Description
The LM27 is a precision, single digital-output, low-power thermostat comprised of an internal reference, DAC, temperature sensor and comparator.
Features
- n Internal comparator with pin selectable 2˚C or 10˚C hysteresis n No external components required n Open-drain or push-pull digital output; supports CMOS logic levels n Internal temperature sensor with VTEMP output pin n VTEMP output allows after-assembly system testing n Internal voltage reference and DAC for trip-point setting n Currently available in 5-pin SOT-23 plastic package n Excellent power supply noise rejection
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Key Specifications
j Power Supply Voltage j Power S.
LM27_NationalSemiconductor.pdf
