XRD9818ACGTR

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The XRD9818ACGTR is an Analog Front End (AFE) device designed for Data Acquisition (DAQ) applications. It offers a high-bandwidth analog signal acquisition platform that is highly integrated with an extensive set of features designed to optimize the signal quality and performance of DAQ systems. The XRD9818ACGTR features a programmable low-impedance input range, a wideband variable gain amplifier (VGA), a variable gain differential amplifier (VDA), and a variable gain trans-impedance amplifier (TVA).

The XRD9818ACGTR is available in a 32-pin QFN package and supports a wide range of operations and performance-enhancing features. The device is designed to support data rates up to 2.016GS/s (2.016G bits/sec) and offers two input channels with a range of full-scale bandwidths from 40MHz to 256MHz. Each channel can be configured as either a single ended input, or as a differential input configured as either a voltage-mode or current-mode input. For each input channel, the gain, offset and bandwidth can be programmed independently, and each channel can be programmed to respond to different input ranges, allowing it to be used in applications ranging from low-level sensors to high-frequency systems. The device also provides gain control, allowing the user to optimize the dynamic range of the signal being acquired.

The XRD9818ACGTR also includes a built-in PLL clock synthesizer, which can generate clocks with up to 1.5GHz of data rate. This clock synthesizer can be used to phase-lock the input signals and ensure synchronous data acquisition. The device also features an adjustable clock delay, allowing users to synchronize multiple devices. This feature helps reduce the total input bandwidth of the system and ensure consistent system performance.

In addition to the ADC, the XRD9818ACGTR includes a voltage-mode and current-mode analog-to-digital converter (ADC). The voltage-mode ADC offers up to 11-bit resolution and is ideal for low-level sensors, while the current-mode ADC offers up to 14-bit resolution and is well-suited for applications requiring high-accuracy, wide dynamic range data acquisition. The ADC is designed to achieve fast settling times and to reduce the need for external components.

The XRD9818ACGTR also features an embedded digital-to-analog converter (DAC) which can be used to provide calibration signals or offset voltage for the differential inputs. This feature helps simplify the design of the ADCs and makes the system more robust and easier to configure.The DAC also functions as an advanced calibrator, enabling the user to adjust the gain of the input stage and set the offset voltage of the differential input stages.

Finally, the XRD9818ACGTR is designed to integrate seamlessly with a variety of other components, such as FPGAs, microcontrollers, and memory. This wide level of integration simplifies the design process and helps provide a complete, plug-and-play solution for data acquisition applications.

In summary, the XRD9818ACGTR is an Analog Front End (AFE) device designed for Data Acquisition (DAQ) applications. It offers a high-bandwidth input and a variety of performance-enhancing features, making it an ideal choice for applications ranging from low-level sensors to high-frequency systems. The device is also highly integrated and supports a wide range of operations and performance-enhancing features, making it an ideal solution for a variety of DAQ systems.

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