MAX31914 datasheet(3/14 Pages) MAXIM

Part #	MAX31914

Description	Ultra-Low Power Industrial

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Manufacturer	MAXIM [Maxim Integrated Products]

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Voltage on VCC24V Relative to GND ....................-0.3V to +45V

Voltage on IN1–IN8 Relative to GND

through 2.2kΩ Resistors.....................................-45V to +45V

Voltage on DB0/DB1,

VTSELECT Relative to GND..................... -0.3V to 6V + 0.3V

Ambient Temperature Range ........................... -40°C to +125°C

Junction Temperature Range ........................... -40°C to +150°C

Storage Temperature Range............................ -55°C to +125°C

Continuous Power Dissipation (TA = +70°C)

(derate 22.2mW/°C above +70°C) .........................1773.8mW

Soldering Temperature, Lead(Pb)-Free (reflow) ...............260°C

Lead Temperature (soldering, 10s) ...................................300°C

TSSOP

Junction-to-Ambient Thermal Resistance (θJA) .....45.10°C/W

Junction-to-Case Thermal Resistance (θJC).................1°C/W

(Note 1)

(TA = -40°C to +125°C, TJ ≤ 150°C, VCC24V = 7V to 36V, unless otherwise noted.)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Field-Supply Voltage

VCC24V

Note 2

7

36

V

Field Inputs Voltage

VInn

Note 3

-0.3

+36

V

Logic Inputs Voltage

VLOGIC

-0.3

+5.5

V

Current-Limit Setting Resistor

RREF

VTSELECT = logic 1

15

kΩ

VTSELECT = logic 0

150

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

Field-Supply Curent

ICC24V

IN1–IN8 = 24V, 5VOUT = open,

OP1–OP8 and all logic inputs = open

1.6

2.3

mA

Field-Supply Low Alarm Off-On

VONUVLO

7

8

V

Field-Supply Low Alarm On-Off

VOFFUVLO

9

10

V

Field Input Threshold, High to Low

VIN1-(INF)

2.2kΩ external series resistor,

VTSELECT = logic 1, RREF = 15kΩ

7

8.4

V

Field Input Threshold, Low to High

(Note 4)

VIN1+(INF)

2.2kΩ external series resistor,

VTSELECT = logic 1, RREF = 15kΩ

9.4

10.5

V

Field Input Hysterisis (Note 4)

VHYS1(INF)

2.2kΩ external series resistor,

VTSELECT = logic 1, RREF = 15kΩ

1

V

Field Input Threshold, High to Low

VIN0-(INF)

2.2kΩ external series resistor,

VTSELECT = logic 0, RREF = 150kΩ

1.5

1.7

V

MAX31914

Ultra-Low Power Industrial, Octal,

Digital Input Translator

www.maximintegrated.com

Maxim Integrated │ 3

Note 1: Package thermal resistances were obtained using the method described in JEDEC specification JESD51-7, using a four-layer

board. For detailed information on package thermal considerations, refer to

www.maximintegrated.com/thermal-tutorial.

Absolute Maximum Ratings

Stresses beyond those listed under “Absolute Maximum Ratings” may cause permanent damage to the device. These are stress ratings only, and functional operation of the device at these

or any other conditions beyond those indicated in the operational sections of the specifications is not implied. Exposure to absolute maximum rating conditions for extended periods may affect

device reliability.

Package Thermal Characteristics

Recommended Operating Conditions

DC Electrical Characteristics

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