The properties and features of the use of analog and analog-digital integrated circuits are highlighted: operational amplifiers, comparators, timers, filters, linear and pulse voltage stabilizers, switches, ADC and DAC microcircuits, various sensors. The book reflects the latest achievements in the element base, while focusing on the circuitry of various functions of electronic devices. Circuits of linear and nonlinear signal conversion, measuring and computing circuits, active electric filters, signal generators and multipliers, specialized amplifiers (broadband, insulating, measuring, etc.), sources of reference voltage, various types of digital-to-analog and analog-to-digital converters, circuits of temperature, acceleration, pressure, humidity, magnetic field sensors are considered. The book is useful for specialists in the field of electronics, automation, computer engineering, as well as graduate students and students of the corresponding profile.