General Description
The EMC1412 is a high accuracy, low cost, System Management Bus (SMBus) temperature sensor. Advanced features such as Resistance Error Correction (REC), Beta Compensation (to support CPU diodes requiring the BJT/transistor model including 45nm, 65nm and 90nm processors) and automatic diode type detection combine to provide a robust solution for complex environmental monitoring applications.
FEATUREs
◾ Programmable SMBus address
◾ Support for diodes requiring the BJT/transistor model
— supports 45nm, 65nm, and 90nm CPU thermal diodes
◾ Automatically determines external diode type and
optimal settings
◾ Resistance Error Correction
◾ External Temperature Monitor
— ±1°C max accuracy (20°C < TDIODE < 110°C)
— 0.125°C resolution
— Supports up to 2.2nF diode filter capacitor
◾ Internal Temperature Monitor
— ±1°C accuracy
— 0.125°C resolution
◾ 3.3V Supply Voltage
◾ Programmable temperature limits for ALERT and
THERM
◾ Available in small 8-pin 2mm x 3mm TDFN lead-free
RoHS compliant package
◾ Available in small 8-pin MSOP lead-free RoHS
compliant package
APPLICATIONs
◾ Notebook Computers
◾ Desktop Computers
◾ Industrial
◾ Embedded applications