參數(shù)資料
型號： DS1731U
元件分類： 溫度傳感器
英文描述： High-Precision Digital Thermometer and Thermostat
中文描述： 高精度數(shù)字溫度計和溫度
文件頁數(shù)： 4/14頁
文件大小： 243K
代理商： DS1731U
DS1631/DS1631A/DS1731
4 of 14
AC ELECTRICAL CHARACTERISTICS
(V
DD
= 2.7V to 5.5V; T
A
= -55°C to +125°C.)
CONDITION
MIN
TYP
9-bit resolution
10-bit
resolution
11-bit
resolution
12-bit
resolution
0
PARAMETER
SYMBOL
MAX
93.75
UNITS
NOTES
187.5
375
Temperature
Conversion Time
t
TC
750
ms
SCL Frequency
Bus Free Time
Between a STOP and
START Condition
START and Repeated
START Hold Time
from Falling SCL
Low Period of SCL
High Period of SCL
Repeated START
Condition Setup Time
to Rising SCL
Data-Out Hold Time
from Falling SCL
Data-In Setup Time to
Rising SCL
Rise Time of SDA and
SCL
Fall Time of SDA and
SCL
STOP Setup Time to
Rising SCL
Capacitive Load for
Each Bus Line
I/O Capacitance
Input Capacitance
Spike Pulse Width that
can be Suppressed by
Input Filter
f
SCL
400
kHz
t
BUF
1.3
μs
5
t
HD:STA
0.6
μs
5, 6
t
LOW
t
HIGH
1.3
0.6
μs
μs
5
5
t
SU:STA
0.6
μs
5
t
HD:DAT
0
0.9
μs
5
t
SU:DAT
100
ns
5
t
R
20 + 0.1C
B
1000
ns
5, 7
t
F
20 + 0.1C
B
300
ns
5, 7
t
SU:STO
0.6
μs
5
C
B
400
pF
C
I/O
C
I
10
5
pF
pF
t
SP
0
50
ns
NOTES:
1)
All voltages are referenced to GND.
2)
See Figure 2 for Typical Operating Curves.
3)
Specified with T
OUT
pin open; A
0
, A
1
, A
2
= 0V or V
DD
; and f
SCL
2Hz.
4)
Specified with temperature conversions stopped; T
OUT
pin open; SDA = V
DD
; SCL = V
DD
; and A
0
, A
1
,
A
2
= 0V or V
DD
.
5)
See Timing Diagram in Figure 3. All timing is referenced to 0.9 x V
DD
and 0.1 x V
DD
.
6)
After this period the first clock pulse is generated.
7)
For example, if C
B
= 300pF, then t
R
[min] = t
F
[min] = 50ns.
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
DS1731U/T&R 制造商:Maxim Integrated Products 功能描述:2-WIRE DIG THERMOMETER T&R USOP - Tape and Reel
DS1731U/T&R 功能描述:板上安裝溫度傳感器 RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
DS1731U/TR 制造商:DALLAS 制造商全稱:Dallas Semiconductor 功能描述:High-Precision Digital Thermometer and Thermostat
DS1731U+ 功能描述:板上安裝溫度傳感器 Digital Thermometer & Thermostat RoHS:否 制造商:Omron Electronics 輸出類型:Digital 配置: 準(zhǔn)確性:+/- 1.5 C, +/- 3 C 溫度閾值: 數(shù)字輸出 - 總線接口:2-Wire, I2C, SMBus 電源電壓-最大:5.5 V 電源電壓-最小:4.5 V 最大工作溫度:+ 50 C 最小工作溫度:0 C 關(guān)閉: 安裝風(fēng)格: 封裝 / 箱體: 設(shè)備功能:Temperature and Humidity Sensor
DS1731U+T&R 制造商:Maxim Integrated Products 功能描述:TEMP SENSOR DGTL 2-WIRE 8USOP - Tape and Reel 制造商:Maxim Integrated Products 功能描述:IC THERMOMETER DIG HI-PREC 8MSOP 制造商:Maxim Integrated Products 功能描述:Board Mount Temperature Sensors Digital Thermometer & Thermostat
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