參數(shù)資料
型號: DS1721S
廠商: MAXIM INTEGRATED PRODUCTS INC
元件分類: Switch/Digital Output Temperature Sensor
英文描述: DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 1Cel, RECTANGULAR, SURFACE MOUNT
封裝: 0.150 INCH, SOIC-8
文件頁數(shù): 7/19頁
文件大?。?/td> 356K
代理商: DS1721S
DS1721
15 of 17
DC ELECTRICAL CHARACTERISTICS:
DIGITAL THERMOMETER
(-55°C to +125°C; 2.7V
VDD 5.5V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
-10°C to +85°C,
3.0V≤VDD≤5.5V
±1.0
°C
-10°C to +85°C,
2.7V≤VDD<3.0V
±1.5
°C
DS1721
Thermometer Error
TERR
-55°C to +125°C
±2.0
°C
Resolution
9
12
bits
9-bit
Conversions
93.75
10-bit
Conversions
187.5
11-bit
Conversions
375
Conversion Time
tCONVT
12-bit
Conversions
750
ms
AC ELECTRICAL CHARACTERISTICS:
2-WIRE INTERFACE
(-55°C to +125°C; VDD=2.7V to 5.5V)
PARAMETER
SYMBOL
CONDITION
MIN
TYP
MAX
UNITS
NOTES
SCL Clock
Frequency
fSCL
Fast Mode
Standard Mode
0
400
100
KHz
Bus Free Time
Between a STOP
and START
Condition
tBUF
Fast Mode
Standard Mode
1.3
4.7
s
Hold Time
(Repeated) START
Condition
tHD:STA
Fast Mode
Standard Mode
0.6
4.0
s
5
Low Period of
SCL Clock
tLOW
Fast Mode
Standard Mode
1.3
4.7
s
High Period of
SCL Clock
tHIGH
Fast Mode
Standard Mode
0.6
4.0
s
Setup Time for a
Repeated START
Condition
tSU:STA
Fast Mode
Standard Mode
0.6
4.7
s
Data Hold Time
tHD:DAT
Fast Mode
Standard Mode
0
0.9
s
6
Data Set-up Time
tSU:DAT
Fast Mode
Standard Mode
100
250
ns
7
Rise Time of both
SDA and SCL
Signals
tR
Fast Mode
Standard Mode
20+0.1
CB
300
1000
ns
7
Fall Time of both
SDA and SCL
Signals
tF
Fast Mode
Standard Mode
20+0.1
CB
300
1000
ns
8
Set-up time for
STOP Condition
tSU:STO
Fast Mode
Standard Mode
0.6
4.0
s
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參數(shù)描述
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