LM64 ± 1˚C Remote Diode Temperature Sensor with PWM Fan Control and 5 GPIO’s
December 2003
LM64 ± 1˚C Remote Diode Temperature Sensor with PWM Fan Control and 5 GPIO’s
General Description
The LM64 is a remote diode temperature sensor with PWM fan control.
The LM64 accurately measures its own temperature and that of a remote diode.
The LM64 remote temperature accuracy is factory trimmed for a MMBT3904 diodeconnected
transistor with a 16˚C offset for high temperatures.
TACTUAL DIODE JUNCTION = TLM64 + 16˚C The LM64 features a PWM, open-drain, fan control output, 5 GPIO (General Purpose Input/Output) and 5 GPD (General Purpose Default) pins.
The 8-step Lookup Table allows for a non-linear fan...