Rainbow Electronics LM95221 - Manual (Page 4)

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 ± 1 mA
Input Current at All Other Pins (Note 2) ± 5 mA
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 T
MIN
≤T
A
≤T
MAX
LM95221CIMM 0˚C ≤T
A
≤+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 T
A
= T
J
=
T
MIN
≤T
A
≤T
MAX
; all other limits T
A
= T
J
=+25˚C, unless otherwise noted. T
J
is the junction temperature of the LM95221. T
D
is the
junction temperature of the remote thermal diode.
Parameter Conditions Typical Limits Units
(Note 6) (Note 7) (Limit)
Accuracy Using Local Diode T
A
= 0˚C to +85˚C, (Note 8) ± 1 ± 3 ˚C (max)
Accuracy Using Remote Diode, see (Note 9) for
Thermal Diode Processor Type.
T
A
= +30˚C to
+50˚C
T
D
= +45˚C
to +85˚C
± 1 ˚C (max)
T
A
= +0˚C to
+85˚C
T
D
= +25˚C
to +140˚C
± 3 ˚C (max)
Remote Diode Measurement Resolution 11 Bits
0.125 ˚C
Local Diode Measurement Resolution 10 Bits
0.25 ˚C
Conversion Time of All Temperatures at the
Fastest Setting
(Note 11) 66 73 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 V
Diode Source Current (D+ − D−)=+ 0.65V; high-level 188 315 µA (max)
110 µA (min)
Low-level 11.75 20 µA (max)
7 µA (min)
Low-Level Diode Source Current Variation over
Temperature
T
A
= +30˚C to +50˚C +0.5 µA
T
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)
LM95221
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