Classification of integrated circuits

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Classification of integrated circuits

There are many ways to classify integrated circuits. According to whether they are analog or digital, they can be divided into analog integrated circuits, digital integrated circuits and mixed signal integrated circuits (analog and digital are on one chip).

Digital integrated circuits can contain anything from thousands to millions of logic gates, triggers, multitasks and other circuits on a few square millimeters. The small size of these circuits enables higher speed, lower power consumption (see low power design) and lower manufacturing costs compared to board level integration. These digital ICs, represented by microprocessors, digital signal processors and microcontrollers, use binary to process 1 and 0 signals.

Analog integrated circuits, such as sensors, power control circuits and operational amplifiers, process analog signals. Complete the functions of amplification, filtering, demodulation, mixing, etc. Through the use of analog integrated circuits designed by experts with good characteristics, the burden of circuit designers is reduced, and there is no need to design from basic transistors.

Integrated circuits can integrate analog and digital circuits into a single chip to make devices such as analog-to-digital converters and digital to analog converters. This circuit provides smaller size and lower cost, but care must be taken for signal collisions.