Datasheet > MAX31889

MAX31889

更新时间： 2024-11-24 14:58:19

品牌	Logo	应用领域
亚德诺 - ADI		温度传感传感器温度传感器
页数	文件大小	规格书
30页	590K
描述
精度为±0.25°C的I2C温度传感器

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中文翻译

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数据手册

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MAX31889 数据手册

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MAX31889

±0.25°C Accurate I C Temperature Sensor

General Description

Benefits and Features

The MAX31889 operates from a 1.7V to 3.6V supply volt-

age, and is a low power, high-accuracy digital temperature

sensor with ±0.25ºC accuracy from -20ºC to +105ºC and

±0.65ºC accuracy from -40ºC to +125ºC. The MAX31889

has 16-bit resolution (0.005ºC).

● High Accuracy and Precision

• ±0.25ºC Accuracy from -20ºC to +105ºC

• ±0.65ºC Accuracy from -40ºC to +125ºC

● Long Battery Life

• 1.7V to 3.6V Operating Voltage

• 68µA Operating Current During Measurement

• 0.55µA Standby Current

The device uses a standard I C serial interface to commu-

nicate with a host controller. Two GPIO pins are available.

GPIO1 can be configured to trigger a temperature conver-

sion, while GPIO0 can be configured to generate an inter-

rupt for selectable status bits.

● Small Size

• 2mm x 2mm x 0.8mm, 6-Pin μDFN

● Safety and Compliance

The MAX31889 includes a 32-word FIFO for the tempera-

ture data and also includes high and low threshold digital

temperature alarms. The device is available in a 2mm x

2mm x 0.8mm, 6-pin μDFN package.

• High and Low Temperature Alarms

● I C Digital Interface

• Configurable Convert Temperature Input Pin

• Configurable Interrupt Output Pin

• 32-Word FIFO for Temperature Data

• 4 I C Addresses Available—More Addresses

Available by Request

• Unique ROM IDs Allow Device to Be NIST

Traceable

Applications

● Precision Temperature Monitoring

● RTD Replacement

● Internet of Things (IoT) Sensors

Simplified Block Diagram

MAX31889

GPIO1

SDA

CONTROL

LOGIC

GPIO0

I²C

INTERFACE

SCL

REGISTERS

TEMP

GND

V_DD

SENSOR

19-100693; Rev 1; 9/21

Ordering Information appears at end of data sheet.

12 3 4 5 6 7...30

中文翻译

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