Datasheet > TCN75A

TCN75A

更新时间： 2024-11-11 03:28:35

品牌	Logo	应用领域
美国微芯 - MICROCHIP		传感器温度传感器
页数	文件大小	规格书
32页	1046K
描述
2-Wire Serial Temperature Sensor

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中文翻译

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TCN75A 数据手册

TCN75A

2-Wire Serial Temperature Sensor

Features:

Description:

• Temperature-to-Digital Converter

• Accuracy:

Microchip Technology Inc.’s TCN75A digital tempera-

ture sensor converts temperatures between -40°C and

+125°C to a digital word, with ±1°C (typ.) accuracy.

- ±1 (typ.) from -40°C to +125°C

- ±2°C (max.) from +40°C to +125°C

• User-selectable Resolution: 0.5°C to 0.0625°C

• Operating Voltage Range: 2.7V to 5.5V

• 2-wire Interface: I²C™ Compatible

• Operating Current: 200 μA (typ.)

• Shutdown Current: 2 μA (max.)

The TCN75A product comes with user-programmable

registers that provide flexibility for temperature-sensing

applications. The register settings allow user-select-

able, 0.5°C to 0.0625°C temperature measurement

resolution, configuration of the power-saving Shutdown

and One-shot (single conversion on command while in

Shutdown) modes and the specification of both

temperature alert output and hysteresis limits. When

the temperature changes beyond the specified limits,

the TCN75A outputs an alert signal. The user has the

option of setting the alert output signal polarity as an

active-low or active-high comparator output for thermo-

stat operation, or as temperature event interrupt output

for microprocessor-based systems.

• Power-saving One-shot Temperature

Measurement

• Available Packages: MSOP-8, SOIC-8

Typical Applications:

• Personal Computers and Servers

• Hard Disk Drives and Other PC Peripherals

• Entertainment Systems

This sensor has an industry standard 2-wire, I²C™

compatible serial interface, allowing up to eight devices

to be controlled in a single serial bus. These features

make the TCN75A ideal for low-cost, sophisticated

multi-zone temperature-monitoring applications.

• Office Equipment

• Data Communication Equipment

• General Purpose Temperature Monitoring

Package Types

Typical Application

8-Pin SOIC, MSOP

V_DD

SDA

SCL

V_DD

PIC^®

Microcontroller

R_PULL-UP

ALERT

GND

V_DD

SDA

V_DD

SDA

SCL

I/O Ports

ALERT

GND

A1 6

TCN75A

DS21935C-page 1

12 3 4 5 6 7...32

中文翻译

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