AD7840KP-REEL

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The AD7840KP-REEL is Digital to Analog Converter (DAC) designed for use in data acquisition systems. It is a monolithic integrated circuit that performs 8-bit resolution analog-to-digital conversion. The device is capable of converting an 8-bit digital code into an analog voltage signal with a minimum input signal bandwidth of 1 MHz and a maximum conversion rate of 21 MHz. It is ideal for applications that require accurate analog output signals such as signal processing, signal conditioning and signal conversion.

The AD7840KP-REEL has a wide range of features that make it well suited for data acquisition applications. It includes an internal reference voltage of 2.5 V, three external reference pins, and a dedicated serial bus (SBUS) interface. Additionally, it provides a wide temperature operating range from -40 degrees to +125 degrees Celsius. It is available in an SOIC-14 package, making it a suitable choice for applications that require a small board footprint.

The AD7840KP-REEL offers two modes of operation: voltage-mode and current-mode. In voltage-mode, the digital-to-analog converter comprises two separate circuits that each convert a digital code into an analog voltage. In current-mode, a single circuit converts the digital code into an analog current, which is then converted into a voltage. The device also includes an additional circuit that allows the user to select either voltage-mode or current-mode operation. Additionally, it provides a selectable output type of either unipolar (0V to +2.5V) or bipolar (-2.5V to +2.5V).

The AD7840KP-REEL has a built-in, high-precision, low-power reference voltage (REFS) of 2.5V. The REFS pin can be used to supply a reference voltage to an external reference voltage source. The REFS pin also provides an accuracy of ±0.05% or better. This ensures that the accuracy of the digital-to-analog conversion is maintained even when exposed to environmental or supply voltage changes.

The AD7840KP-REEL uses SBUS (Serial Bus) to carry the digital input signal from the control logic, microcontroller, or other analog-to-digital converter. The SBUS interface consists of a data input, a clock input, and a data output. The device is able to accept and process digital data with a maximum frequency of 20 MHz. The data output consists of a digital signal that is used to monitor the status of the device. This signal can be used to provide an indication of the success or failure of a given DAC conversion.

The AD7840KP-REEL is an ideal device for applications that require accurate analog output signals. It is capable of providing a wide temperature operating range and accurate reference voltage, as well as robust and reliable SBUS interface. Additionally, the device is available in an SOIC-14 package and can be used in a wide variety of applications, making it a suitable choice for data acquisition systems.

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