DS1721 - 数字温度计和温度监控器

DS1721是Maxim美信半导体公司的一款1-Wire器件产品，DS1721是数字温度计和温度监控器，本站介绍了DS1721的封装应用图解、特点和优点、功能等，并给出了与DS1721相关的Maxim元器件型号供参考。

DS1721 - 数字温度计和温度监控器 - 1-Wire器件 - Maxim美信半导体高性能芯片品质 - 美信半导体

产品概述

The DS1721 digital thermometer and thermostat features ±1°C accuracy over a -10°C to +85°C range. Thermometer data is read out over a 2-wire serial bus in 2's complement format with 9 to 12 bits of resolution (user-programmable). The DS1721 features three address inputs, allowing users to multidrop up to eight DS1721 devices on one bus.

The DS1721 offers thermostatic functionality with over-temperature (TH) and under-temperature (TL) user-programmable trip-points stored in on-chip SRAM. The two trip-points provide programmable thermostat hysteresis: the thermostat output is asserted when the measured temperature exceeds TH and it remains active until the temperature falls below TL.

The DS1721 is available in 150mil 8-pin SO (DS1721S) and 8-pin µMAX/µSOP (DS1721U) packages. For applications requiring higher precision, the DS1631 provides ±0.5°C accuracy and is functionally compatible with the DS1721.

关键特性

以下关键特性由Maxim美信半导体提供：

±1°C accuracy from -10°C to +85°C

Measures temperatures from -55°C to +125°C (-67°F to +257°F)

9- to 12-bit user-configurable resolution

Dedicated thermostatic logic output

Thermostatic settings are user-programmable

Data is transferred over 2-wire/SMBus interface

Three address inputs allow up to eight DS1721 to operate on one bus

2.7V to 5.5V supply range

150mil 8-pin SO (DS1721S) and 8-pin µMAX/µSOP (DS1721U) packages

热门应用

报警系统

光纤通道

仪表

网络

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