AD7994BRU-0REEL

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The AD7994BRU-0REEL is an integrated ultra-low power data acquisition system (DAS) with an on-chip analog-to-digital converter (ADC). It is specially designed for use in medical applications and other critical applications, in which low power consumption and accuracy are of utmost importance. The device is ideal for capturing and analyzing small signals in real-time and for accurately measuring analog signals for automated failure analysis. The AD7994BRU-0REEL system offers a high performance clock-synchronous architecture for accurate sample-and-hold timing and can be used for both single-ended and differential analog signal acquisition.

The AD7994BRU-0REEL is a 16-bit successive approximation ADC, featuring a Total Harmonic Distortion of 0.5 percent and a built-in DC-to-DC voltage step-up converter, which is able to produce a 1.2V analog supply voltage from a 2.7V to 3.6V power supply. The device can also provide an external clock source to synchronize data acquisition and features extensive data buffering capabilities.

The application field of the AD7994BRU-0REEL includes non-volatile data logging, medical instrumentation, condition monitoring, vibration monitoring, and thermal imaging. The device is capable of providing an accurate measure of temperature, voltage and current in numerous applications. The system is well-suited for patient monitoring systems due to its low power consumption and small package size, and can be used in medical implants to record vital signs. The ADC is also suitable for large-scale environmental monitoring systems, such as climate sensing, energy usage monitoring, and earthquake detecting.

The working principle of the AD7994BRU-0REEL is based on successive approximation analog-to-digital conversion. When the input signal is a range of analog voltage, the ADC performs successive approximations to measure the voltage and generate a digital code that is proportional to the analog voltage. The ADC is also able to compare the input signal and reference signal and determine if the input voltage is greater, less than, or equal to the reference voltage. During each cycle of successive approximation, the analog-to-digital converter can store multiple bits or words, allowing the user to precisely measure the analog signal.

In addition, the ADC includes an integrated 8-bit digital-to-analog converter (DAC) which can be used to provide an adjustable temperature reference. This allows the ADC to accurately measure temperatures when compared with a fixed reference. The ADC features an Automatic Calibration (ACAL) system, which can restore the accuracy of the converter after power-up, thermal fluctuations, and over time.

Overall, the AD7994BRU-0REEL is an integrated ultra-low power data acquisition system (DAS) with an on-chip analog-to-digital converter (ADC). It is specifically designed for use in medical applications, condition monitoring, and other critical applications. The device features high performance clock-synchronous architecture with extensive data buffering capabilities, a Total Harmonic Distortion of 0.5 percent, a built-in DC-to-DC voltage step-up converter, an integrated 8-bit DAC for adjustable temperature reference and an Automatic Calibration (ACAL) system. The AD7994BRU-0REEL system is an ideal choice for various medical, environmental monitoring, and failure analysis applications.

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