MCP9808-E

更新时间： 2024-11-13 12:03:27

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
52页	1124K
描述
Â±0.5Â°C Maximum Accuracy Digital Temperature Sensor

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MCP9808-E 数据手册

MCP9808

±0.5°C Maximum Accuracy Digital Temperature Sensor

Features

Description

• Accuracy:

Microchip Technology Inc.’s MCP9808 digital

temperature sensor converts temperatures between

- ±0.25 (typical) from -40°C to +125°C

- ±0.5°C (maximum) from -20°C to 100°C

- ±1°C (maximum) from -40°C to +125°C

• User-Selectable Measurement Resolution:

- +0.5°C, +0.25°C, +0.125°C, +0.0625°C

• User-Programmable Temperature Limits:

- Temperature Window Limit

-20°C and +100°C to

digital word with

±0.25°C/±0.5°C (typical/maximum) accuracy.

The MCP9808 comes with user-programmable registers

that provide flexibility for temperature sensing

applications. The registers allow user-selectable

settings such as Shutdown or Low-Power modes and

the specification of temperature Alert window limits and

critical output limits. When the temperature changes

beyond the specified boundary limits, the MCP9808

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 a

temperature Alert interrupt output for microprocessor-

based systems. The Alert output can also be configured

as a critical temperature output only.

- Critical Temperature Limit

• User-Programmable Temperature Alert Output

• Operating Voltage Range: 2.7V to 5.5V

• Operating Current: 200 µA (typical)

• Shutdown Current: 0.1 µA (typical)

• 2-wire Interface: I²C™/SMBus Compatible

• Available Packages: 2x3 DFN-8, MSOP-8

This sensor has an industry standard 400 kHz, 2-wire,

SMBus/I²C compatible serial interface, allowing up to

eight or sixteen sensors to be controlled with a single

serial bus (see Table 3-2 for available Address codes).

These features make the MCP9808 ideal for

sophisticated, multi-zone, temperature-monitoring

applications.

Typical Applications

• General Purpose

• Industrial Applications

• Industrial Freezers and Refrigerators

• Food Processing

• Personal Computers and Servers

• PC Peripherals

Package Types

• Consumer Electronics

• Handheld/Portable Devices

8-Pin 2x3 DFN*

8-Pin MSOP

SDA 1

SDA

SCL

Temperature Accuracy

SCL

Alert

GND

Alert

GND

40%

T_A= -20°C, 25°C, 85°C, 100°C

V_DD= 3.3V

854 units

30%

* Includes Exposed Thermal Pad (EP); see Table 3-1.

20%

10%

Temperature Accuracy (°C)

DS25095A-page 1

12 3 4 5 6 7...52

中文翻译

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与MCP9808-E相关器件

型号	品牌	获取价格	描述	数据表
MCP9808-E/MC	MICROCHIP	获取价格	0.5Â°C Maximum Accuracy Digital Temperature S
MCP9808-E/MS	MICROCHIP	获取价格	0.5Â°C Maximum Accuracy Digital Temperature S
MCP9808-E-MS	MICROCHIP	获取价格	0.5Â°C Maximum Accuracy Digital Temperature S
MCP9808T-E	MICROCHIP	获取价格	Â±0.5Â°C Maximum Accuracy Digital Temperature
MCP9808T-E/MC	MICROCHIP	获取价格	0.5Â°C Maximum Accuracy Digital Temperature S
MCP9808T-E/MS	MICROCHIP	获取价格	0.5Â°C Maximum Accuracy Digital Temperature S
MCP98242	MICROCHIP	获取价格	Memory Module Temperature Sensor w/ EEPROM for SPD
MCP98242_09	MICROCHIP	获取价格	Memory Module Temperature Sensor w/EEPROM for SPD
MCP98242-BE/MC	MICROCHIP	获取价格	Memory Module Temperature Sensor w/ EEPROM for SPD
MCP98242-BE/MCBAC	MICROCHIP	获取价格	DIGITAL TEMP SENSOR-SERIAL, 16BIT(s), 2Cel, RECTANGULAR, SURFACE MOUNT, 3 X 2 MM, 0.90 MM

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