EMC1702 datasheet(14/60 Pages) MICROCHIP

14 / 60 page

EMC1702

DS20006455A



2020 Microchip Technology Inc.

APPLICATION NOTE: The EMC1702 is trimmed at the 80mV range for best accuracy.

Threshold Accuracy

(±)

VTH_ERR

VTH = 80mV

EXTERNAL TEMPERATURE MONITORS

Temperature

Accuracy (±)

0.25

°C

+20°C < TDIODE < +110°C

0°C < TA < 85°C

0.5

°C

-40°C < TDIODE < 127°C

Temperature

Resolution

0.125

°C

Diode Decoupling

Capacitor

CFILTER

2200

2700

Connected across external

diode, CPU, GPU, or AMD diode

Series Resistance

Canceled

RSERIES

100

Ohm

Sum of series resistance in both

DP and DN lines

INTERNAL TEMPERATURE MONITOR

Temperature

Accuracy (±)

0.25

°C

-5°C < TA < 85°C

°C

-40°C < TA < 85°C

Temperature

Resolution

0.125

°C

CONVERSION TIMES

First Conversion

Ready

tCONV_T

180

300

Time after power up before

temperature and voltage

measurements updated and

PRATIO updated

SMBus Delay

tSMB_D

Time before SMBus

communications should be sent

by host

DIGITAL I/O PINS (SMCLK, SMDATA, THERM, ALERT)

Input High Voltage

VIH

2.0

SMCLK, SMDATA

OD pins pulled up to VPULLUP

Input Low Voltage

VIL

0.8

Output Low Voltage

VOL

0.4

OD pin pulled to VPULLUP

4 mA current sink

Table 2.2 Electrical Specifications (continued)

VDD = VBUS = 3V TO 24V, VPULLUP = 3V TO 5.5V, TA = -40°C TO 85°C,

ALL TYPICAL VALUES AT VDD = VPULLUP = 3.3V, VBUS = 12V, AND TA = 27°C UNLESS OTHERWISE NOTED.

CHARACTERISTIC

SYMBOL

MIN

TYP

MAX

UNIT

CONDITIONS

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