MCP9803-M/MS Microchip Technology, MCP9803-M/MS Datasheet

High-Accuracy, 12-bit Thermal Sensor With Serial Interface And Bus Timeout 8 MSO

MCP9803-M/MS

Manufacturer Part Number

MCP9803-M/MS

Description

High-Accuracy, 12-bit Thermal Sensor With Serial Interface And Bus Timeout 8 MSO

Manufacturer

Microchip Technology

Datasheets

1.MCP9800A0T-MOT.pdf (42 pages)

2.MCP9800A0T-MOT.pdf (4 pages)

3.MCP9803T-MSN.pdf (2 pages)

4.MCP9801-MSN.pdf (30 pages)

Specifications of MCP9803-M/MS

Function

Temp Monitoring System (Sensor)

Topology

ADC (Sigma Delta), Register Bank

Sensor Type

Internal

Sensing Temperature

-55°C ~ 125°C

Output Type

I²C™/SMBus™

Output Alarm

Output Fan

Yes

Voltage - Supply

2.7 V ~ 5.5 V

Operating Temperature

-55°C ~ 125°C

Mounting Type

Surface Mount

Package / Case

8-MSOP, Micro8™, 8-uMAX, 8-uSOP,

Full Temp Accuracy

+/- 0.5 C

Digital Output - Bus Interface

Serial (2-Wire, I2C)

Digital Output - Number Of Bits

12 bit

Maximum Operating Temperature

+ 125 C

Minimum Operating Temperature

- 55 C

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Lead Free Status / RoHS Status

Lead free / RoHS Compliant

Available stocks

Company

Part Number

Manufacturer

Quantity

Price

Company:

Meier Automation Equipment Co., Limited

Part Number:

MCP9803-M/MS

Manufacturer:

MICROCHIP/微芯

Quantity:

20 000

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TC72, TC74, TC77, TCN75 and MCP9800/1/2/3

Serial Output Temperature Sensor Family

Product Summary:

The TC74, TCN75 and MCP9800/1/2/3 are

temperature sensors with an on-board thermal diode

and an industry standard 2-wire serial interface. The

TC72 and TC77 are temperature sensors with an

on-board thermal diode and an SPI™ compatible

interface.

Microchip’s serial (digital) output temperature sensors

offer excellent temperature accuracy (±0.5°C typical)

with a very low operating current of less than 250 µA.

Communication with the devices is accomplished via

an industry standard I

interface protocol. A Standby mode is also available

for further reducing the total current. All devices are

offered in space-saving packages and feature very fast

temperature conversion times. Temperature resolution

for the entire family ranges from 0.0625°C to 1°C.

These temperature sensors are fully specified from 2.7V

to 5.5V and allow temperature measurement over an

extended -55°C to +125°C temperature range,

(-40°C to +125°C for the TC74). Several features

provided on select devices, address a broad application

spectrum: interrupt output for thermal event alarm,

external address pins for multi-drop capability,

programmable trip-point for maximum flexibility, one-shot

temperature measurement for further power reduction

and small footprints for board space savings.

High accuracy, low-operating current, small size and

ease-of-use make these devices ideal for implementing

sophisticated thermal management schemes in a variety

of systems.

Typical applications for these devices include:

•

PCs, servers, datacom equipment, hard drives

Set-top boxes, storage equipment, consumer

electronics

Power supplies, communication devices, office

electronics and amplifiers

General purpose temperature monitoring

M i c r o c h i p T e c h n o l o g y I n c .

C™/SMBus or SPI compatible

•

T h e E m b e d d e d C o n t r o l S o l u t i o n s C o m p a n y ®

Features:

•

Related Application Notes:

AN679

AN871

AN913

AN940

Typical accuracy as high as ±0.5°C

Operating current as low as 200 µA

2-wire I

3-wire and 4-wire SPI compatible interfaces

Standby mode for power savings, (as low as 0.1 µA)

High temperature resolution (0.0625°C to 1°C)

Fast temperature conversion times

Multi-drop capability

Small SOT-23, MSOP and DFN packages

C/SMBus compatible interface

Temperature Sensing Technologies

Solving Thermal Measurement

Problems Using the TC72 and TC77

Digital Silicon Temperature Sensors

Interfacing the TC77 Thermal Sensor to

a PICmicro® Microcontroller

Interfacing the TC72 SPI™ Digital

Temperature Sensor to a PICmicro®

Microcontroller

Related parts for MCP9803-M/MS

MCP9803-M/MS Summary of contents

Page 1

TC72, TC74, TC77, TCN75 and MCP9800/1/2/3 Serial Output Temperature Sensor Family Product Summary: The TC74, TCN75 and MCP9800/1/2/3 are temperature sensors with an on-board thermal diode and an industry standard 2-wire serial interface. The TC72 and TC77 are temperature sensors ...

Page 2

... SMBus 2 MCP9802 2-wire I C/ ±1°C SMBus 2 MCP9803 2-wire I C/ ±1°C SMBus Package Key TO-220 CT = SOT-23 Visit our web site at www.microchip.com for additional product information and your local sales office Microchip Technology Inc. • 2355 W. Chandler Blvd. • Chandler, AZ 85224-6199 • (480) 792-7200 • Fax (480) 792-9210 Information subject to change ...

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