MAX31730 - 3-Channel Remote Temperature Sensor

MAX31730是Maxim美信半导体公司的一款1-Wire器件产品，MAX31730是3-Channel Remote Temperature Sensor，本站介绍了MAX31730的封装应用图解、特点和优点、功能等，并给出了与MAX31730相关的Maxim元器件型号供参考。

MAX31730 - 3-Channel Remote Temperature Sensor - 1-Wire器件 - Triple Remote Temperature Sensor Provides Accurate Measurements and Simplifies Overtemperature Notification - 美信半导体

产品概述

The MAX31730 temperature sensor monitors its own temperature and the temperatures of three external diode-connected transistors. The operating supply voltage is from 3.0V to 3.6V. Resistance cancellation compensates for high series resistance in circuit-board traces and the external thermal diode, while beta compensation corrects for temperature-measurement errors due to low-beta sensing transistors.

All temperature channels have programmable temperature thresholds. When the measured temperature of a channel crosses the respective threshold, a status bit is set in the thermal status registers and the open-drain active-low THERM output asserts. A highest temperature register allows the master to obtain the temperature of the hottest channel.

The 2-wire serial interface accepts SMBus protocols (write byte, read byte, send byte, and receive byte) for reading the temperature data and programming the temperature thresholds. Any one of eight available slave addresses can be selected using the address selection input (ADD), which can be connected to ground or connected to a grounded resistor.

The MAX31730 supports 3.0V to 3.6V operation and is specified for a -40°C to +125°C operating temperature range and is available in a 10-pin µMAX® and a 12-pin, 3mm x 3mm TDFN package.

关键特性

以下关键特性由Maxim美信半导体提供：

Highest Temperature Register Simplifies and Speeds Overtemperature Notification

Accurate Temperature Measurement Helps Designers Meet Error Budgets

12-Bit, 0.0625°C Resolution

±1°C Remote Temperature-Measurement Accuracy (0°C to +100°C)

-64°C to +150°C Remote Temperature-Measurement Range

Resistance Cancellation for Remote Channels

Compensation for Low Beta Transistors

Programmable Temperature Thresholds

Integration Reduces Cost, Board Area, Power-Supply Current, and Slave Address Usage

One Local and Three Remote Temperature-Sensing Channels

Eight Selectable Slave Addresses

Flexible SMBus/I2C Bus Interfaces to a Variety of Microcontrollers

热门应用

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