Datasheet > MCP9802A3T-M/OT

MCP9802A3T-M/OT

更新时间： 2024-11-14 08:07:51

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美国微芯 - MICROCHIP		/
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MCP9802A3T-M/OT

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MCP9802A3T-M/OT 数据手册

MCP9800/1/2/3

2-Wire High-Accuracy Temperature Sensor

Features:

Description:

• Temperature-to-Digital Converter

• Accuracy with 12-bit Resolution:

Microchip Technology Inc.’s MCP9800/1/2/3 family of

digital temperature sensors converts temperatures

between -55°C and +125°C to a digital word. They

provide an accuracy of ±1°C (maximum) from -10°C to

+85°C.

- ±0.5°C (typical) at +25°C

- ±1°C (maximum) from -10°C to +85°C

- ±2°C (maximum) from -10°C to +125°C

- ±3°C (maximum) from -55°C to +125°C

• User-selectable Resolution: 9-12 bit

• Operating Voltage Range: 2.7V to 5.5V

• 2-wire Interface: I²C™/SMBus Compatible

• Operating Current: 200 µA (typical)

• Shutdown Current: 1 µA (maximum)

The

MCP9800/1/2/3

family

comes

with

user-programmable registers that provide flexibility for

temperature sensing applications. The register settings

allow user-selectable 9-bit to 12-bit 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 MCP9800/1/2/3 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 thermostat operation,

or as temperature event interrupt output for

microprocessor-based systems.

• Power-saving One-shot Temperature

Measurement

• Available Packages: SOT-23-5, 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™/

SMBus compatible serial interface, allowing up to eight

devices to be controlled in a single serial bus. These

features make the MCP9800/1/2/3 ideal for

• Office Equipment

• Data Communication Equipment

• Mobile Phones

sophisticated

applications.

multi-zone

temperature-monitoring

• General Purpose Temperature Monitoring

Package Types

Typical Application

MCP9800

MCP9802

MCP9801

MCP9803

V_DD

PIC^®

Microcontroller

SOT-23-5

SOIC, MSOP

MCP9800/02

SDA

GND

PIC16F737

V_DD

SCLK

SDA

SCLK

ALERT

GND

ALERT

GND

SCLK

ALERT

I/O Port

R_PULL-UP

MCP9802/03: Serial Bus time-out 35 ms (typ.)

MCP9800/01: No Serial Bus time-out

 2010 Microchip Technology Inc.

DS21909D-page 1

12 3 4 5 6 7...42

中文翻译

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与MCP9802A3T-M/OT相关器件

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