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EMC1202

SMSC Corporation
Part Number EMC1202
Manufacturer SMSC Corporation
Description (EMC1201 / EMC1202) Single/Dual Single-Wire Temp Sensor
Published May 14, 2007
Detailed Description EMC1201/EMC1202 Single/Dual Single-Wire Temp Sensor in SOT23-5 Using SMSC BudgetBusTMSensor Interface PRODUCT FEATURES ...
Datasheet PDF File EMC1202 PDF File

EMC1202
EMC1202

Overview
EMC1201/EMC1202 Single/Dual Single-Wire Temp Sensor in SOT23-5 Using SMSC BudgetBusTMSensor Interface PRODUCT FEATURES 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.
„ „ Datasheet 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 „ PART NUMBER INTERNAL TEMPERATURE MONITOR EXTERNAL TEMPERATURE MONITOR „ „ „ „ EMC1201 EMC1202 1 1 0 1 Simplified Block Diagram EMC1201/EMC1202 Switching Current Local Temp Diode DP Analog Mux DN External Diode for EMC1202 Only 11-bit delta-sigma ADC Temperature Registers BBUS Interface BBUS SMSC EMC1201/EMC1202 DATASHEET Revision 1.
0 (06-14-06) Single/Dual Single-Wire Temp Sensor in SOT23-5 Using SMSC BudgetBusTMSensor Interface Datasheet ORDER NUMBER(S): EMC1201-AGZQ-TR IN 5 PIN SOT23-5 PACKAGE (GREEN, LEAD-FREE) EMC1202-...


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