DEM-ADS831E

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Analog-to-digital converters (ADCs) are essential components in both analog and digital circuits. ADCs are used to measure and convert analog electrical signals into digital representations, enabling computers and other data-processing systems to understand the analog signals in meaningful ways. DEM-ADS831E is a 16-bit ADC evaluation board based on the ADS831E 6th-order low-power, low-noise Delta-Sigma modulator. This board is designed for easy and effective measurement of analog input signals for applications including medical devices, power management and system monitoring.

In general, the working principle of DEM-ADS831E is simple but effective. It consists of a differential analog input stage, a low-noise amplifier, a 16-bit decimator, and a digital output stage. The analog input stage is composed of the differential low-noise amplifier, which amplifies and buffers the analog input signal. The decimator is used to reduce the signal to 16 bits, which is then converted to digital data. The digital output stage then sends the converted data to a computer or other data-processing system for further processing.

This evaluation board is specifically designed to meet the needs of applications that require low power consumption and wide dynamic range. The low power consumption is achieved by an integrated DC/DC converter and on-board voltage regulation. This allows for better performance in applications with tight supply voltage requirements, such as medical applications. Additionally, the wide dynamic range makes it suitable for applications that need to measure signals that have a large range of amplitudes. These included ultrasound, speech and audio, power management, and system monitoring.

An integrated oscillator control generates a 1-MHz high resolution clock signal, which is needed to yield a 16-bit resolution output. This clock can be used in conjunction with either an internal or external reference to achieve the best possible performance. In addition, the board is designed to reduce noise and unwanted signals that can adversely affect system performance. It also features an on-board EEPROM for storing configuration settings and calibration values.

DEM-ADS831E is an effective solution for applications that require low power consumption, low noise, wide dynamic range, and high resolution. Its integrated clock generator, on-board voltage regulation, and EEPROM provide robust features that make it a great choice for demanding tasks such as medical applications, power management, and system monitoring.

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