LM95221 datasheet(4/16 Pages) NSC

4 / 16 page

Absolute Maximum Ratings (Note 1)

Supply Voltage

−0.3 V to 6.0 V

Voltage at SMBDAT, SMBCLK

−0.5V to 6.0V

Voltage at Other Pins

−0.3 V to (V

DD + 0.3 V)

D− Input Current

±1mA

Input Current at All Other Pins (Note 2)

±5mA

Package Input Current (Note 2)

30 mA

SMBDAT Output Sink Current

10 mA

Storage Temperature

−65˚C to +150˚C

Soldering Information, Lead Temperature

MSOP-8 Package (Note 3)

Vapor Phase (60 seconds)

215˚C

Infrared (15 seconds)

220˚C

ESD Susceptibility (Note 4)

Human Body Model

2000 V

Machine Model

200 V

Operating Ratings

(Notes 1, 5)

Operating Temperature Range

0˚C to +115˚C

Electrical Characteristics

Temperature Range

MIN

≤T

MAX

LM95221CIMM

0˚C

≤T

≤+85˚C

Supply Voltage Range (V

DD)

+3.0V to +3.6V

Temperature-to-Digital Converter Characteristics

Unless otherwise noted, these specifications apply for V

DD=+3.0Vdc to 3.6Vdc. Boldface limits apply for TA =TJ =

MIN

≤T

MAX; all other limits TA=TJ=+25˚C, unless otherwise noted. TJ is the junction temperature of the LM95221. TD is the

junction temperature of the remote thermal diode.

Parameter

Conditions

Typical

Limits

Units

(Note 6)

(Note 7)

(Limit)

Accuracy Using Local Diode

A = 0˚C to +85˚C, (Note 8)

±1

±3

˚C (max)

Accuracy Using Remote Diode, see (Note 9) for

Thermal Diode Processor Type.

A = +30˚C to

+50˚C

D = +45˚C

to +85˚C

±1

˚C (max)

A = +0˚C to

+85˚C

D = +25˚C

to +140˚C

±3

˚C (max)

Remote Diode Measurement Resolution

Bits

0.125

˚C

Local Diode Measurement Resolution

Bits

0.25

˚C

Conversion Time of All Temperatures at the

Fastest Setting

(Note 11)

ms (max)

Quiescent Current (Note 10)

SMBus Inactive, 15Hz conversion

rate

2.0

2.6

mA (max)

Shutdown

335

µA

D− Source Voltage

0.7

Diode Source Current

(D+ − D−)=+ 0.65V; high-level

188

315

µA (max)

110

µA (min)

Low-level

11.75

µA (max)

µA (min)

Low-Level Diode Source Current Variation over

Temperature

A = +30˚C to +50˚C

+0.5

µA

A = +30˚C to +85˚C

+1.5

µA

Power-On Reset Threshold

Measure on V

DD input, falling

edge

2.4

1.8

V (max)

V (min)

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