AD7858LARS-REEL

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A data acquisition consists of a range of measurements, devices, and systems to collect, store, or update information from a variety of sources. The devices usually take the form of analog to digital converters (ADC) and allow for the conversion of analog signals into a digital format. AD7858LARS-REEL is a high-performance, low-power type of converter designed for a variety of digital signal processing applications. This article will discuss the application field and working principle of the AD7858LARS-REEL.

AD7858LARS-REEL is a 14-bit differential-input analog-to-digital (A/D) converter that is ideal for various data acquisition applications requiring precision and accuracy. It has a single-ended input range of 18V and a differential input range of ±6.5V. The A/D has a sampling rate of 500ksps and offers a set of features that enable a wide range of applications including electronics instrumentation, motor control, process control, and medical imaging. Furthermore, it has an integrated reference and a serial interface, which allows it to be easily integrated into system architectures.

In terms of performance, the AD7858LARS-REEL is capable of providing up to 85 dB SNR and up to 88 dB SINAD at a 1MHz bandwidth. It features a low input bias current and low input offset voltage of 0.1 pA and 0.8mV, respectively, which allows for accurate measurements. Furthermore, the device has automatic gain calibration and supports low-noise, high-resolution operation. It is available in a 24-lead 4x4mm LQFP. The AD7858LARS-REEL provides a wide dynamic range with excellent linearity, making it suitable for a variety of high-resolution, low-noise requirements.

The working principle of the AD7858LARS-REEL is based on the sampling theory. It works by taking multiple samples of an analog signal and converting them into digital signals. The device has an analog input connected to a sample-and-hold circuit that captures the signal and sends it to an internal high-resolution A/D converter. The converter works by comparing the analog signal to pre-defined reference voltages and then assigning a binary code to each comparison. The device then sends the binary code to the microcontroller to be processed.

The AD7858LARS-REEL is suitable for a variety of data acquisition applications for both commercial and industrial settings. Its features include high performance, low power consumption, excellent linearity, and a wide dynamic range. The device can also be easily integrated into system architectures due to its integrated reference and serial interface. In conclusion, the AD7858LARS-REEL is an excellent choice for a variety of A/D conversion applications.

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