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EMC1033 1C Triple SMBus Sensor with Resistance Error Correction
PRODUCT FEATURES
General Description
The EMC1033 is an SMBus temperature sensor that monitors up to three temperature zones and can generate two system interrupts. With 1C measurement accuracy, the EMC1033 provides a low-cost solution for critical temperature monitoring applications. Features include automatic resistance error correction and programmable ideality factor configuration eliminating both major sources of temperature measurement error.1 The EMC1033 generates two separate interrupts with programmable thermal trip points. The THERM output operates as a thermostat with programmable threshold and hysteresis. The ALERT output can be configured as a maskable SMBus alert with programmable window comparator limits, or as a second THERM output. Both interrupts are maintained in an 8-pin package while a third temperature zone is added with the anti-parallel diode technique. This allows the EMC1033 to be pin compatible with the ADT7461, ADM1032, LM99, and the MAX6649 with the advantage of a third temperature zone.
1.Patents pending.

Data Brief
Features
Resistance Error Correction Ideality Factor Configuration Select 1 of 4 SMBus addresses with external resistor Remote Thermal Zones
-- 1.0C Accuracy (40C to 80C) -- 0.125C resolution
Internal Thermal Zone
-- 3.0C Accuracy (0C to 85C)

Maskable Interrupt using ALERT One-shot Command during standby Programmable temperature conversion rate Extended temperature (-64C to 191C) available Over-limit filtering with consecutive counter Small 8-lead SOIC or TSSOP package
Applications

Desktop and Notebook Computers Thermostats Smart batteries Industrial/Automotive
Simplified Block Diagram
EMC1033
Address Pointer Register Switching Current DP1 DN2
Analog Mux
Conversion Rate Register
Limit Comparator
Remote Temp Register 1
Digital Mux
High Limit Registers
Digital Mux
DN1 DP2
11-bit delta-sigma ADC
Remote Temp Register 2 Internal Temp Register
Low Limit Registers THERM Limit Register THERM Hysterisis Register Configuration Register
Internal Temp Diode
SMBus Interface
SMCLK SMDATA ALERT THERM
Status Register
Interrupt Masking
SMSC EMC1033
PRODUCT PREVIEW
Revision 1.0 (04-15-05)
1C Triple SMBus Sensor with Resistance Error Correction
ORDER NUMBER(S): EMC1033-ACM-TR FOR 8 PIN, SOIC PACKAGE (TAPE AND REEL) EMC1033-ACZB-TR FOR 8 PIN, TSSOP PACKAGE (TAPE AND REEL)
Reel size is 4,000 pieces. Evaluation Board available upon request. (EVB-EMC1033)
80 Arkay Drive Hauppauge, NY 11788 (631) 435-6000 FAX (631) 273-3123
Copyright (c) SMSC 2005. 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 1.0 (04-15-05)
PRODUCT PREVIEW
2
SMSC EMC1033
1C Triple SMBus Sensor with Resistance Error Correction
Package Outlines
Figure 1 8-Pin TSSOP Package Outline - 3x3mm Body 0.65mm Pitch Table 1 8-Pin TSSOP Package Parameters MIN A A1 A2 D E E1 H L L1 e 0.80 0.05 0.75 2.80 4.65 2.80 0.08 0.40 NOMINAL ~ ~ 0.85 3.00 4.90 ~ ~ ~ 0.95 REF 0.65 BSC 0o 0.22 ~ ~ ~ ~ 8o 0.38 0.10 MAX 1.10 0.15 0.95 3.20 5.15 3.20 0.23 0.80 REMARKS Overall Package Height Standoff Body Thickness X Body Size Y Span Y body Size Lead Foot Thickness Lead Foot Length Lead Length Lead Pitch Lead Foot Angle Lead Width Coplanarity
W ccc
Notes: 1. Controlling Unit: millimeters. 2. Tolerance on the true position of the leads is 0.065 mm maximum. 3. Package body dimensions D and E1 do not include mold protrusion or flash. Dimensions D and E1 to be determined at datum plane H. Maximum mold protrusion or flash is 0.15mm (0.006 inches) per end, and 0.15mm (0.006 inches) per side. 4. Dimension for foot length L measured at the gauge plane 0.25 mm above the seating plane. 5. Details of pin 1 identifier are optional but must be located within the zone indicated.
SMSC EMC1033
PRODUCT PREVIEW
3
Revision 1.0 (04-15-05)
Revision 1.0 (04-15-05)
3 E1 5 INDEX AREA (D/2 X E1/2)
1C Triple SMBus Sensor with Resistance Error Correction
REVISION HISTORY
REVISION A DESCRIPTION INITIAL RELEASE DATE 7/07/04 RELEASED BY S.K.ILIEV
D
3 e
SEE DETAIL "A"
8
E
1
2 4 8X b 2 4 c
TOP VIEW
END VIEW
4 PRODUCT PREVIEW SMSC EMC1033
C A2 SEATING PLANE ccc C A
A1
SIDE VIEW
3-D VIEW
NOTES: 1. ALL DIMENSIONS ARE IN MILLIMETER. 2. TRUE POSITION SPREAD TOLERANCE IS 0.125mm AT MAXIMUM MATERIAL CONDITION. 3. PACKAGE BODY DIMENSION "D" DOES NOT INCLUDE MOLD FLASH, PROTRUSIONS OR GATE BURRS. MAXIMUM MOLD FLASH, PROTRUSIONS OR GATE BURRS IS 0.15 mm PER END. DIMENSION "E1" DOES NOT INCLUDE INTERLEAD FLASH OR PROTRUSION. MAXIMUM INTERLEAD FLASH OR PROTRUSION IS 0.25 mm PER SIDE. "D1" & "E1" DIMENSIONS ARE DETERMINED AT DATUM PLANE "H". 4. DIMENSIONS "b" & "c" APPLY TO THE FLAT SECTION OF THE LEAD BETWEEN 0.10 TO 0.25 mm FROM THE LEAD TIP. 5. THE CHAMFER FEATURE IS OPTIONAL. IF IT IS NOT PRESENT, THEN A PIN 1 IDENTIFIER MUST BE LOCATED WITHIN THE INDEX AREA INDICATED.
H
0.25 GAUGE PLANE
L L1
0
UNLESS OTHERWISE SPECIFIED DIMENSIONS ARE IN MILLIMETERS AND TOLERANCES ARE: DECIMAL 0.1 X.X X.XX 0.05 X.XXX 0.025 ANGULAR 1
THIRD ANGLE PROJECTION
80 ARKAY DRIVE HAUPPAUGE, NY 11788 USA
DETAIL "A"
SCALE: 3/1
TITLE
DIM AND TOL PER ASME Y14.5M - 1994
MATERIAL
NAME
DRAWN
DATE
-
S.K.ILIEV
CHECKED
7/07/04 7/07/04
PACKAGE OUTLINE 8 PIN SOIC, 3.9mm BODY WIDTH, 1.27mm PITCH
DWG NUMBER
FINISH
S.K.ILIEV
APPROVED
MO-8-SOIC-4.9x3.9
STD COMPLIANCE SHEET
REV
A 1 OF 1
PRINT W ITH "SCALE TO FIT" DO NOT SCALE DRAWING
SCALE
S.K.ILIEV
7/07/04
1:1
JEDEC: MS-012 / AA
Figure 2 8-Pin SOIC Package Outline and Parameters - 3.9mm Body, 1.27mm Pitch

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