EMC1402-1-ACZL-TR SMSC, EMC1402-1-ACZL-TR Datasheet - Page 21

• Manufacturer Part Number: EMC1402-1-ACZL-TR
• Description: IC TEMP SNSR DUAL 3.3V 8MSOP
• Manufacturer: SMSC

Specifications of EMC1402-1-ACZL-TR

• Function: Temp Monitoring System (Sensor)
• Topology: ADC (Sigma Delta), Comparator, Multiplexer, Register Bank
• Sensor Type: External & Internal
• Sensing Temperature: -40°C ~ 125°C, External Sensor
• Output Type: SMBus™
• Output Alarm: No
• Output Fan: Yes
• Voltage - Supply: 3 V ~ 3.6 V
• Operating Temperature: -40°C ~ 125°C
• Mounting Type: Surface Mount
• Package / Case: 8-MSOP, Micro8™, 8-uMAX, 8-uSOP,
• For Use With: EVB-EMC1402 - EVAL BOARD FOR EMC1402
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 638-1067-2

1°C Temperature Sensor with Beta Compensation
Datasheet
SMSC EMC1402
5.12
TEMPERATURE (°C)
Diode Fault
-64
-1
0
0.125
1
64
65
127
127.875
128
190
191
>= 191.875
Note 5.1
Note 5.2
Note 5.3
Note 5.4
The EMC1402 can be configured to measure a CPU substrate transistor, a discrete 2N3904 thermal
diode, or an AMD processor diode. The diode can be connected in a variety of ways as indicated in
Figure
External Diode Connections
5.5.
In default mode, all temperatures < 0°C will be reported as 0°C.
In the extended range, all temperatures < -64°C will be reported as -64°C.
For the default range, all temperatures > +127.875°C will be reported as +127.875°C.
For the extended range, all temperatures > +191.875°C will be reported as +191.875°C.
DEFAULT RANGE 0°C TO 127°C
000 0000 0000
000 0000 0000
000 0000 0000
000 0000 0000
Note 5.1
000 0000 0001
000 0000 1000
010 0000 0000
010 0000 1000
011 1111 1000
011 1111 1111
011 1111 1111
Note 5.3
011 1111 1111
011 1111 1111
011 1111 1111
Table 5.2 Temperature Data Format
DATASHEET
21
EXTENDED RANGE -64°C TO 191°C
000 0000 0000
000 0000 0000
Note 5.2
001 1111 1000
010 0000 0000
010 0000 0001
010 0000 1000
100 0000 0000
100 0000 1000
101 1111 1000
101 1111 1111
110 0000 0000
111 1111 0000
111 1111 1000
111 1111 1111
Note 5.4
Revision 1.36 (07-02-09)