MCP9802A0-M/OT datasheet, PDF - EEWORLD Datasheet

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MCP9802A0-M/OT: DescriptionDIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 3Cel, RECTANGULAR, SURFACE MOUNT; CategoryThe sensor Sensor/transducer; File Size576KB，42 Pages; ManufacturerMicrochip; Websitehttps://www.microchip.com; Environmental Compliance

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MCP9802A0-M/OT Overview

DIGITAL TEMP SENSOR-SERIAL, 12BIT(s), 3Cel, RECTANGULAR, SURFACE MOUNT

MCP9802A0-M/OT Parametric

Parameter Name	Attribute value
Is it lead-free?	Lead free
Is it Rohs certified?	conform to
Maker	Microchip
package instruction	PLASTIC, SC-74A, SOT-23, 5 PIN
Reach Compliance Code	compliant
Maximum accuracy (Celsius)	3 Cel
body width	1.63 mm
body height	1.45 mm
Body length or diameter	2.95 mm
shell	PLASTIC
JESD-609 code	e3
Installation features	SURFACE MOUNT
Number of digits	12
Maximum working current	0.2 mA
Maximum operating temperature	125 °C
Minimum operating temperature	-55 °C
Output interface type	2-WIRE INTERFACE
Package Shape/Form	RECTANGULAR
Sensor/Transducer Type	TEMPERATURE SENSOR,SWITCH/DIGITAL OUTPUT,SERIAL
Maximum supply voltage	5.5 V
Minimum supply voltage	2.7 V
surface mount	YES
Terminal surface	Matte Tin (Sn)
Termination type	SOLDER
Base Number Matches	1

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MCP9800/1/2/3

2-Wire High-Accuracy Temperature Sensor

Features:

• Temperature-to-Digital Converter

• Accuracy with 12-bit Resolution:

- ±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: I

C™/SMBus Compatible

• Operating Current: 200 µA (typical)

• Shutdown Current: 1 µA (maximum)

• Power-saving One-shot Temperature

Measurement

• Available Packages: SOT-23-5, MSOP-8, SOIC-8

Description:

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.

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.

This sensor has an industry standard 2-wire, I

C™/

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

sophisticated

multi-zone

temperature-monitoring

applications.

Typical Applications:

•

Personal Computers and Servers

Hard Disk Drives and Other PC Peripherals

Entertainment Systems

Office Equipment

Data Communication Equipment

Mobile Phones

General Purpose Temperature Monitoring

Typical Application

MCP9800/02

GND 2

ALERT 3

SDA

SCLK

PULL-UP

PIC

Microcontroller

PIC16F737

C™ Port

Package Types

MCP9800

MCP9802

SOT-23-5

GND 2

ALERT 3

4 SCLK

5 SDA

MCP9801

MCP9803

SOIC, MSOP

SDA 1

SCLK 2

ALERT 3

GND 4

8 V

7 A0

6 A1

5 A2

I/O Port

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.)



2010 Microchip Technology Inc.

DS21909C-page 1

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