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EMC1412 Datasheet(PDF) 1 Page - Microchip Technology |
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EMC1412 Datasheet(HTML) 1 Page - Microchip Technology |
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1 / 46 page  2014-2022 Microchip Technology Inc. and its subsidiaries DS20005273B-page 1 EMC1412 Features • Programmable SMBus Address • Support for diodes requiring the BJT/transistor model including advanced processor geometries • Automatically determines external diode type and optimal settings • Resistance Error Correction • External Temperature Monitor: - ±1°C Maximum Accuracy (+20°C < TDIODE < +110°C) - 0.125°C resolution - Supports up to 2.2 nF 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 2 mm x 3 mm TDFN RoHS compliant package • Available in small 8-pin MSOP RoHS compliant package Applications • Notebook Computers • Desktop Computers • Industrial • Embedded Applications Description The EMC1412 is a high accuracy, low cost, System Management Bus (SMBus) temperature sensor. Advanced features such as Resistance Error Correc- tion (REC), Beta Compensation (to support CPU diodes requiring the BJT/transistor model) and auto- matic diode type detection combine to provide a robust solution for complex environmental monitoring applica- tions. The EMC1412 monitors two temperature channels (one external and one internal). It provides ±1°C accu- racy for both external and internal diode temperatures. Resistance Error Correction automatically eliminates the temperature error caused by series resistance, allowing greater flexibility in routing thermal diodes. Beta Compensation eliminates temperature errors caused by low, variable beta transistors common in today's fine geometry processors. The automatic beta detection feature monitors the external diode/transistor and determines the optimum sensor settings for accu- rate temperature measurements, regardless of the pro- cessor technology. This frees the user from providing unique sensor configurations for each temperature monitoring application. These advanced features plus ±1°C measurement accuracy provide a low-cost, highly flexible and accurate solution for critical temperature monitoring applications. Package Type *Includes Exposed Thermal Pad (EP); see Table 3-1. EMC1412 2x 3 TDFN* DN DP THERM/ADDR SMDATA ALERT 1 2 3 4 8 7 6 5 GND SMCLK VDD EP 9 EMC1412 MSOP DN DP THERM/ADDR SMDATA ALERT 1 2 3 4 8 7 6 5 GND SMCLK VDD Multiple Channel 1°C Temperature Sensor with Beta Compensation |
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