參數(shù)資料
型號(hào): DS1820
英文描述: 1-Wire Digital Thermometer
文件頁(yè)數(shù): 24/27頁(yè)
文件大?。?/td> 151K
代理商: DS1820
DS1820
030598 24/27
ABSOLUTE MAXIMUM RATINGS*
Voltage on Any Pin Relative to Ground
Operating Temperature
Storage Temperature
Soldering Temperature
–0.5V to +7.0V
–55
°
C to +125
°
C
–55
°
C to +125
°
C
260
°
C for 10 seconds
* This is a stress rating only and functional operation of the device at these or any other conditions above those
indicated in the operation sections of this specification is not implied. Exposure to absolute maximum rating
conditions for extended periods of time may affect reliability.
RECOMMENDED DC OPERATING CONDITIONS
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
Supply Voltage
V
DD
I/O Functions
±
1
/
°
C Accurate
Temperature
Conversions
2.8
4.3
5.0
5.5
5.5
V
1, 2
Data Pin
I/O
–0.5
+5.5
V
2
Logic 1
V
IH
2.0
V
CC
+0.3
V
2, 3
Logic 0
V
IL
–0.3
+0.8
V
2, 4
DC ELECTRICAL CHARACTERISTICS
(–55
°
C to +125
°
C; V
DD
=3.6V to 5.5V)
TYP
MAX
PARAMETER
SYMBOL
CONDITION
MIN
UNITS
NOTES
Thermometer Error
t
ERR
–0
°
C to +70
°
C
°
°
–55
C to 0
C
and +70
°
C to
+125
°
C
±
1
/
2
°
C
See Typical Curve
1, 9, 10
Input Logic High
V
IH
2.2
5.5
V
2, 3
Input Logic Low
V
IL
–0.3
+0.8
V
2, 4
Sink Current
I
L
V
I/O
=0.4V
–4.0
mA
2
Standby Current
I
Q
200
350
nA
8
Active Current
I
DD
1
1.5
mA
5, 6
Input Load Current
I
L
5
μ
A
7
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