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DS1731

更新时间： 2024-11-22 14:57:35
品牌 Logo 应用领域
亚德诺 - ADI 监控
页数 文件大小 规格书
14页 457K
描述
高精度数字温度计和温度监控器

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中文翻译

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DS1731 数据手册

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DS1631/DS1631A/  
DS1731  
High-Precision Digital  
Thermometer and Thermostat  
General Description  
Benefits and Features  
The DS1631, DS1631A, and DS1731 digital thermome-  
ters provide 9, 10, 11, or 12-bit temperature readings over  
a -55°C to +125°C range. The DS1631 and DS1631A  
thermometer accuracy is ±0.5°C from 0°C to +70°C with  
● Maximize System Accuracy in Broad Range of  
Thermal Management Applications  
• Operating Temperature Range: -55°C to +125°C  
(-67°F to +257°F)  
• DS1631 and DS1631A: ±0.5°C Accuracy over 0°C  
to +70°C Range  
3.0V ≤ V  
from -10°C to +85°C with 3.0V ≤ V  
≤ 5.5V, and the DS1731 accuracy is ±1°C  
DD  
≤ 5.5V. The ther-  
DD  
• DS1731: ±1°C Accuracy over a -10°C to +85°C Range  
• User-Selectable Output Resolution from 9 Bits to  
12 Bits  
mostat on all three devices provides custom hysteresis  
with user-defined trip points (T and T ). The T and  
T registers and thermometer configuration settings are  
L
H
L
H
stored in NV EEPROM so they can be programmed prior  
to installation. In addition, the DS1631A automatically  
begins taking temperature measurements at power-up,  
which allows it to function as a stand-alone thermostat.  
● Reduce Cost with No External Components  
● Simplify Distributed Temperature-Sensing Applications  
with Multidrop Capability  
• Up to Eight Devices Can Operate on a 2-Wire Bus  
Pin descriptions for the DS1631/DS1631A/DS1731 are pro-  
vided in Table 2 and user-accessible registers are summa-  
rized in Table 3. A functional diagram is shown in Figure 1.  
● Flexible and Nonvolatile User-Defined Thermostatic  
Modes with Custom Hysteresis  
● Available in 8-Pin µSOP and SO (DS1631 and  
DS1631A Only) and the 8-Pin DIP (DS1631 Only)  
Packages  
Applications  
● Network Routers and Switches  
● Cellular Base Stations  
● Portable Products  
● Any Space-Constrained Thermally Sensitive Product  
Pin Configurations  
TOP VIEW  
+
SDA  
SCL  
1
2
3
4
8
7
6
5
V
A
A
A
DD  
DS1631  
µSOP  
0
Ordering Information appears at end of data sheet.  
See Table 2 for Pin Descriptions.  
T
OUT  
1
GND  
2
(DS1631U+, DS1631AU+, DS1731U+)  
+
SDA  
SCL  
1
2
3
4
8
7
6
5
V
A
A
A
DD  
0
DS1631  
T
OUT  
1
GND  
2
SO (150mil and 208mil)  
(DS1631Z+, DS1631S+)  
19-7488; Rev 1; 1/15  
1234567...14

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