AD73311LARSZ-REEL7

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Data Acquisition - Analog Front End (AFE)

The AD73311LARSZ-REEL7 is a low-power, low-cost, complete analog front end (AFE) designed to support both current and voltage output sensors. The part enables high-performance data acquisition, leading to increased accuracy and reliability. This article will explore the applications of the AD73311LARSZ-REEL7 and how it works.

With the ultra-low power consumption of 1 mW and its low voltage operation, the AD73311LARSZ-REEL7 presents itself as an ideal data acquisition solution for battery-operated applications without compromising performance. The extremely low current drain of the external components allows for operation on battery amplifiers or even for remote operation in conjunction with a low power field transmitter. Furthermore, the device is available in surface mount packages for quick and easy board assembly.

In terms of applications, the AD73311LARSZ-REEL7 supports multiple voltage input types including single-ended, differential, and insulated-differential. It also supports multiple current output types including single-ended, differential and grounded-diff output. Its efficient AFE architecture enables excellent response time, making it suitable for use in applications that require rapid data acquisition such as audio and voice control. Additionally, the device provides adjustable full-scale input and output resolution that can be configured to optimize gain and signal linearity.

In terms of working principle, the device consists of three major blocks: the sensor interface, signal processor, and digital to analog converter. The sensor interface includes multiple programmable gain amplifiers and signal conditioning circuitry. It receives and amplifies the input signal and then filters the signal before being passed on to the signal processor. The signal processor manipulates the signal to idealize the input for proper data acquisition. It includes a low-pass filter, signal conditioning circuitry and voltage to digital converter. It then converts the signal from analog to digital. Finally, the digital to analog converter produces a digital output signal which is supplied to the data acquisition system.

In conclusion, the AD73311LARSZ-REEL7 is a low-power, low-cost, complete analog front end (AFE) designed to support both current and voltage output sensors. It is an ideal data acquisition solution for battery-operated applications, supporting multiple voltage input types and current output types. Its efficient AFE architecture enables excellent response time and adjustable full-scale input and output resolution. The device consists of three major blocks including a sensor interface, signal processor, and digital to analog converter.

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