ADS114S08BIRHBR

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Data Acquisition - Analog to Digital Converters (ADC) involve the process of converting analog signals into digital signals. One of the Analog to Digital Converters is the ADS114S08BIRHBR. This device is an 8-bit, successive approximation register (SAR) analog-to-digital converter (ADC) with an integrated, low-power, low-noise track-and-hold (T/H) amplifier. The ADS114S08BIRHBR is designed to provide accurate, low-power conversion with power-saving features.

The basic application field for the ADS114S08BIRHBR ADC is sensing, monitoring and controlling in a variety of industrial and consumer applications. It is highly suitable for data acquisition systems that measure real-time, low-frequency signals, such as temperature, pressure, flow, and acceleration. Furthermore, this ADC converter provides a higher resolution for digital control loops to ensure robust and precise control of motor, actuator, and system parameters.

The ADS114S08BIRHBR ADC works on the successive approximation principle. This is typically implemented as an analog-to-digital (A/D) converter with an internal register, which is updated at each conversion step. Each successive approximation takes the current digital estimate and tests it against the analog input. If the digital estimate is too low, the output is increased; if the estimate is too high, the output is decreased. This feedback-based approach produces a rapid conversion process and high accuracy.

The input track-and-hold amplifier of the SAR ADC allows continuous tracking of the input signal regardless of the speed with which the successive approximations are tested and updated. The track-and-hold amplifier consists of an integrator that samples and holds the input for a fixed time period. This time period is often called the “conversion time” and is typically inversely proportional to the sampling rate.

The ADS114S08BIRHBR ADC uses differential inputs for operation and offers a wide range of gains and settling time. This allows for extremely accurate readings and excellent rejection of common-mode noise. The common mode range and linearity of the differential input are further improved by the input and output digital levels. This ensures that noise and other distortion is kept out of the converted signal.

The ADS114S08BIRHBR ADC features built-in voltage and temperature reference circuitry along with a 13-bit, wide-range voltage reference. This allows the converter to operate over a wide range of supply voltages, making it suitable for a variety of low-power, low-speed applications. The device also provides full support for signal-conditioning and data formatting/alignment operations. The zero- and full-scale values are adjustable and the output coding is selectable between two\'s complement and offset binary coding for easier data processing. The device also offers various power saving features that can be used to reduce power consumption.

The ADS114S08BIRHBR ADC offers 8-bit resolution and fast conversion times making it suitable for a variety of low frequency, low-power, real-time signal-acquisition applications. Its built-in, low-power, low-noise track-and-hold amplifier provides excellent signal-to-noise ratio and common mode rejection. The wide range of gains and settling times allows for high accuracy readings and the adjustable zero- and full-scale values with two\'s complement and offset binary coding makes data processing easier. Furthermore, the device offers a variety of power saving features that allow for reduced power consumption.

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