Datasheet > DS1726

DS1726

更新时间： 2023-12-20 18:45:19

品牌	Logo	应用领域
亚德诺 - ADI		监控
页数	文件大小	规格书
12页	141K
描述
高精度、3线数字温度计及温度监控器

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数据手册

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DS1726 数据手册

DS1626/DS1726

High-Precision 3-Wire Digital

Thermometer and Thermostat

www.maxim-ic.com

DESCRIPTION

FEATURES

digital ꢀ Temperature Measurements Require No

The

DS1626

and

DS1726

thermometers/thermostats provide temperature

External Components

measurements and stand-alone thermostat ꢀ Measure Temperatures from -55°C to

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.

+125°C (-67°F to +257°F)

ꢀ DS1626: ±0.5°C Accuracy from 0°C to

+70°C

ꢀ DS1726: ±1°C Accuracy from -10°C to

+85°C

ꢀ Output Resolution is User Selectable to 9,

10, 11, or 12 Bits

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

ꢀ Convert Temperature to Digital Word in

750ms (max)

ꢀ Stand-Alone Thermostat Capability

ꢀ Thermostatic Settings are User Definable and

Nonvolatile (NV)

ꢀ Data is Read/Written Through a 3-Wire

Serial Interface

ꢀ Available in 8-Pin μSOP Package

The DS1626 and DS1726 offer thermostatic

functionality with three dedicated thermostat

outputs (T_HIGH

T_LOW

and T_COM), and

overtemperature (T_H) and undertemperature (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. Table 1

summarizes the user-accessible registers. Figure

1 shows a functional diagram.

PIN CONFIGURATION

TOP VIEW

V_DD

APPLICATIONS

Thermostatic Controls

Industrial Controls

CLK/CNV

RST

DS1626

DS1726

T_HIGH

T_LOW

T_COM

Consumer Products

GND

Any Space-Constrained Thermally Sensitive

Application

μSOP

ORDERING INFORMATION

PART

DS1626U

TEMP RANGE

-55°C to +125°C

PIN-PACKAGE

8 μSOP

8 μSOP, 3000-Piece

8 μSOP

8 μSOP, 3000-Piece

TOP MARK

1626

DS1626U+

1626

1726

DS1626U/T&R

DS1626U+T&R

DS1726U

DS1726U+

DS1726U/T&R

DS1726U+T&R

+Denotes a lead-free package. A “+” symbol will also be marked on the package near the Pin 1 indicator.

T&R = Tape and reel.

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REV: 071107

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