1°C Triple SMBus Temperature Sensor

Datasheet

Revision 2.3 (04-19-05)

4

SMSC EMCT03

DATASHEET

Chapter 2 Electrical Characteristics

VDD=3.3V±10%, AmbientTemp=0

°C to 85°C, except as noted below.

CHARACTERISTIC

MIN

TYP

MAX

UNIT

DC Power

Supply Voltage VDD

3.0

3.3

3.6

V

Current Consumption from VDD:

16 sets of conversions per second

8 sets of conversions per second

4 full sets of conversions per second

2 full sets of conversions per second

1 full set of conversions per second

Power Down

3

1.75

1

700

500

3

mA

mA

mA

µA

µA

µA

POR Threshold

2.5

V

Internal Temperature Monitor

Temperature Accuracy

Ambient Temp 0

°C to 85°C

± 1

± 3

°C

Temperature Resolution

0.125

°C

Two External Temperature Monitors

Temperature Accuracy

Remote Diode 40

°C to 80°C, Ambient Temp 15°C to 70°C

Remote Diode 0

°C to 125°C

± 1

± 3

°C

°C

Temperature Resolution

0.125

°C

Current Source

Low Level

High Level

10

170

µA

µA

ADC

Conversion Time for all three sensors

60

ms

Wake-up from STOP mode

(During one shot command or transition to RUN mode)

1ms

Resolution

11

bit

Differential Non Linearity

± 1LSB

Integral Non Linearity

± 1LSB