LMP92018SQ/NOPB

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LMP92018SQ/NOPB, a low-power 20-bit buffered sigma-delta (Σ-Δ) analog-to-digital converter (ADC), is an integrated circuit intended for use in industrial applications such as process control, medical instrumentation, test and measurement, and process automation. It is a versatile tool that combines the features of a precision high-speed, low-power ADC with programmable gain amplifier (PGA) and a low-side current sense amplifier (CSA). As such, it enables the user to rapidly and accurately monitor the signal coming into and out of the system.

The main application field of the LMP92018SQ/NOPB is in signal conditioning and data acquisition systems. It is a high-speed, low-power ADC with a programmable gain amplifier and low-side current sense amplifier. It provides low-power operation, high linearity, and flexibility, which makes it suitable for applications such as process control, medical instrumentation, and test and measurement. The ADC can be used to measure both analog and digital signals, such as temperature, pressure, voltage, current, and frequency.

The working principle of the LMP92018SQ/NOPB is based on the sigma-delta (Σ-Δ) modulator. A sigma-delta modulator is an analog-to-digital converter which operates using pulse density modulation. A sigma-delta ADC can be used to convert an analog signal into a digital signal by repeatedly measuring and quantizing the signal. The LMP92018SQ/NOPB uses a dual-slope sigma-delta modulator, which is different from the usual one-slope sigma-delta modulator. The dual-slope sigma-delta modulator consists of two integrators, one operating in forward direction and the other operating in reverse direction. The result of the integration operation is a relative measure of the signal amplitude.

The PGA of the LMP92018SQ/NOPB can be configured to provide a range of gains. This allows the user to configure the device for different gain ranges, such as 0-1, 0-2,-3, 0-4, and 0-5 V/V. The low-side current sense amplifier (CSA) of the device can be used to measure low-level currents, such as in motor drives, power supplies, and analog circuits. Additionally, the device includes an input stage filter to reduce the noise from the signal source.

The LMP92018SQ/NOPB is an ideal tool for data acquisition and signal conditioning applications requiring low-power and high-speed performance. This device provides a high linearity and flexibility, allowing it to be used in a variety of industrial applications. In addition, its low-power, high linearity, and flexibility make it suitable for a wide range of signal conditioning applications. The flexibility of the PGA allows it to be effectively used in signal conditioning systems with a wide range of gain ranges.

In conclusion, the LMP92018SQ/NOPB is an ideal tool for data acquisition and signal conditioning applications requiring low-power and high-speed performance. Its integrated features such as programmable gain amplifier, low-side current sense amplifier, and input stage filter enable the user to quickly and accurately measure the signal coming into and out of the system. The sigma-delta modulator used in the device ensures accurate and low-power performance, and the PGA allows for flexibility in gain ranges. All these features make the LMP92018SQ/NOPB the perfect device for a wide range of industrial applications.

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