EMC1424 datasheet(11/45 Pages) SMSC

Part #	EMC1424

Description	1째C Temperature Sensor with Hardware Thermal Shutdown

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Manufacturer	SMSC [SMSC Corporation]

Direct Link	http://www.smsc.com

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1°C Temperature Sensor with Hardware Thermal Shutdown

Datasheet

SMSC EMC1423/EMC1424

11

Revision 1.16 (03-15-07)

DATASHEET

Note 3.1

During the power up time, SMBus communication is permitted, however the SYS_SHDN

and ALERT pins must not be pulled low.

Internal Temperature Monitor

Temperature Accuracy

±0.25

±1

°C

0°C < TA < 85°C

±2

°C

Temperature Resolution

0.125

°C

External Temperature Monitor

Temperature Accuracy

±0.25

±1

°C

+20°C < TDIODE < +100°C

0°C < TA < 85°C

±0.5

±2

°C

-40°C < TDIODE < 127°C

Temperature Resolution

0.125

°C

tCONV

190

ms

EMC1423, default settings

tCONV

150

ms

EMC1424, default settings

Capacitive Filter

CFILTER

2.2

2.5

nF

Connected across external diode

ALERT and SYS_SHDN pins

Output Low Voltage

VOL

0.4

V

ISINK = 8mA

Power up time

15

ms

Temp selection read

Note 3.1

Table 3.2 Electrical Specifications (continued)

VDD = 3.0V to 3.6V, TA = -40°C to 125°C, all typical values at TA = 27°C unless otherwise noted.

CHARACTERISTIC

SYMBOL

MIN

TYP

MAX

UNITS

CONDITIONS

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EMC1424 Datasheet(PDF) 11 Page - SMSC Corporation

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