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參數(shù)資料
| 型號： | DS18S20Z/T&R |
| 廠商： | MAXIM INTEGRATED PRODUCTS INC |
| 元件分類： | Switch/Digital Output Temperature Sensor |
| 英文描述： | DIGITAL TEMP SENSOR-SERIAL, 9BIT(s), 0.50Cel, RECTANGULAR, SURFACE MOUNT |
| 封裝： | SOP-8 |
| 文件頁數(shù)： | 14/23頁 |
| 文件大?。?/td> | 252K |
| 代理商： | DS18S20Z/T&R |
DS18S20
21 of 23
AC ELECTRICAL CHARACTERISTICS—NV MEMORY
(VDD = 3.0V to 5.5V, TA = -55°C to +100°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
NV Write Cycle Time
tWR
2
10
ms
EEPROM Writes
NEEWR
-55°C to +55°C
50k
writes
EEPROM Data Retention
tEEDR
-55°C to +55°C
10
years
AC ELECTRICAL CHARACTERISTICS
(VDD = 3.0V to 5.5V; TA = -55°C to +125°C, unless otherwise noted.)
PARAMETER
SYMBOL
CONDITIONS
MIN
TYP
MAX
UNITS
NOTES
Temperature Conversion
Time
tCONV
750
ms
1
Time to Strong Pullup On
tSPON
Start Convert T
Command Issued
10
s
Time Slot
tSLOT
60
120
s
1
Recovery Time
tREC
1
s
1
Write 0 Low Time
tLOW0
60
120
s
1
Write 1 Low Time
tLOW1
1
15
s
1
Read Data Valid
tRDV
15
s
1
Reset Time High
tRSTH
480
s
1
Reset Time Low
tRSTL
480
s
1, 2
Presence-Detect High
tPDHIGH
15
60
s
1
Presence-Detect Low
tPDLOW
60
240
s
1
Capacitance
CIN/OUT
25
NOTES:
1) See the timing diagrams in Figure 17.
2) Under parasite power, if tRSTL > 960s, a power-on reset may occur.
Figure 16. Typical Performance Curve
DS18S20 Typical Error Curve
-0.5
-0.4
-0.3
-0.2
-0.1
0
0.1
0.2
0.3
0.4
0.5
0
10
20
30
40
50
60
70
Temperature (°C)
Mean Error
+3s Error
-3s Error
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