Datasheet > DS1726U/TR

DS1726U/TR

更新时间： 2024-01-11 01:46:21

品牌	Logo	应用领域
达拉斯 - DALLAS		/
页数	文件大小	规格书
13页	217K
描述
Sensor/Transducer, 8 Pin, Plastic/epoxy,

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技术参数
数据手册

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DS1726U/TR 技术参数

是否Rohs认证：	不符合	生命周期：	Obsolete
包装说明：	TSSOP8,.19	Reach Compliance Code：	unknown
风险等级：	5.87	安装特点：	SURFACE MOUNT
端子数量：	8	最大工作电流：	1.25 mA
最高工作温度：	125 °C	最低工作温度：	-55 °C
封装主体材料：	PLASTIC/EPOXY	封装等效代码：	TSSOP8,.19
封装形状/形式：	RECTANGULAR	电源：	3/5 V
子类别：	Other Sensors	表面贴装：	YES
Base Number Matches：	1

DS1726U/TR 数据手册

DS1626/DS1726

High-Precision 3-Wire Digital

Thermometer and Thermostat

www.maxim-ic.com

FEATURES

PIN CONFIGURATION

C Temperature Measurements Require No

External Components

C Measure Temperatures from -55°C to +125°C

(-67°F to +257°F)

V_DD

CLK/CNV

RST

T_HIGH

T_LOW

T_COM

C DS1626: M0.5°C Accuracy from 0°C to

+70°C

GND

C DS1726: M1°C Accuracy from -10°C to

+85°C

ꢀSOP

(DS1626U, DS1726U)

C Output Resolution is User-Selectable to 9, 10,

11, or 12 Bits

See Table 1 for Ordering Information

See Table 2 for Pin Descriptions

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

C Convert Temperature to Digital Word in

750ms (max)

APPLICATIONS

C Stand-Alone Thermostat Capability

C Thermostatic Settings are User-Definable and

Nonvolatile (NV)

C Thermostatic Controls

C Industrial Controls

C Consumer Products

C Data is Read/Written Through a 3-Wire Serial

Interface

C Any Space-Constrained Thermally Sensitive

Application

C Available in 8-Pin ꢀMAX/ꢀSOP Package

DESCRIPTION

The DS1626 and DS1726 digital thermometers/thermostats provide temperature measurements and stand-

alone thermostat capability over a -55°C to +125°C range. The DS1626 offers ±0.5°C accuracy from 0°C to

+70°C and the DS1726 has ±1°C accuracy from -10°C to +85°C. The resolution of the measured

temperature is user-selectable from 9 to 12 bits. Communication with the DS1626 and DS1726 is achieved

through a 3-wire serial bus.

The DS1626 and DS1726 offer thermostatic functionality with three dedicated thermostat outputs (T_HIGH

T_LOW, and T_COM), and over-temperature (T_H) and under-temperature (T_L) user-programmable thresholds

stored in on-chip EEPROM. For stand-alone thermostat operation, T_Hand T_Lcan be programmed prior to

installation, and the DS1626/DS1726 can be configured to automatically begin taking temperature

measurements at power-up.

Pin descriptions for the DS1626 and DS1726 are provided in Table 2 and user-accessible registers are

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

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