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부품번호 EMC1053
기능 Triple Temperature Sensor
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EMC1053 데이터시트, 핀배열, 회로
EMC1053
1°C Triple Temperature
Sensor with Resistance
Error Correction &
Hotter of Two Zones
PRODUCT FEATURES
Datasheet
General Description
The EMC1053 is a System Management Bus (SMBus)
temperature sensor that monitors three temperature
zones, one internal diode and two externally connected
diodes, for PC and embedded environments. The
EMC1053 includes resistance error correction and
ideality factor configuration to eliminate major sources of
temperature measurement error.1
An added feature to the EMC1053 is a function that
automatically compares the two external temperature
zones and reports the hotter of the two temperatures.
Selectable conversion rates and standby mode support
low-power operation. The temperature measurement
ranges support two data ranges (and formats), -64°C to
+127°C and -64°C to +191°C.
Applications
„ Desktop and Notebook Computers
„ Hardware Management
„ Servers
„ Embedded Applications
Features
„ Supports two External Temperature Diodes
±1°C Accuracy (40°C to 80°C)
— 0.125°C Resolution
— Ideality Factor Configuration
— Accepts 2200pF Cap Across External Diodes for Noise
Suppression
— Optional Resistive Error Correction on External Diode 2
— Resistance Error Correction (up to 100 Ohms)
— Selectable Beta Compensation for Substrate Diodes
„ Internal Temperature Diode
±3°C Accuracy (0°C to 85°C)
— 0.125°C Resolution
„ Low Power Operation
— 4uA Standby Current
„ 3.0V to 3.6V Supply
„ Programmable Conversion Rate
„ SMBus 2.0 Compliant
„ Reports Hotter of Two Diodes with Dual-core CPU
1.Patents pending.
Simplified Block Diagram
DP1
DN1
Switching
Current
DP2
DN2
Local Temp
Diode
SMSC EMC1053
11-bit
delta-sigma
ADC
External Diode
1 Register
External Diode
2 Register
Internal Diode
Register
Configuration
Register
Digital Mux
and
Byte Interlock
Status Register
DATASHEET
SMCLK
SMDATA
Revision 1.44 (04-14-08)




EMC1053 pdf, 반도체, 판매, 대치품
List of Figures
1°C Triple Temperature Sensor with Resistance Error Correction & Hotter of Two Zones
Datasheet
Figure 1.1
Figure 2.1
Figure 3.1
Figure 3.2
Figure 3.3
Figure 6.1
EMC1053 Pin Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
System Management Bus Timing Diagram . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
EMC1053 Diode System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Block Diagram of Temperature Monitoring Circuit . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
External Diode Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8-Pin MSOP Package Outline - 3x3mm Body 0.65mm Pitch. . . . . . . . . . . . . . . . . . . . . . . . . 27
Revision 1.44 (04-14-08)
4
DATASHEET
SMSC EMC1053

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EMC1053 전자부품, 판매, 대치품
1°C Triple Temperature Sensor with Resistance Error Correction & Hotter of Two Zones
Datasheet
Chapter 2 Electrical Specifications
2.1 Absolute Maximum Ratings
Table 2.1 Absolute Maximum Ratings
DESCRIPTION
Supply Voltage VDD
Voltage on SMDATA and SMCLK pins
Voltage on any other pin
Operating Temperature Range
Storage Temperature Range
Lead Temperature Range
Package Thermal Characteristics for MSOP-8
Thermal Resistance TJA(at 0 air flow)
ESD Rating, All Pins Human Body Model
RATING
-0.3 to 5.0
-0.3 to 5.5
-0.3 to VDD+0.3
-40 to 125
-55 to 150
Refer to JEDEC
Spec. J-STD-020
135.9
2000
UNIT
V
V
V
°C
°C
°C/W
V
Note:
Stresses above those listed could cause damage to the device. This is a stress rating only and
functional operation of the device at any other condition above those indicated in the operation
sections of this specification is not implied. When powering this device from laboratory or
system power supplies, it is important that the Absolute Maximum Ratings not be exceeded or
device failure can result. Some power supplies exhibit voltage spikes on their outputs when the
AC power is switched on or off. In addition, voltage transients on the AC power line may appear
on the DC output. If this possibility exists, it is suggested that a clamp circuit be used.
2.2 Electrical Specifications
Table 2.2 Electrical Characteristics
VDD=3.0V to 3.6V, TA= -20°C to +85°C, Typical values at TA = 27°C unless otherwise noted
PARAMETER
SYMBOL MIN TYP MAX UNITS
CONDITIONS
DC Power
Supply Voltage
Average Operating Current
Internal Temperature Monitor
Temperature Accuracy
Temperature Resolution
VDD
IDD
ISTBY
3.0 3.3 3.6
340 400
24
V
μA 4 conversions/s
See Table 4.4.
μA Standby mode
±1 ±3
°C -20°CTA 85°C
± 1.5 °C 0°C < TA 85°C
0.125
°C
SMSC EMC1053
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DATASHEET
Revision 1.44 (04-14-08)

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EMC1053

Triple Temperature Sensor

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