AD7538KR

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AD7538KR is a monolithic 18-bit Digital-to-Analog Converter (DAC) designed for use in data acquisition systems. It consists of a reference buffer, an 18-bit R-2R binary-weighted current DAC, a serial input port, and a power-on reset circuit. The AD7538KR was designed for applications such as high resolution signal detection, signal reconstruction, and high precision charge compensation. It can be used in applications requiring a fast settling, low distortion, and accurate output. The AD7538KR provides high dynamic performance, comprehensive control logic, and a wide output voltage range. It supports an ultra-low power mode to minimize power consumption. It has a serial input with up to 20-bit resolution and data rate up to 8.5 MHz. The AD7538KR has an on-chip high accuracy reference that provides stable, adjustable voltage with performance parameters such as power-on reset and over-temperature shutdown. The AD7538KR has an R-2R current-output DAC that operates with a single +5V power supply. The device supports unipolar voltage/current output and bipolar voltage/current output. The output range can be selected from 0 to –5V, 0 to +5V, 0 to +2.5V, or 0 to –2.5V. The voltage is set with a single reference voltage, and the insulation between the DAC output and the ground is ensured with a two-layer dielectric insulation structure.The device offers a variety of features to simplify control and configuration, such as a write-enable control input and a write protect logic to detect the data-in status; the write enable input can also be used as an output enable. The Serial Port Input supports CMOS and TTL logic levels. The AD7538KR also has an on-chip temperature shutdown that prevents the DAC from overheating.The AD7538KR is a reliable, high performance Digital-to-Analog Converter solution for a wide range of applications. Its low power consumption and 18-bit resolution are suitable for a variety of applications ranging from data acquisition, signal detection, signal reconstruction, and high precision charge compensation. Its comprehensive control logic and user selectable output ranges make it easy to use and configure.

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