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PDF EMC1203 Data sheet ( Hoja de datos )
| Número de pieza | EMC1203 | |
| Descripción | (EMC1203 / EMC1204) Triple/Quad Single-Wire Temp Sensor | |
| Fabricantes | SMSC Corporation | |
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EMC1203/EMC1204
Triple/Quad Single-Wire Temp
Sensor in MSOP-8 Using
SMSC BudgetBusTM Sensor
Interface
PRODUCT FEATURES
Datasheet
General Description
The EMC1203 and EMC1204 are temperature sensors
that communicate with a host over a single-wire SMSC
BudgetBus™ Sensor Interface. The EMC1203 has an
internal temperature sensor and monitors up to two
remote diodes. An additional remote diode is added with
the EMC1204 for a total of three remote zones, and both
devices are in a small MSOP-8 package. When used in
combination with an SMSC Super I/O host, such as a
keyboard controller, a complete thermal management
system is created. A power down mode preserves
battery life in portable applications. The internal 11-bit
sigma delta temperature-to-digital converter provides
superb linearity, high accuracy and excellent noise
immunity.
PART
NUMBER
EMC1203
EMC1204
INTERNAL
TEMPERATURE
MONITOR
1
1
REMOTE
TEMPERATURE
MONITOR
2
3
Features
Single-wire SMSC BudgetBus™ Sensor Interface
Low Power, 3.0V to 3.6V Supply
— < 50uA at 1 conversion per second
— < 2.5uA in Standby
External Temperature Sensor
— Range -63.875º C to +191.875º C
— 0.125º C resolution
— ±1º C Accuracy 60º C to 100º C
— Diode Fault Reporting
Self Contained Internal Temperature Sensor
— Range 0º C to +85º C
— 0.125º C resolution
— ±3º C Accuracy 0º C to 85º C
MSOP-8 3x3mm lead-free RoHS compliant packages
Applications
Desktop Computers
Notebook Computers
Server Applications
Simplified Block Diagram
Switching
Current
EMC1203/EMC1204
DP1
DN1
DP2/DN3
DN2/DP3
Local Temp
Diode
11-bit
Sigma Delta
ADC
Temperature
Registers
BBUS
Interface
BBUS
SMSC EMC1203/EMC1204
DATASHEET
Revision 1.1 (06-11-08)
1 page  
Triple/Quad Single-Wire Temp Sensor in MSOP-8 Using SMSC BudgetBusTM Sensor Interface
Datasheet
Chapter 2 Electrical Characteristics
Table 2.1 Electrical Characteristics
VDD=3.0V to 3.6V, TA= 0°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
VDD
IDD
Internal Temperature Measurement
IPD
Accuracy
External Temperature Measurement
Temperature Accuracy
Remote Diode 60°C to 100°C
Remote Diode 0°C to 125°C
Remote Diode 0°C to 125°C
ADC
Resolution
Conversion Time per sensor
3.0 3.3 3.6 V
600 650 μA
1.8 2.5 μA
Active mode
(continuous)
Standby mode
±1 ±3 °C
0°C≤TA≤85°C
±1
±3
TBD
°C 15°C≤TA≤70°C
°C 0°C≤TA≤85°C
°C -40°C≤TA≤125°C
0.125
20
°C
ms
SMSC EMC1203/EMC1204
5
DATASHEET
Revision 1.1 (06-11-08)
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet EMC1203.PDF ] | |
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