ADM690ANZ

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ADM690ANZ is a low-cost CMOS monitoring and Reset circuit from Analog Devices Inc which offers an extended environmental temperature range as well as comprehensive undervoltage/overvoltage monitoring features. This device is designed to provide a microprocessor or digital logic system reliable reset protection and is suitable for installation in 19- and 24-pin DIP and SOIC packages. It offers supply voltage and temperature monitoring, as well as temperature controlled output capabilities.

ADM690ANZ is a supervisor IC which monitors the power supply level and temperature. It has three monitoring systems: one monitors the power supply, one monitors the temperature, and one controls the output. This device has three power supply monitoring ranges: 0.8V to 4.5V, 0.9V to 5.5V, and 1.1V to 11V. It also supports brown-out and overvoltage protection and has an adjustable watch dog timer, adjustable supply current, and adjustable reset delay.

The power supply monitoring system has two functions: supply voltage threshold sensing and voltage reset. The supply voltage threshold sensing function would detect whether the power supply has crossed certain threshold level. This can be adjusted by setting the trigger levels on its pins. The reset function would generate a reset signal when the supply voltage is below the threshold voltage. The reset signal is latched low and can only be reset when the power supply returns above its threshold level.

The temperature monitoring system has two functions: high temperature detection and over-temperature reset. The high temperature detection function would detect whether the temperature has exceeded a high temperature threshold level. This can be adjusted by setting the trigger levels on its pins. The over-temperature reset function would generate a reset signal when the temperature is above the threshold temperature. The reset signal is latched low and can only be reset when the temperature returns below its threshold level.

The output control system has two functions: temperature controlled output and manual output control. The temperature controlled output function allows the ADM690ANZ IC to control system supply voltage based on the temperature level. This can be adjusted by setting the trigger levels on its pins. The manual output control function allows the user to manually control the output voltage by adjusting the voltage setting on its pin.

In conclusion, ADM690ANZ is an excellent and low cost choice for microprocessor or digital logic system reset protection and temperature monitoring. It combines supply voltage, temperature, and output control functions in one device, which provides a cost effective solution for reset protection needs.

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