Datasheet 搜索 > 温度传感器 > Maxim Integrated（美信） > DS1631Z 数据手册 > DS1631Z 数据手册 1/14 页
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DS1631Z 数据手册 - Maxim Integrated（美信）
制造商:
Maxim Integrated（美信）
分类:
温度传感器
封装:
SOIC-8
描述:
高精度数字温度计和温度监控器 High-Precision Digital Thermometer and Thermostat
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DS1631Z数据手册
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See Table 2 for Pin Descriptions.
General Description
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
3.0V ≤ V
DD
≤ 5.5V, and the DS1731 accuracy is ±1°C
from -10°C to +85°C with 3.0V ≤ V
DD
≤ 5.5V. The ther-
mostat on all three devices provides custom hysteresis
with user-defined trip points (T
H
and T
L
). The T
H
and
T
L
registers and thermometer configuration settings are
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.
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.
Applications
● Network Routers and Switches
● Cellular Base Stations
● Portable Products
● Any Space-Constrained Thermally Sensitive Product
Benets and Features
● 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
• DS1731: ±1°C Accuracy over a -10°C to +85°C Range
• User-Selectable Output Resolution from 9 Bits to
12 Bits
● 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
● 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
Ordering Information appears at end of data sheet.
19-7488; Rev 1; 1/15
Pin Congurations
2
SDA
SCL
T
OUT
GND
V
DD
A
0
A
1
A
2
DS1631
µSOP
(DS1631U+, DS1631AU+, DS1731U+)
+
1
4
3
7
8
5
6
TOP VIEW
2
SDA
SCL
T
OUT
GND
V
DD
A
0
A
1
A
2
DS1631
SO (150mil and 208mil)
(DS1631Z+, DS1631S+)
+
1
4
3
7
8
5
6
DS1631/DS1631A/
DS1731
High-Precision Digital
Thermometer and Thermostat
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