EMC1428 datasheet(10/53 Pages) MICROCHIP

10 / 53 page

1°C Multiple Temperature Sensor with HW Thermal Shutdown & Hottest of Thermal Zones

Data Sheet

DS20005275A-page 10

 2014 Microchip Technology Inc.

Note 2.2

If a 1% resistor is used for RSET, then it is guaranteed to decode as shown in Table 4.1.

Supply Current

IDD

450

600

1 conversion / sec, dynamic

averaging disabled

Supply Current

IDD

900

1200

4 conversions / sec, dynamic

averaging enabled

Internal Temperature Monitor

Temperature Accuracy

±0.25

±1

°C

0°C < TA < 100°C

±2

°C

-40°C < TA < 125°C

Temperature Resolution

0.125

°C

External Temperature Monitor

Temperature Accuracy

±0.25

±1

°C

+40°C < TDIODE < +110°C

0°C < TA < 110°C

±0.5

±2

°C

-40°C < TDIODE < 127°C

Temperature Resolution

0.125

°C

Conversion Time all

Channels

tCONV

190

default settings

Capacitive Filter

CFILTER

2.2

2.7

Connected across external diode

Resistance Error

Correction

RSERIES

100



In series with DP and DN lines

TRIP_SET Measurement

Decoded Temperature

Accuracy

TSET

0.5

°C

RSET = 1% resistor

(see Note 2.2)

ALERT and SYS_SHDN pins

Output Low Voltage

VOL

0.4

ISINK = 8mA

Leakage Current

ILEAK

±5

powered or unpowered

TA < 85°C

pull-up voltage < 3.6V

Power Up Timing

First conversion ready

tCONV_f

300

Time after power up before all

channels updated with valid data

SMBus delay

tSMB_d

Delay before SMBus

communications should be sent by

host

Table 2.2 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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