be integrated easily into systems. These control pins provide flexibility in signal sampling and timing. The device also includes various safety features such as overvoltage, over temperature and over current protection.

In summary, by combining the high performance AFE and ADC sections, the LMP90077MHE/NOPB is an ideal solution for signal acquisition applications. It is highly accurate and reliable, while also providing low noise and high signal handling capability. The LMP90077MHE/NOPB is able to support a wide range of applications including data acquisition, communications receivers, thermocouple data measurement, 4-20mA signal analysis and other sensor signal analysis.

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