Rainbow Electronics LM93 - Manual (Page 86)

17.0 Absolute Maximum
Ratings
(Notes 1, 2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
Positive Supply Voltage (V
DD
) 6.0V
Voltage on Any Digital Input or
Output Pin
−0.3V to 6.0V
(Except Analog
Inputs)
Voltage on +5V Input −0.3V to +6.667V
Voltage at Positive Thermal
Diode Inputs, ± 12V Inputs −0.3V to (V
DD
+ 0.05V)
Voltage at Other Analog Voltage
Inputs −0.3V to +6.0V
Input Current at Thermal Diode
Negative Inputs ± 1 mA
Input Current at any pin (Note 3) ± 10mA
Package Input Current (Note 3) ± 100 mA
Maximum Junction Temperature
(Note 9)
(T
JMAX
) 150 ˚C
ESD Susceptibility (Note 4)
Human Body Model 3 kV
Machine Model 300V
Storage Temperature −65˚C to +150˚C
Soldering process must comply with National’s
reflow temperature profile specifications. Refer to
www.national.com/packaging/. (Note 5)
18.0 Operating Ratings
(Notes 1, 2)
Operating Temperature Range 0˚C ≤ T
A
≤ +85˚C
Nominal Supply Voltage 3.3V
Supply Voltage Range (V
DD
) +3.0V to +3.6V
VID0-VID5 −0.05V to +5.5V
Digital Input Voltage Range −0.05V to
(V
DD
+ 0.05V)
Package Thermal Resistance (Note
6)
79˚C/W
DC Electrical Characteristics
The following limits apply for +3.0 V
DC
to +3.6 V
DC
, unless otherwise noted. Bold face limits apply for T
A
= T
J
over T
MIN
to
T
MAX
of the operating range; all other limits T
A
= T
J
= 25˚C unless otherwire noted. T
A
is the ambient temperature of the
LM93; T
J
is the junction temperature of the LM93; T
D
is the junction temperature of the thermal diode.
Symbol Parameter Conditions
Typical
(Note 9)
Limits
(Note 10)
Units
(Limits)
POWER SUPPLY CHARACTERISTICS
Power Supply Current Converting, Interface and
Fans Inactive, Peak
Current
2 3 mA (max)
Converting, Interface and
Fans Inactive, Average
Current
0.9 mA
Power-On Reset Threshold Voltage
2
1.6 V (min)
2.7 V (max)
TEMPERATURE-TO-DIGITAL CONVERTER CHARACTERISTICS
Local Temperature Accuracy Over Full Range 0˚C T
A
≤85˚C ± 2 ± 3 ˚C (max)
T
A
= +55˚C ± 1 ± 2.8 ˚C (max)
Local Temperature Resolution 1 ˚C
Remote Thermal Diode Temperature Accuracy
Over Full Range; targeted for a typical Prescott
processor (Note 8)
0˚C ≤ T
A
≤ 85˚C
and 25˚C ≤ T
D
≤ 100˚C ± 3 ˚C (max)
Remote Thermal Diode Temperature Accuracy;
targeted for a typical Prescott processor (Note 8)
0˚C ≤ T
A
≤ 85˚C
and 25˚C ≤ T
D
≤ 70˚C
± 1 ˚C
Remote Temperature Resolution 1 ˚C
Thermal Diode Source Current High Level 188 280 µA (max)
Low Level 11.75 µA
Thermal Diode Current Ration 16
T
C
Total Monitoring Cycle Time 100 ms (max)
ANALOG-TO-DIGITAL VOLTAGE MEASUREMENT CONVERTER CHARACTERISTICS
TUE Total Unadjusted Error (Note 12)
± 2
% of
FS (max)
LM93
www.national.com 86