Remote/Local Temperature Sensor

with SMBus Serial Interface

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3

ELECTRICAL CHARACTERISTICS (continued)

(Note 4)

SMBCLK, SMBDATA

ALERT forced to 5.5V

ALERT, SMBDATA forced to 0.4V

CONDITIONS

µs

4

SMBCLK Clock High Time

µs

4.7

SMBCLK Clock Low Time

kHz

DC

100

SMBus Clock Frequency

pF

5

SMBus Input Capacitance

µA

-1

1

Logic Input Current

µA

1

ALERT Output High Leakage

Current

V

2.2

Logic Input High Voltage

V

0.8

Logic Input Low Voltage

mA

6

Logic Output Low Sink Current

UNITS

MIN

TYP

MAX

PARAMETER

ns

250

SMBus Data Valid to SMBCLK

Rising-Edge Time

µs

4

SMBus Stop-Condition Setup Time

µs

4

SMBus Start-Condition Hold Time

ns

500

SMBus Repeated Start-Condition

Setup Time

µs

4.7

SMBus Start-Condition Setup Time

µs

0

SMBus Data-Hold Time

Master clocking in data

µs

1

SMBCLK Falling Edge to SMBus

Data-Valid Time

SMBus INTERFACE

ELECTRICAL CHARACTERISTICS

CONDITIONS

Monotonicity guaranteed

Bits

8

Temperature Resolution (Note 1)

-2

2

°C

-3

3

Initial Temperature Error,

Local Diode (Note 2)

V

3.0

5.5

Supply-Voltage Range

From stop bit to conversion complete (both channels)

Auto-convert mode

ms

94

125

156

Conversion Time

%

-25

25

Conversion Rate Timing Error

-3

3

°C

UNITS

MIN

TYP

MAX

-5

5

PARAMETER

Temperature Error, Remote Diode

(Notes 2 and 3)

ADC AND POWER SUPPLY