LM57 sensor equivalent, resistor-programmable temperature switch and analog temperature sensor.
* Trip temperature set by external resistors
* External resistor tolerance contributes zero error
* Push-pull and open-drain temperature switch outputs
* .
* Cell phones
* Wireless transceivers
* Digital cameras
* Personal digital assistants (PDA's)
* Batt.
The LM57 is a precision, dual-output, temperature switch with integrated analog temperature sensor. The trip temperature (TTRIP) is programmable by using two external 1% resistors. Using extremely small packaged resistors (0.5 mm x 1 mm), the LM57 ca.
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