ISL26712IRTZ-T

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Overall, the ISL26712IRTZ-T is a low cost and low power 12-bit analog-to-digital converter, or ADC. Specifically, this converter is designed to operate in harsh industrial environments and operates over an extended temperature range of -40C to +125C. It features both a single-ended and a differential input, as well as a built-in oscillator that allows for a single wire interface. Furthermore, the ISL26712IRTZ-T has a very small footprint and consumes very low power, making it an ideal choice for a variety of applications.

Applications

The ISL26712IRTZ-T is well suited for a variety of industrial measurements. It is particularly well suited for digital data acquisition and control systems that need to measure signals in harsh industrial environments. Examples of such applications include temperature and pressure measurements, level sensing, remote data logging and process control. Additionally, the use of the differential inputs allows for reliable signal measurements in industrial processes with large common mode noise present.

The low power consumption as well as the integrated voltage references make the ISL26712IRTZ-T well suited for battery powered systems or those that need to operate in remote or difficult to access locations. Additionally, the single-wire interface of the converter can simplify installation and wire management in both distributed and mobile applications.

Working Principle

The ISL26712IRTZ is a combination analog-to-digital converter and digital-to-analog converter that utilizes a successive approximation register (SAR) architecture. This particular converter has a 12-bit resolution and a single-ended or differential input, depending on which mode is selected. The device uses an internal reference voltage (VREF) for signal measurements and includes a low noise switching regulator for powering the reference voltage.

The conversion process begins when an analog signal is applied to the input of the converter. The Analog-to-Digital Converter (ADC) then uses the internal reference voltage to measure the signal and convert it into a 12-bit digital code. This 12-bit code represents the analog signal and is output by the converter. The converter also includes an integrated digital-to-analog converter (DAC) to convert the 12-bit digital code back into an analog voltage that can be used by other circuits or systems.

On the software side, the device has two operating modes which can be programmed and configured through a serial interface. These are the single-ended mode which measures the voltage at one end of the signal, and the differential mode which measures the difference between two input signals.

Overall, the ISL26712IRTZ-T is a very low cost and low power solution for digital data acquisition and control systems that need to operate in harsh industrial environments. Its small size, wide input range, and extended temperature range makes it ideal for applications in both industrial and remote locations. Its single-wire interface simplifies installation, and its low power consumption allows it to be ran for long periods of time on battery power. Lastly, its different input selection, built-in references, and internal DACs make it a very flexible tool for a variety of applications.

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