EMCT03-ACZTR

EMCT03 1°C Triple SMBus Temperature Sensor Datasheet General Description The EMCT03 is a System Management Bus (SMBus) temperature sensor that is capable of monitoring three temperature zones. The three temperature zones consist of two external and one internal temperature diode. The internal 11 bit sigma-delta ADC architecture with digital filtering attributes to superb linearity and immunity to interference and noise. An extended temperature format may be selected for compatibility with a broad range of CPUs. Selectable conversion rates and standby mode support low-power operation. ■ Features Low Power; 3.0V to 3.6V Supply — Programmable conversion rate — < 1mA at 16 Conversions per Second — < 3uA in Standby Mode ■ ■ SMBus 2.0 Compliant interface Two External Temperature Monitors: — — — — Range -64°C to +191°C 0.125°C resolution ±1°C Accuracy 40°C to 80°C Diode Fault Reporting ■ Internal Temperature Monitor — Range 0°C to +85°C — 0.125°C resolution — ±3°C Accuracy 0°C to 85°C ■ ■ www.DataSheet4U.com Programmable Conversion Rate MSOP-8 3x3mm Package; Green, Lead-Free Package also available. Simplified Block Diagram EMCT03 Switching Current Remote Temp Register 1 SMBus Interface Analog Mux Configuration Register DP1 DN1 DP2 DN2 Local Temp Diode 11-bit Sigma Delta ADC Remote Temp Register 2 Digital Mux and Byte Interlock Local Temp Register Status Register SMCLK SMDATA SMSC EMCT03 DATASHEET Revision 2.3 (04-19-05) 1°C Triple SMBus Temperature Sensor Datash...