1°C Triple Temperature Sensor with Resistance Error Correction & Hotter of Two Zones

Datasheet

Revision 1.44 (04-14-08)

26

SMSC EMC1053

DATASHEET

Te m pe r atur e Er r or vs . Le ak age Resistance

(2N3904, TA = T

-40.0

-30.0

-20.0

-10.0

0.0

10.0

20.0

30.0

110

100

Le ak age Re sis tance (M

Ω )

DP to GND

DP to VDD

Standby Current vs. Supply Voltage

(TA = 27°C)

0.0

0.5

1.0

1.5

2.0

2.5

3.0

2.9

3.1

3.3

3.5

3.7

Supply Voltage (V)

Temperature Error vs. Series Resistance

2N3904, TA = T

0.0

0.3

0.5

0.8

1.0

0

2040

6080

100

Series Resitance (

Ω)

0

15

30

45

60

75

REC Active

REC Disabled

Temperature Error vs. CPUTemperature

Typical 65nm CPU from major vendor

(TA = 27°C, VDD = 3.3V, BETA = 011, C

-1

0

1

2

3

4

5

20

30

40

50

60

70

80

90

100

CPUTemperature (°C)

Beta Compensation Enabled

Beta Compensation Disabled