NAU7802KGI

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Analog to Digital Converters (ADCs) are devices used to convert analog signals into digital signals. They have various applications, from in consumer electronics to industrial automation. The NAU7802KGI is a new ADC from Nuvoton that offers high levels of accuracy and low power consumption. This article will cover the application fields and working principles of the NAU7802KGI ADC.

The NAU7802KGI is a single channel 24-bit ADC device intended for high accuracy requirements such as medical and automotive applications. It features an ultra-low power architecture that allows for operation from a single supply source and a wide input common mode range that covers the typical automotive supply voltage range. The NAU7802KGI has a built-in temperature sensor, allowing for calibration of the device over a wide range of temperature variations. The device also has a digital filter function to reduce out-of-band noise.

The NAU7802KGI is suitable for use in automotive, industrial automation, and medical applications. In the automotive sector, it can be used for applications such as motor control, vehicle powertrain monitoring, and battery monitoring. In industrial automation, the device is suitable for applications such as motor control, pressure measurement, and process control. In medical applications, the device can be used for applications such as patient monitoring and medical device control.

The working principle of the NAU7802KGI ADC is based on the delta-sigma conversion technique. This technique involves a sampling and filtering process, followed by a quantization step to convert the analog signal into a digital signal. The sampling and filtering process is designed to reduce the noise present in the input signal and ensure the accuracy of the ADC conversion. The quantization step is used to convert the analog input signal into a digital signal by dividing the signal’s voltage range into discrete steps. The output of the ADC is a digital signal consisting of a sequence of zeros and ones representing the input signal’s voltage level.

In addition to the delta-sigma conversion technique, the NAU7802KGI also features a digital filter which is used to reduce out-of-band noise at the output of the ADC. This is done by filtering out the high frequency components of the input signal, resulting in a more accurate and noiseless output signal. The filter settings can be adjusted via the device\'s configuration registers.

The NAU7802KGI is a high accuracy ADC device that offers a low power consumption, wide input common mode range, and advanced digital filter capabilities. Its wide range of features make it suitable for various applications in the automotive, industrial automation, and medical sectors.

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