www.DataSheet4U.com Freescale Semiconductor Order this document by AN4009/D Alarm IC Sample Applications Prepared by: Rudi Lenzen Application Engineer, Toulouse France AN4009 INTRODUCTION The MC14600 is an integrated circuit (IC) designed for low– cost applications requiring an alarm to be triggered and heard. This device affords the designer a low–cost.
indicating the state of the power supply. Freescale Semiconductor, Inc... TEMPERATURE LEVEL DETECTOR When connected to a simple network of thermistor and resistors, the Alarm IC provides a portable solution for temperature control and supervision. The example hereafter uses an NTC thermistor. An audible alarm will sound when the threshold value at the comparator input is reached. A logic output is usable for starting either a fan or a heater depending upon the required temperature. GAS SENSOR APPLICATION The MC14600, used with a flammable gas sensor and a few added components, provides a r.
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