EVB-EMC1053C Standard Microsystems Corporation, EVB-EMC1053C Datasheet - Page 13

• Manufacturer Part Number: EVB-EMC1053C
• Description: 1C Triple Temperature Sensor with Resistance Error Correction and Hotter of Two Zones
• Manufacturer: Standard Microsystems Corporation

1°C Triple Temperature Sensor with Resistance Error Correction & Hotter of Two Zones
Datasheet
SMSC EMC1053
Substrate
i.e. CPU substrate PNP
PNP
substrate transistor
Local Ground
Typical remote
Figure 3.2
the remote temperature diode, DN, is internally biased with a forward diode voltage referenced to
ground.
The external diodes in the EMC1053 are compatible with a broad range of thermal diodes that may
be connected as shown in
I
LOW
Resistance
Correction
Error
Figure 3.2 Block Diagram of Temperature Monitoring Circuit
shows a block diagram of the temperature measurement circuit. The negative terminal for
DN
DP
to
to
Figure 3.3 External Diode Configurations
discrete PNP transistor
I
Figure
HIGH
Typical remote
DN
DP
i.e. 2N3906
3.3.
DATASHEET
Aliasing
Filter
Anti-
13
DP
DN
to
to
discrete NPN transistor
Typical remote
i.e. 2N3904
ADC
Revision 1.37 (02-05-07)
ΔΣ
DP
DN
to
to