參數(shù)資料
型號: LM95221
廠商: National Semiconductor Corporation
元件分類: 溫度/濕度傳感器
英文描述: Dual Remote Diode Digital Temperature Sensor with SMBus Interface
中文描述: 雙遠程二極管數(shù)字溫度傳感器,帶有SMBus接口
文件頁數(shù): 4/16頁
文件大?。?/td> 282K
代理商: LM95221
Absolute Maximum Ratings
(Note 1)
Supply Voltage
Voltage at SMBDAT, SMBCLK
Voltage at Other Pins
D Input Current
Input Current at All Other Pins (Note 2)
Package Input Current (Note 2)
SMBDAT Output Sink Current
Storage Temperature
Soldering Information, Lead Temperature
MSOP-8 Package (Note 3)
Vapor Phase (60 seconds)
0.3 V to 6.0 V
0.5V to 6.0V
0.3 V to (V
DD
+ 0.3 V)
±
1 mA
±
5 mA
30 mA
10 mA
65C to +150C
215C
Infrared (15 seconds)
ESD Susceptibility (Note 4)
Human Body Model
Machine Model
220C
2000 V
200 V
Operating Ratings
(Notes 1, 5)
Operating Temperature Range
Electrical Characteristics
Temperature Range
LM95221CIMM
Supply Voltage Range (V
DD
)
0C to +115C
T
MIN
T
A
T
MAX
0C
T
A
+85C
+3.0V to +3.6V
Temperature-to-Digital Converter Characteristics
Unless otherwise noted, these specifications apply for V
=+3.0Vdc to 3.6Vdc.
Boldface limits apply for T
= T
=
T
T
T
;
all other limits T
= T
=+25C, 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
(Note 6)
±
1
Limits
(Note 7)
±
3
±
1
Units
(Limit)
C (max)
C (max)
Accuracy Using Local Diode
Accuracy Using Remote Diode, see (Note 9) for
Thermal Diode Processor Type.
T
A
= 0C to +85C, (Note 8)
T
A
= +30C to
+50C
T
A
= +0C to
+85C
T
D
= +45C
to +85C
T
D
= +25C
to +140C
±
3
C (max)
Remote Diode Measurement Resolution
11
Bits
C
Bits
C
0.125
10
0.25
66
Local Diode Measurement Resolution
Conversion Time of All Temperatures at the
Fastest Setting
Quiescent Current (Note 10)
(Note 11)
73
ms (max)
SMBus Inactive, 15Hz conversion
rate
Shutdown
2.0
2.6
mA (max)
335
0.7
188
μA
V
D Source Voltage
Diode Source Current
(D+ D)=+ 0.65V; high-level
315
110
20
7
μA (max)
μA (min)
μA (max)
μA (min)
μA
μA
V (max)
V (min)
Low-level
11.75
Low-Level Diode Source Current Variation over
Temperature
T
A
= +30C to +50C
T
A
= +30C to +85C
Measure on V
DD
input, falling
edge
+0.5
+1.5
Power-On Reset Threshold
2.4
1.8
L
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