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PDF EMC1201 Data sheet ( Hoja de datos )
| Número de pieza | EMC1201 | |
| Descripción | (EMC1201 / EMC1202) Single/Dual Single-Wire Temp Sensor | |
| Fabricantes | SMSC Corporation | |
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EMC1201/EMC1202
Single/Dual Single-Wire Temp
Sensor in SOT23-5 Using
SMSC BudgetBusTMSensor
Interface
PRODUCT FEATURES
Datasheet
General Description
The EMC1201 and EMC1202 are temperature sensors
that communicate with a host over a single-wire SMSC
BudgetBus™ Sensor Interface. The EMC1201 has an
internal temperature sensor and the EMC1202 adds one
remote diode. Packaged in a SOT23-5, the EMC1201
provides an accurate, low-cost, low-current, solution for
critical temperature monitoring in applications such as
embedded systems or computers. 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 extends 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
EMC1201
EMC1202
INTERNAL
TEMPERATURE
MONITOR
1
1
EXTERNAL
TEMPERATURE
MONITOR
0
1
Features
Single-wire SMSC BudgetBus™ Sensor Interface
Low Power, 3.0V to 3.6V Supply
— < 50uA at 1 conversion per second
— < 3uA 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
SOT23-5 Green, Lead-free Packages
Applications
Desktop and Notebook Computers
Thermostats
Smart batteries
Industrial/Automotive
Other Electronic Systems
Simplified Block Diagram
EMC1201/EMC1202
Switching
Current
Local Temp
Diode
DP
DN
External
Diode for
EMC1202
Only
Analog
Mux
11-bit
delta-sigma
ADC
Temperature
Registers
BBUS
Interface
BBUS
SMSC EMC1201/EMC1202
DATASHEET
Revision 1.0 (06-14-06)
1 page  
Single/Dual Single-Wire Temp Sensor in SOT23-5 Using SMSC BudgetBusTMSensor 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
Internal Temperature Measurement
VDD
IDD
IPD
3.0
Accuracy
External Temperature Measurement (EMC1202 only)
Temperature Accuracy
Remote Diode 60°C to 100°C
Remote Diode 0°C to 125°C
ADC
Resolution
Conversion Time per sensor
3.3 3.6
545 560
1.8 2
±1 ±3
±1
±3
0.125
20
V
μA
μA
°C
°C
°C
°C
ms
Active mode (continuous)
Standby mode
0°C≤TA≤85°C
105°C°C≤T≤AT≤A8≤570°C°C
Active mode (continuous)
See Section 3.3, "Power
Modes"
SMSC EMC1201/EMC1202
5
DATASHEET
Revision 1.0 (06-14-06)
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet EMC1201.PDF ] | |
Hoja de datos destacado
| Número de pieza | Descripción | Fabricantes |
| EMC1201 | (EMC1201 / EMC1202) Single/Dual Single-Wire Temp Sensor | SMSC Corporation |
| EMC1202 | (EMC1201 / EMC1202) Single/Dual Single-Wire Temp Sensor | SMSC Corporation |
| EMC1203 | (EMC1203 / EMC1204) Triple/Quad Single-Wire Temp Sensor | SMSC Corporation |
| EMC1204 | (EMC1203 / EMC1204) Triple/Quad Single-Wire Temp Sensor | SMSC Corporation |
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