emc1412 Standard Microsystems Corp., emc1412 Datasheet

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emc1412

Manufacturer Part Number
emc1412
Description
1?c Temperature Sensor With Beta Compensation And Selectable Address
Manufacturer
Standard Microsystems Corp.
Datasheet

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PRODUCT FEATURES
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.
Each device provides ±1° accuracy for external diode
temperatures and ±2°C accuracy for the internal diode
temperature. The EMC1412 monitors two temperature
channels (one external and one internal).
The EMC1412-A allows for multiple SMBus addresses
using the pull-up resistor on the THERM pin.
SMSC EMC1412
PRODUCT PREVIEW
Applications
Features
Notebook Computers
Desktop Computers
Industrial
Embedded applications
Programmable SMBus Address
Support for diodes requiring the BJT/transistor model
Pin compatible with ADM1032, MAX6649, and LM99
Automatically determines external diode type and
Resistance Error Correction
External Temperature Monitors
Internal Temperature Monitor
3.3V Supply Voltage
Programmable temperature limits for ALERT and
Available in Small 8-pin MSOP Lead-free RoHS
— Supports 45nm, 65nm, and 90nm CPU thermal diodes
optimal settings
— ±0.25°C Typ Accuracy (60°C < T
— 0.125°C Resolution
— Supports discrete diodes
— ±0.25°C Typ Accuracy
THERM
Compliant Package
1°C Temperature Sensor
with Beta Compensation
and Selectable Address
EMC1412
Revision 1.34 (12-02-08)
DIODE
< 100°C)
Data Brief

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emc1412 Summary of contents

Page 1

... PRODUCT FEATURES 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 ...

Page 2

... EMC1412-1-ACZL-TR FOR 8 PIN, MSOP LEAD-FREE ROHS COMPLIANT PACKAGE EMC1412-2-ACZL-TR FOR 8 PIN, MSOP LEAD-FREE ROHS COMPLIANT PACKAGE EMC1412-A-ACZL-TR FOR 8 PIN, MSOP LEAD-FREE ROHS COMPLIANT PACKAGE 80 ARKAY DRIVE, HAUPPAUGE, NY 11788 (631) 435-6000, FAX (631) 273-3123 Copyright © 2008 SMSC or its subsidiaries. All rights reserved. ...

Page 3

... Temperature Sensor with Beta Compensation and Selectable Address Block Diagram EMC1412 Switching Current Analog ΔΣ ADC Mux DP DN Internal Temp Diode SMSC EMC1412 V DD External Temperature Register(s) THERM Hysteresis Register Internal Temperature Register Status Registers GND 3 PRODUCT PREVIEW Conversion Rate Register ...

Page 4

Package Outline 3 D PIN 1 IDENTIFIER AREA (D/2 X E1/ TOP VIEW C SEATING PLANE A1 ccc C SIDE VIEW C GAUGE PLANE 0.25 SEATING PLANE 0° - 8° DETAIL "A" SCALE: ...

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