AD9751-EB

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The AD9751-EB evaluation board is a digital-to-analog converter (DAC). This board supports three functions: a DAC, an amplifier circuit, and a voltage controller. The board offers a comprehensive set of features that enables users to quickly and easily develop high-performance solutions.

The AD9751-EB uses an 18-bit wide voltage-controlled current output amplifier and provides a programmable output range from 0 V to 5 V (or –5 V to +5 V), depending on the external reference voltage. Additionally, the amplified signal can be ac or dc coupled and programmed into two separate parts: the signal portion and the bias portion. This enables the output amplifier to be used in applications with high output current requirements, such as for driving high-power Class D amplifiers.

The board also includes two external control pins–a digital input control pin, connected to an on-board 8-bit microcontroller, and an analog input control pin–which can be used to adjust the current output of the DAC.The board can be configured to either a bipolar/unipolar current output configuration or a bipolar/unipolar voltage output configuration.

The AD9751-EB comes with a built-in temperature sensor; using this sensor, the board can maintain a stable temperature by automatically adjusting the reference voltage and calibration constants based on system temperature changes. This allows for more accurate performance in varying temperatures.The board also includes a precision reference voltage with a noise of 0.05 mV and a temperature coefficient of 0.005%. The reference voltage can be adjusted with the on-board precision trimmer.

The board includes several other features that make it suitable for a wide range of applications. For example, it includes two on-board current feedback amplifiers, which can be used for voltage error feedback circuits. It also includes on-board frequency multiplication and LED indicator outputs, which allow the user to easily monitor the board performance. Finally, the board includes an I2C/SPI compatible serial interface, allowing the user to easily program the DAC and monitor the status of the board.

Overall, the AD9751-EB evaluation board is a great choice for users looking for a DAC with a wide range of features. The board provides a comprehensive set of features that make it ideal for a wide range of applications, and its built-in temperature monitoring ensures accurate performance at any temperature. Additionally, its simple programming and monitoring features make it extremely user-friendly. With its versatile features and robust performance, the AD9751-EB is an excellent choice for digital-to-analog converter needs.

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