Rainbow Electronics LM85 - Manual (Page 4)

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.
Supply Voltage, V+ −0.5V to 6.0V
Voltage on Any Digital Input or
Output Pin
−0.5V to 6.0V
Voltage on 12V Analog Input −0.5V to 16V
Voltage on 5V Analog Input −0.5V to 6.66V
Voltage on Remote1+, Remote2+, −0.5V to (V+ + 0.05V)
Current on Remote1−, Remote2− ± 1 mA
Voltage on Other Analog Inputs −0.5V to 6.0V
Input Current on Any Pin (Note 3) ± 5 mA
Package Input Current (Note 3) ± 20 mA
Package Dissipation at T
A
= 25˚C See (Note 5)
ESD Susceptibility (Note 4)
Human Body Model 2500V
Machine Model 250V
Soldering Temperature, Infrared,
10 seconds (Note 6)
235˚C
Storage Temperature −65˚C to +150˚C
Operating Ratings
(Notes 1, 2)
LM85 Operating Temperature Range 0˚C ≤ T
A
≤ +85˚C
Remote Diode Temperature Range 0˚C ≤ T
D
≤ +125˚C
Supply Voltage (3.3V nominal) +3.0V to +3.6V
V
IN
Voltage Range
+12V V
IN
−0.05V to 16V
+5V V
IN
−0.05V to 6.66V
+3.3V V
IN
3.0V to 4.4V
V
CCP
and All Other Inputs −0.05V to (V+ + 0.05V)
VID0–VID4 −0.05V to 5.5V
Typical Supply Current 0.53 mA
DC Electrical Characteristics
The following specifications apply for V+ = 3.0V to 3.6V, and all analog input source impedance R
S
= 50 Ω unless otherwise
specified in conditions. Boldface limits apply for T
A
= T
MIN
to T
MAX
; all other limits T
A
= 25˚C.
Symbol Parameter Conditions Typical
(Note 7)
Limits
(Note 8)
Units
(Limits)
POWER SUPPLY CHARACTERISTICS
Supply Current (Note 9) Converting, Interface and
Fans Inactive, Peak
Current
1.8 3.5 mA (max)
Converting, Interface and
Fans Inactive, Average
Current
0.53 mA
Power-On Reset Threshold Voltage 1.6 V (min)
2.8 V (max)
TEMPERATURE TO DIGITAL CONVERTER CHARACTERISTICS
Resolution 1
8
˚C
Bits
Temperature Accuracy (See (Note 10) for Thermal
Diode Processor Type)
At 25˚C ± 2.5 ˚C (max)
0˚C to 100˚C ± 3 ˚C (max)
100˚C to 125˚C ± 4 ˚C (max)
Temperature Accuracy using Internal Diode (Note
11)
0˚C to 85˚C ± 3 ˚C (max)
I
DS
External Diode Current Source High Level 188 280 µA (max)
Low Level 11.75 µA
External Diode Current Ratio 16
ANALOG TO DIGITAL CONVERTER CHARACTERISTICS
TUE Total Unadjusted Error(Note 12) LM85CIMQ -0.5/+3.5 %FS (max)
LM85BIMQ ± 2 %FS
(max)
DNL Differential Non-linearity 1 LSB
Power Supply Sensitivity ± 1 %/V
Total Monitoring Cycle Time (Note 13) All Voltage and
Temperature readings
182 200 ms (max)
LM85
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