AD977CNZ

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Analog to digital converters (ADCs) are crucial devices that enable analog signals to be converted into digital signals, known as digital signals. The AD977CNZ is an example of a medium-resolution, precision, serial output ADC that is designed for a wide range of applications. This article will focus on the AD977CNZ application field and working principle.

AD977CNZ Application field

The AD977CNZ is capable of digitizing and conditioning analog signals with a resolution of up to 16 bits. It is a low cost ADC with wide application fields such as data acquisition, instrumentation, analog-to-digital conversion, medical monitoring and other automation tasks. Presented in a 10-pin MSOP package, this device is suitable for use in a variety of industrial, medical and consumer applications. Furthermore, the AD977CNZ is capable of connecting with both single and multi-channel data acquisition systems as well as with microcontrollers.

AD977CNZ Working Principle

At the heart of the AD977CNZ’s capability to accurately convert analog signals to digital lies its working principle. The core of the ADC is a multi-stage differential capacitor array, which set up a series of successive-approximation cycles to convert the analog input signal into an equivalent digital word. The array determines the digital output word based on the number of full-scale range/2 voltage steps applied to the input. During the conversion, a digital word is generated in a binary format. The digital data is then serialized via an on-chip serial port.

The AD977CNZ integrates a number of features advantageous for a range of different applications. It provides single-supply operation in either unipolar or bipolar modes, it does not require external components, and features both hardware shutdown and power saving capabilities. This device also features anti-alias filtering, which attenuates input signals that exceed the sampling frequency of the ADC, allowing the acquisition of frequency-limited signals with full resolution.

Conclusion

The AD977CNZ is a medium-resolution, precision, serial output ADC designed for a wide range of applications. This device is capable of converting analog signals to digital with a resolution of up to 16 bits, collaborating with both single and multi-channel data acquisition systems as well as with microcontrollers. The AD977CNZ features single-supply operation, hardware shutdown and power saving capabilities and anti-alias filtering, making it suitable for a variety of industrial, medical and consumer applications.

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