LTC2222IUK#TRPBF

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The LTC2222IUK#TRPBF is a multifunction Data Acquisition – Analog to Digital Converter (ADC) from Linear Technology. It combines a low noise, low power 16-bit successive approximation register (SAR) ADC core with a wide range of features to simplify data acquisition with minimal external components. Its primary application field is in the measuring, monitoring and control of physical variables such as temperature, pressure, speed and strain-measurement.

How does it work?

As with all ADC devices, the LTC2222IUK#TRPBF works by translating the analog signal into a digital code corresponding to a given value in the signal. This is done by comparing the input signal to a known reference voltage and converting the signal strength into an appropriate digital value. This encoding process is performed using a digital-to-analog converter (DAC), which is programmed with the reference voltage and a successive approximation register (SAR) which is programmed with the signal values. The highest resolution of the device is 16-bits, meaning the device can transcode signal values up to 16 bits of accuracy.

The device’s core is built around the low power 16-bit successive approximation register (SAR) ADC, with a range of programmable features to simplify data acquisition with minimal external components. The LTC2222IUK#TRPBF also offers differential inputs, allowing more accurate sensing of input signals. With its small form factor, it is also a very space-efficient solution. Plus, it features an operating range from -40C to +85C and is guaranteed for a minimum of 1 million samples at resolutions of 16-bit or better.

In addition, the device includes an onboard temperature sensor with a resolution of 5-bits, making it well suited for temperature measurement applications. This onboard temperature sensor allows the LTC2222IUK#TRPBF to read temperatures from the -40C to +125C range, giving users the ability to compare observed temperatures to predefined values. Other features of the device include a highly integrated scan interface, an on-chip ADC reference, a sample-and-hold circuit, buffered analog inputs and an integrated, incremental count output.

The ability to accurately read analog inputs has made the LTC2222IUK#TRPBF an invaluable part of physical measurement, monitoring and control. Its wide range of features makes it suitable for a variety of applications such as medical instrumentation, industrial process control, and environmental monitoring. With its low power consumption, wide operating range and robust performance, the LTC2222IUK#TRPBF is the right choice for a variety of industrial and automotive applications.

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