Datasheet > TC77

TC77

更新时间： 2024-11-22 21:56:59

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
22页	362K
描述
Thermal Sensor with SPI Interface

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中文翻译

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TC77 数据手册

TC77

Thermal Sensor with SPI^™Interface

Features

Description

• Digital Temperature Sensing in 5-Pin SOT-23A

The TC77 is a serially accessible digital temperature

sensor particularly suited for low cost and small form-

factor applications. Temperature data is converted from

the internal thermal sensing element and made avail-

able at anytime as a 13-bit two’s compliment digital

word. Communication with the TC77 is accomplished

via a SPI and MICROWIRE compatible interface. It has

a 12-bit plus sign temperature resolution of 0.0625°C

per Least Significant Bit (LSb). The TC77 offers a tem-

perature accuracy of ±1.0°C (max.) over the tempera-

ture range of +25°C to +65°C. When operating, the

TC77 consumes only 250 µA (typ.). The TC77’s Con-

figuration register can be used to activate the low

power Shutdown mode, which has a current consump-

tion of only 0.1 µA (typ.). Small size, low cost and ease

of use make the TC77 an ideal choice for implementing

thermal management in a variety of systems.

and 8-Pin SOIC Packages

• Outputs Temperature as a 13-Bit Digital Word

• SPI and MICROWIRE™ Compatible Interface

• Solid State Temperature Sensing

• ±1°C (max.) accuracy from +25°C to +65°C

• ±2°C (max.) accuracy from -40°C to +85°C

• ±3°C (max.) accuracy from -55°C to +125°C

• 2.7V to 5.5V Operating Range

• Low Power

- 250 µA (typ.) Continuous Conversion Mode

- 0.1 µA (typ.) Shutdown Mode

Typical Applications

• Thermal Protection for Hard Disk Drives and

Other PC Peripherals

• PC Card Devices for Notebook Computers

• Low Cost Thermostat Controls

• Industrial Control

• Office Equipment

• Cellular Phones

Package Types

SOT-23-5

SOIC

TC77

V_DD

SI/O

SCK

V_DD

V_SS

TC77

SCK

SI/O

• Thermistor Replacement

V_SS

Block Diagram

Typical Application

Internal

Diode

TC77

0.1µF

Temperature

Sensor

PICmicro

MCU

TC77

Manufacturer

ID Register

13-Bit

Sigma Delta

A/D Converter

AN0

SCK

Serial

Port

SI/O

SCK

SI/O

Interface

Temperature

SCK

SDI

Configuration

2002 Microchip Technology Inc.

DS20092A-page 1

12 3 4 5 6 7...22

中文翻译

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