MCP9804-ESLASHMS datasheet(1/54 Pages) MICROCHIP

部件名	MCP9804-E/MS

功能描述	짹0.25째C Typ. Accuracy Digital Temperature Sensor

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制造商	MICROCHIP [Microchip Technology]

网页	http://www.microchip.com

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DS22203A-page 1

MCP9804

Features

• Accuracy:

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

- 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

Typical Applications

• General Purpose

• Industrial Applications

• Industrial Freezers and Refrigerations

• Food Processing

• Personal Computers and Servers

• PC Peripherals

• Consumer Electronics

• Hand-held/Portable Devices

Temperature Accuracy

Description

Microchip

Technology

Inc.’s

MCP9804

digital

temperature sensor converts temperatures between

-40°C and +125°C to a digital word with ±0.25°C/±1°C

(typical/maximum) accuracy.

The

MCP9804

comes

with

user-programmable

registers that provide flexibility 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 MCP9804

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 Alert interrupt output for

microprocessor-based systems. The Alert output can

also be configured as a Critical temperature output

only.

This sensor has an industry standard 100 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

MCP9804

ideal

for

sophisticated

multi-zone

temperature-monitoring

applications.

Package Types

0%

10%

20%

30%

40%

Temperature Accuracy (°C)

TA = -40°C to 125°C

VDD = 3.3V

2787 units

8-Pin 2x3 DFN *

1

2

3

4

8-Pin MSOP

8

7

6

5

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

A1

A0

A2

SCL

Alert

1

2

3

4

8

7

6

5

GND

SDA

VDD

EP

9

SCL

Alert

GND

SDA

A1

A0

A2

VDD

±0.25°C Typ. Accuracy Digital Temperature Sensor

类似零件编号 - MCP9804-E/MS

制造商	部件名	数据表	功能描述
Microchip Technology	MCP9804-E/MS	1Mb / 52P	짹0.25째C Typical Accuracy Digital Temperature Sensor 11/29/11
Microchip Technology	MCP9804-E/MS	1Mb / 52P	±0.25°C Typical Accuracy Digital Temperature Sensor Revision D April 2018

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类似说明 - MCP9804-E/MS

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