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emc1183三通道1°C温度传感器测试补偿和1.8V的SMBus通信
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The EMC1183 is a high accuracy， low cost， 1.8V System Management Bus （SMBus） compatible temperature sensor. Advanced features such as Resistance Error Correction （REC）， Beta Compensation （to support CPU diodes requiring the BJT/transistor model including 65nm and lower geometry processors） and automatic diode type detection combine to provide a robust solution for complex environmental monitoring applications. The ability to communicate at 1.8V SMBus levels provides compatible I/O for the advanced processors found in today’s tablet and smartphone applications. The EMC1183 monitors three temperature channels （two external and one internal）， providing ±1°C accuracy for both external and internal diode temperatures. REC automatically eliminates the temperature error caused by series resistance allowing greater flexibility in routing thermal diodes. Frequency hopping* and analog filters ensure remote diode traces can be as far as eight （8） inches without degrading the signal. 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 accurate temperature measurements regardless of processor 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.
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