Datasheet > 传感器/换能器 > 温度传感器> MCP9802A0T-M/OT

MCP9802A0T-M/OT

更新时间： 2024-11-13 03:16:07

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
30页	318K
描述
2-Wire High-Accuracy Temperature Sensor

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MCP9802A0T-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:

- ±0.5°C (typ.) at +25°C

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 (max.) from -10°C to

+85°C.

- ±1°C (max.) from -10°C to +85°C

- ±2°C (max.) from -10°C to +125°C

- ±3°C (max.) 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 (typ.)

• Shutdown Current: 1 µA (max.)

The MCP9800/1/2/3 family comes with user-program-

mable 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

the 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 fea-

tures make the MCP9800/1/2/3 ideal for sophisticated

multi-zone temperature-monitoring applications.

• Office Equipment

• Data Communication Equipment

• Mobile Phones

Package Types

• General-purpose Temperature Monitoring

MCP9800

MCP9802

MCP9801

MCP9803

Typical Application

SOT-23-5

SOIC, MSOP

V_DD

PICmicro^®

Microcontroller

SDA

DD 1

SCLK

GND

MCP9800/02

PIC16F737

SCLK

ALERT

GND

V_DD

SDA

GND

SCLK

MCP9800/02A0: A2, A1, A0 are internally set to (0, 0, 0)

MCP9800/02A5: A2, A1, A0 are internally set to (1, 0, 1)

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

ALERT

I/O Port

R_PULL-UP

 2004 Microchip Technology Inc.

DS21909B-page 1

12 3 4 5 6 7...30

中文翻译

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MCP9802A0T-M/OT 替代型号

型号	品牌	替代类型	描述	数据表
MCP9800A3T-M/OT	MICROCHIP	完全替代	MCP9800A3T-M/OT
MCP9800A0T-M/OT	MICROCHIP	完全替代	2-Wire High-Accuracy Temperature Sensor
MCP9800A5T-M/OT	MICROCHIP	类似代替	2-Wire High-Accuracy Temperature Sensor

与MCP9802A0T-M/OT相关器件

型号	品牌	获取价格	描述	数据表
MCP9802A0T-M/OTG	MICROCHIP	获取价格	DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 3Cel, RECTANGULAR, SURFACE MOUNT, LEAD FREE, PLASTIC
MCP9802A0T-M/SN	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor
MCP9802A2T-M/OT	MICROCHIP	获取价格	MCP9802A2T-M/OT
MCP9802A3T-M/OT	MICROCHIP	获取价格	MCP9802A3T-M/OT
MCP9802A5-M/MS	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor
MCP9802A5-M/OT	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor
MCP9802A5-M/SN	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor
MCP9802A5T-M/MS	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor
MCP9802A5T-M/OT	MICROCHIP	获取价格	2-Wire High-Accuracy Temperature Sensor
MCP9802A5T-M/OTG	MICROCHIP	获取价格	DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 3Cel, RECTANGULAR, SURFACE MOUNT, LEAD FREE, PLASTIC

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