AD7248ABRZ

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The AD7248ABRZ is a low power, 8-bit, buffered voltage output digital-to-analog converter, suitable for a wide range of applications in the data acquisition and measurement domain. The device is flexible and easy to use, with high resolution performance over a wide operating temperature range.

The AD7248ABRZ is designed to operate from a single power supply or both a positive and negative power supply. It operates with a throughput rate of up to 500k samples per second in digital-to-analog conversion mode. The feature rich product offers good immunity characteristics with its wide common-mode range and its output slew rate limiting capability.

The AD7248ABRZ data interface is designed to fit into most common system architectures. With its microprocessor compatible parallel interface, the device provides an easy upgrade path from existing DAC designs as well as flexible interfacing to logic and memory devices.

Application Field

The AD7248ABRZ is ideal for applications such as temperature measurement, speed control, weight measurement and any other application that requires a highly accurate analog signal. The device is strongly suitable for any industrial automation system, such as process control, factory automation and building management systems. The wide common-mode range of the AD7248ABRZ makes it particularly suitable for medical applications, where it can be used in combination with different imaging systems as well as in life support systems.

Working Principle

The AD7248ABRZ utilizes a multipole R-2R digital-to-analog converter network that provides the necessary resolution and linearity required. The device has an 8-bit parallel interface that supplies the digital word that is processed by the R-2R network.

The output is then buffered and stored in two separate sample and hold capacitor to provide an accurate analog output signal. The sample and hold array is also very quiet, providing a low noise output signal.

The AD7248ABRZ provides a high power efficiency and low power consumption, making it especially suitable for portable systems. Its compact size also makes it a great solution for embedded applications in limited spaces. The AD7248ABRZ also includes additional features such as overvoltage protection and shutdown control.

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