DS1731

更新时间： 2024-11-18 04:15:07

品牌	Logo	应用领域
美信 - MAXIM		监控
页数	文件大小	规格书
15页	197K
描述
High-Precision Digital Thermometer and Thermostat

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数据手册

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DS1731 数据手册

DS1631/DS1631A/DS1731

High-Precision Digital

Thermometer and Thermostat

www.maxim-ic.com

FEATURES

PIN CONFIGURATIONS

DS1631 and DS1631A Provide ±0.5°C

Accuracy over a 0°C to +70°C Range

DS1731 Provides ±1°C Accuracy over a

-10°C to +85°C Range

DS1631A Automatically Begins Taking

Temperature Measurements at Power-Up

Operating Temperature Range: -55°C to

+125°C (-67°F to +257°F)

Temperature Measurements Require No

External Components

Output Resolution is User-Selectable to 9,

10, 11, or 12 Bits

V_DD

A₀

SDA

SCL

T_OUT

GND

A₁

A₂

μSOP

(DS1631U+, DS1631AU+,

DS1731U+)

V_DD

A₀

SDA

SCL

T_OUT

GND

Wide Power-Supply Range (+2.7V to +5.5V)

Converts Temperature-to-Digital Word in

750ms (max)

A₁

A₂

Multidrop Capability Simplifies Distributed

Temperature-Sensing Applications

Thermostatic Settings are User-Definable

and Nonvolatile (NV)

Data is Read/Written Through 2-Wire Serial

Interface (SDA and SCL Pins)

All Three Devices are Available in 8-Pin

μSOP Packages and the DS1631 is Also

Available in a 150mil SO package—see

Table 1 for Ordering Information

SO (150mil and 208mil)

(DS1631Z+, DS1631S+)

See Table 2 for Pin Descriptions

APPLICATIONS

Network Routers and Switches

Cellular Base Stations

Portable Products

Any Space-Constrained Thermally Sensitive

Product

DESCRIPTION

The DS1631, DS1631A, and DS1731 digital thermometers 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 thermostat on all three devices provides custom hysteresis with user-defined trip

points (T_Hand T_L). The T_Hand T_Lregisters 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. Communication with the DS1631/DS1631A/DS1731 is achieved through a 2-wire serial

interface, and three address pins allow up to eight devices to be multidropped on the same 2-wire bus.

Pin descriptions for the DS1631/DS1631A/DS1731 are provided in Table 2 and user-accessible registers

are summarized in Table 3. A functional diagram is shown in Figure 1.

1 of 15

102307

12 3 4 5 6 7...15

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与DS1731相关器件

型号	品牌	获取价格	描述	数据表
DS1731U	DALLAS	获取价格	High-Precision Digital Thermometer and Thermostat
DS1731U	MAXIM	获取价格	High-Precision Digital Thermometer and Thermostat
DS1731U/T&R	MAXIM	获取价格	Serial Switch/Digital Sensor, 12 Bit(s), 1Cel, Square, 8 Pin, Surface Mount, USOP-8
DS1731U/TR	DALLAS	获取价格	High-Precision Digital Thermometer and Thermostat
DS1731U+	MAXIM	获取价格	High-Precision Digital Thermometer and Thermostat
DS1742	DALLAS	获取价格	Y2KC Nonvolatile Timekeeping RAM
DS1742	MAXIM	获取价格	Y2KC Nonvolatile Timekeeping RAMwww.
DS1742_V01	MAXIM	获取价格	Y2KC Nonvolatile Timekeeping RAM
DS1742-100	MAXIM	获取价格	Y2KC Nonvolatile Timekeeping RAMwww.
DS1742-100	DALLAS	获取价格	Y2KC Nonvolatile Timekeeping RAM

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