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  Microchip Technology Semiconductor Electronic Components Datasheet  

EMC1412 Datasheet

Multiple Channel Temperature Sensor

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EMC1412
Multiple Channel 1°C Temperature Sensor with
Beta Compensation
PRODUCT FEATURES
Data Sheet
General Description
The EMC1412 is a high accuracy, low cost, System
Management Bus (SMBus) temperature sensor.
Advanced features such as Resistance Error Correction
(REC), Beta Compensation (to support CPU diodes
requiring the BJT/transistor model) and automatic diode
type detection combine to provide a robust solution for
complex environmental monitoring applications.
The EMC1412 monitors two temperature channels (one
external and one internal). It provides ±1°C accuracy for
both external and internal diode temperatures.
Resistance Error Correction automatically eliminates the
temperature error caused by series resistance allowing
greater flexibility in routing thermal diodes. Beta
Compensation eliminates temperature errors caused by
low, variable beta transistors common in today's fine
geometry processors. The automatic beta detection
feature monitors the external diode/transistor and
determines the optimum sensor settings for accurate
temperature measurements regardless of processor
technology. This frees the user from providing unique
sensor configurations for each temperature monitoring
application. These advanced features plus ±1°C
measurement accuracy provide a low-cost, highly
flexible and accurate solution for critical temperature
monitoring applications.
Applications
Notebook Computers
Desktop Computers
Industrial
Embedded applications
Features
Programmable SMBus address
Support for diodes requiring the BJT/transistor model
including advanced processor geometries
Automatically determines external diode type and
optimal settings
Resistance Error Correction
External Temperature Monitor
— ±1°C max accuracy (20°C < TDIODE < 110°C)
— 0.125°C resolution
— Supports up to 2.2nF diode filter capacitor
Internal Temperature Monitor
— ±1°C accuracy
— 0.125°C resolution
3.3V Supply Voltage
Programmable temperature limits for ALERT and
THERM
Available in small 8-pin 2mm x 3mm TDFN RoHS
compliant package
Available in small 8-pin MSOP RoHS compliant
package
2014 Microchip Technology Inc.
DS20005273A-page 1


  Microchip Technology Semiconductor Electronic Components Datasheet  

EMC1412 Datasheet

Multiple Channel Temperature Sensor

No Preview Available !

Multiple Channel 1°C Temperature Sensor with Beta Compensation
Data Sheet
ORDERING NUMBER
EMC1412-A-ACZL-TR
EMC1412-A-AC3-TR
EMC1412-1-ACZL-TR
EMC1412-1-AC3-TR
EMC1412-2-ACZL-TR
Ordering Information:
PACKAGE
8-pin MSOP
(RoHS compliant
8-pin TDFN 2mm x 3mm
(RoHS compliant
8-pin MSOP
(RoHS compliant
8-pin TDFN 2mm x 3mm
(RoHS compliant
8-pin MSOP
(RoHS compliant
FEATURES
Two temperature sensors, ALERT and
THERM pins, programmable SMBus address
Two temperature sensors, ALERT and
THERM pins, fixed SMBus address
Two temperature sensors, ALERT and
THERM pins, fixed SMBus address
Two temperature sensors, ALERT and
THERM pins, fixed SMBus address
Two temperature sensors, ALERT and
THERM pins, fixed SMBus address
SMBUS
ADDRESS
Selectable via
THERM pull-up
Selectable via
THERM pull-up
1001_100(r/w)
1001_100(r/w)
1001_101(r/w)
REEL SIZE IS 4,000 PIECES FOR THE MSOP
REEL SIZE IS 5,000 PIECES FOR THE TDFN
This product meets the halogen maximum concentration values per IEC61249-2-21
TO OUR VALUED CUSTOMERS
It is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchip
products. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined and
enhanced as new volumes and updates are introduced.
If you have any questions or comments regarding this publication, please contact the Marketing Communications Department via
E-mail at docerrors@microchip.com. We welcome your feedback.
Most Current Data Sheet
To obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at:
http://www.microchip.com
You can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.
The last character of the literature number is the version number, (e.g., DS30000000A is version A of document DS30000000).
Errata
An errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for cur-
rent devices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the
revision of silicon and revision of document to which it applies.
To determine if an errata sheet exists for a particular device, please check with one of the following:
• Microchip’s Worldwide Web site; http://www.microchip.com
• Your local Microchip sales office (see last page)
When contacting a sales office, please specify which device, revision of silicon and data sheet (include -literature number) you are
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DS20005273A-page 2
2014 Microchip Technology Inc.


Part Number EMC1412
Description Multiple Channel Temperature Sensor
Maker Microchip
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