AD7683ACPZRL

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Analog-Digital Converters, or ADC, are arguably the most important component of data acquisition systems. The AD7683ACPZRL is an ADC with a fully differential input that features high performance and multichannel format advantages. The AD7683ACPZRL’s key features make it a device of choice for remotely situated, shielded and low power applications.

Principle of Operation

The AD7683ACPZRL is a medium-speed, 10-bit, multiplexing ADC that can accept either single ended or differential inputs. The device consists of three main components: the comparator, the digital-to-analog converter (DAC), and the analog multiplexer (MUX). The comparator section has a double-stage prescaler, an analog multiplexer, and a 10-bit DAC.

The ADC works in two stages. In the first stage, the input signal is compared to a scaled version of the reference voltage, Vref. The comparator’s output is then input to the DAC and converted to a digital code. In the second stage, the digital code is sent to the multiplexer, which assigns it to a unique output channel. This process is repeated until all of the input channels have been sampled.

Applications

The AD7683ACPZRL ADC is most suitable for remotely situated, shielded, and low power applications. Its compact size and high resolution make it ideal for applications such as remote monitoring and measuring of low frequency and low voltage signals in industrial and medical equipment. Additionally, its flexible design and low power requirement make it suitable for portable and battery powered equipment.

The wide range of dynamic range (from ± 150mV to ± 15V) makes the AD7683ACPZRL suitable for a huge range of applications, from measuring small signals to larger signals such as thermocouples, flowmeters, and other industrial sensors. Additionally, its precision and multiplieroptions support applications such as temperature, strain, force, and motion sensing.

Conclusion

The AD7683ACPZRL is a versatile 10-bit, medium-speed, differential input ADC. Its high performance, multiplexing format, and low power requirements make it a device of choice for applications ranging from industrial to medical equipment. Customers can rely on the AD7683ACPZRL to provide accurate readings of low frequency and low voltage signals in a wide range of applications.

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