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參數(shù)資料
| 型號： | LM85 |
| 廠商： | NATIONAL SEMICONDUCTOR CORP |
| 元件分類： | 模擬信號調(diào)理 |
| 英文描述： | Hardware Monitor with Integrated Fan Control |
| 中文描述： | SPECIALTY ANALOG CIRCUIT, PDSO24 |
| 封裝： | QSOP-24 |
| 文件頁數(shù)： | 4/26頁 |
| 文件大?。?/td> | 261K |
| 代理商： | LM85 |
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Absolute Maximum Ratings
2)
If Military/Aerospace specified devices are required,
please contact the National Semiconductor Sales Office/
Distributors for availability and specifications.
(Notes 1,
Supply Voltage, V+
Voltage on Any Digital Input or
Output Pin
Voltage on 12V Analog Input
Voltage on 5V Analog Input
Voltage on Remote1+, Remote2+, 0.5V to (V+ + 0.05V)
Current on Remote1, Remote2
Voltage on Other Analog Inputs
Input Current on Any Pin (Note 3)
Package Input Current (Note 3)
Package Dissipation at T
A
= 25C
ESD Susceptibility (Note 4)
Human Body Model
0.5V to 6.0V
0.5V to 6.0V
0.5V to 16V
0.5V to 6.66V
±
1 mA
0.5V to 6.0V
±
5 mA
±
20 mA
See (Note 5)
2500V
Machine Model
Soldering Temperature, Infrared,
10 seconds (Note 6)
Storage Temperature
250V
235C
65C to +150C
Operating Ratings
(Notes 1, 2)
LM85 Operating Temperature Range
Remote Diode Temperature Range
Supply Voltage (3.3V nominal)
V
IN
Voltage Range
+12V V
IN
+5V V
IN
+3.3V V
IN
V
CCP
and All Other Inputs
VID0–VID4
Typical Supply Current
0C
≤
T
A
≤
+85C
0C
≤
T
D
≤
+125C
+3.0V to +3.6V
0.05V to 16V
0.05V to 6.66V
3.0V to 4.4V
0.05V to (V+ + 0.05V)
0.05V to 5.5V
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
unless otherwise
specified in conditions.
Boldface limits apply for T
A
= T
MIN
to T
MAX
;
all other limits T
A
= 25C.
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
Converting, Interface and
Fans Inactive, Average
Current
1.8
3.5
mA (max)
0.53
mA
Power-On Reset Threshold Voltage
1.6
2.8
V (min)
V (max)
TEMPERATURE TO DIGITAL CONVERTER CHARACTERISTICS
Resolution
1
8
C
Bits
Temperature Accuracy (See (Note 10) for Thermal
Diode Processor Type)
At 25C
0C to 100C
100C to 125C
0C to 85C
±
2.5
±
3
±
4
±
3
C (max)
C (max)
C (max)
C (max)
Temperature Accuracy using Internal Diode (Note
11)
External Diode Current Source
I
DS
High Level
Low Level
188
11.75
16
280
μA (max)
μA
External Diode Current Ratio
ANALOG TO DIGITAL CONVERTER CHARACTERISTICS
TUE
Total Unadjusted Error(Note 12)
LM85CIMQ
LM85BIMQ
-0.5/+3.5
%FS (max)
±
2
%FS
(max)
LSB
%/V
ms (max)
DNL
Differential Non-linearity
Power Supply Sensitivity
Total Monitoring Cycle Time (Note 13)
1
±
1
182
All Voltage and
Temperature readings
200
L
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4
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