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SMSC Corporation
SMSC Corporation

EMC1412 Datasheet Preview

EMC1412 Datasheet

Multiple Channel Temperature Sensor

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EMC1412 pdf
EMC1412
Multiple Channel 1°C
Temperature Sensor with
Beta Compensation
PRODUCT FEATURES
Datasheet
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 including 45nm,
65nm and 90nm processors) 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
— supports 45nm, 65nm, and 90nm CPU thermal diodes
„ 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 lead-free
RoHS compliant package
„ Available in small 8-pin MSOP lead-free RoHS
compliant package
SMSC EMC1412
DATASHEET
Revision 1.41 (02-23-12)



SMSC Corporation
SMSC Corporation

EMC1412 Datasheet Preview

EMC1412 Datasheet

Multiple Channel Temperature Sensor

No Preview Available !

EMC1412 pdf
Multiple Channel 1°C Temperature Sensor with Beta Compensation
Datasheet
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
(lead-free RoHS compliant
8-pin TDFN 2mm x 3mm
(lead-free RoHS compliant
8-pin MSOP
(lead-free RoHS compliant
8-pin TDFN 2mm x 3mm
(lead-free RoHS compliant
8-pin MSOP
(lead-free 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
For RoHS compliance and environmental information, please visit www.smsc.com/rohs
80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000 or 1 (800) 443-SEMI
Copyright © 2012 SMSC or its subsidiaries. All rights reserved.
Circuit diagrams and other information relating to SMSC products are included as a means of illustrating typical applications. Consequently, complete information sufficient for
construction purposes is not necessarily given. Although the information has been checked and is believed to be accurate, no responsibility is assumed for inaccuracies. SMSC
reserves the right to make changes to specifications and product descriptions at any time without notice. Contact your local SMSC sales office to obtain the latest specifications
before placing your product order. The provision of this information does not convey to the purchaser of the described semiconductor devices any licenses under any patent
rights or other intellectual property rights of SMSC or others. All sales are expressly conditional on your agreement to the terms and conditions of the most recently dated
version of SMSC's standard Terms of Sale Agreement dated before the date of your order (the "Terms of Sale Agreement"). The product may contain design defects or errors
known as anomalies which may cause the product's functions to deviate from published specifications. Anomaly sheets are available upon request. SMSC products are not
designed, intended, authorized or warranted for use in any life support or other application where product failure could cause or contribute to personal injury or severe property
damage. Any and all such uses without prior written approval of an Officer of SMSC and further testing and/or modification will be fully at the risk of the customer. Copies of
this document or other SMSC literature, as well as the Terms of Sale Agreement, may be obtained by visiting SMSC’s website at http://www.smsc.com. SMSC is a registered
trademark of Standard Microsystems Corporation (“SMSC”). Product names and company names are the trademarks of their respective holders.
SMSC DISCLAIMS AND EXCLUDES ANY AND ALL WARRANTIES, INCLUDING WITHOUT LIMITATION ANY AND ALL IMPLIED WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE, TITLE, AND AGAINST INFRINGEMENT AND THE LIKE, AND ANY AND ALL WARRANTIES ARISING FROM ANY COURSE
OF DEALING OR USAGE OF TRADE. IN NO EVENT SHALL SMSC BE LIABLE FOR ANY DIRECT, INCIDENTAL, INDIRECT, SPECIAL, PUNITIVE, OR CONSEQUENTIAL
DAMAGES; OR FOR LOST DATA, PROFITS, SAVINGS OR REVENUES OF ANY KIND; REGARDLESS OF THE FORM OF ACTION, WHETHER BASED ON CONTRACT;
TORT; NEGLIGENCE OF SMSC OR OTHERS; STRICT LIABILITY; BREACH OF WARRANTY; OR OTHERWISE; WHETHER OR NOT ANY REMEDY OF BUYER IS HELD
TO HAVE FAILED OF ITS ESSENTIAL PURPOSE, AND WHETHER OR NOT SMSC HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES.
Revision 1.41 (02-23-12)
2
DATASHEET
SMSC EMC1412


Part Number EMC1412
Description Multiple Channel Temperature Sensor
Maker SMSC Corporation
Total Page 30 Pages
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