1°C Triple Temperature Sensor with Beta Compensation and Hotter of Two Zones
Datasheet
Tem perature Error vs. Leakage Resistance
(2N3904, TA = TDIODE = 27°C, VDD = 3.3V)
Standby Current vs. Supply Voltage
(TA = 27°C)
30.0
20.0
10.0
0.0
3.0
2.5
2.0
1.5
1.0
0.5
0.0
DP to GND
-10.0
-20.0
-30.0
-40.0
DP to VDD
2.9
3.1
3.3
3.5
3.7
1
10
Leakage Resistance (M
100
Supply Voltage (V)
)
Ω
Temperature Error vs. CPUTemperature
Typical 65nm CPUfrom major vendor
Temperature Error vs. Series Resistance
2N3904, TA = TDIODE = 27°C, VDD = 3.3V
(TA = 27°C, VDD = 3.3V, BETA = 011, CFILTER = 0pF)
1.0
75
60
45
30
15
0
5
4
REC Disabled
0.8
0.5
0.3
0.0
Beta Compensation Disabled
3
2
1
Beta Compensation Enabled
0
REC Active
-1
20
30
40
50
60
70
80
90
100
0
20
40
60
80
100
CPUTemperature (°C)
Series Resitance ( )
Ω
Revision 1.37 (09-05-06)
SMSC EMC1043
DATA2S6HEET
SMSC [ SMSC CORPORATION ]
