AD7790BRMZ

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Analog to Digital Converters (ADC) have a wide range of applications. The technology behind these devices has enabled innovative applications that range from consumer electronics to industrial sensors. The AD7790BRMZ is an example of an advanced analog-to-digital converter that is designed for use in commercial and industrial applications. This article will explore the application field and working principle of the AD7790BRMZ.

The AD7790BRMZ is an 8-bit, successive-approximation, analog-to-digital (ADC) converter. It has a maximum sampling rate of 200 kips (kHz) and is specified over the temperature range of -40C to +85C. It features gain and offset trim, as well as temperature compensation. The device also features an integrated, fully differential input amplifier and a selectable bandwidth filter that is designed to reject external noise, thus providing reliable performance. The ADC is coupled with an on-chip, low-power comparator designed to provide fast conversion times and high accuracy.

The AD7790BRMZ is suitable for applications in a wide variety of industries, ranging from medical to industrial. In medical applications, it can be used for signal acquisition from percussive pressure and ECG devices, as well as signal processing from thermocouples in imaging devices. In industrial applications, the ADC can be used for signal acquisition from temperature, pressure, and position sensors, and signal processing from signal conditioning controllers.

The AD7790BRMZ works based on the successive approximation principle. During each conversion cycle, the device samples the analog input voltage, converts it to a digital code, and then stores the digital code in its internal memory. The ADC begins each conversion cycle by sampling the input voltage and converting it to an equivalent digital code. The code is then stored in an internal register, which is then succeeded by the successive approximation comparison cycle. This comparison cycle consists of iterative operations that involve comparing the input signal to a reference voltage. The on-chip comparator is then used to compare the two values, each time making a guess at the digital code until the input voltage is matched. This process is repeated until the digital code stored in the internal memory matches the input voltage. The resulting digital output can then be read from the outputs of the AD7790BRMZ.

The AD7790BRMZ is a high-performance, reliable solution for applications requiring the conversion of analog signals to digital data. Its integrated on-chip components allow for fast conversion times, high accuracy, and low power consumption. The device is suitable for a wide range of applications in various industries, from medical to industrial. It also provides an effective solution for signal acquisition from a variety of sensing devices and signal conditioning systems.

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