1°C Triple SMBus Sensor with Resistance Error Correction
Datasheet
To DP
To DN
To DP
To DN
To DP
To DN
Local Ground
Typical Remote Parasitic
Substrate Transistor
e.g. CPU substrate PNP
Typical Remote
Discrete PNP Transistor
e.g 2N3906
Typical Remote
Discrete NPN Transistor
e.g. 2N3904
Figure 5.2 Remote Temperature Diode Examples
Environmental Monitoring and Control (EMC) devices supplied by SMSC are designed to make
accurate temperature measurements. Careful design of the printed circuit board and proper selection
of the remote sensing diode will help to maintain the accuracy.
SMSC EMC1033
Revision 1.1 (01-19-07)
DATA2S3HEET