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Dc electrical characteristics (continued) – Rainbow Electronics MAX14821 User Manual

Page 5

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MAX14821

IO-Link Device Transceiver

DC ELECTRICAL CHARACTERISTICS (continued)

(V

CC

= 18V to 36V, V

L

= 2.3V to 5.5V, V

GND

= 0V; all logic inputs at V

L

or GND; T

A

= -40NC to +85NC, unless otherwise noted. Typical

values are at V

CC

= 24V, V

L

= 3.3V, and T

A

= +25NC, unless otherwise noted.) (Note 2)

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

DO Weak Pulldown Current

I

PDDO

DO driver disabled, V

CC

= 36V,

V

DO

= (V

CC

- 1V)

40

120

F

A

DI Weak Pulldown Current

I

PDDI

DI load disabled, V

CC

= 36V,

V

DI

= (V

CC

- 1V)

50

300

F

A

C/Q Input Capacitance

C

C/Q

C/Q driver disabled

40

pF

DO Input Capacitance

C

DO

DO driver disabled

40

pF

DI Input Capacitance

C

DI

20

pF

C/Q, DI CURRENT SINK

C/Q Load Current

I

LLM_C/Q

C/Q load enabled
(C/QLoad = 1)

0V P V

C/Q

P 5V

0

9

mA

5V P V

C/Q

5

6.6

9

DI Load Current

I

LLM_DI

DI load enabled
(DiLoad = 1)

0V P V

DI

P 5V

0

9

mA

9V P V

DI

6

7.5

9

LOGIC INPUTS (TXC, TXQ, TXEN, LO, CS, SDI, SCLK)

Logic-Input Voltage Low

V

IL

0.3 x

V

L

V

Logic -Input Voltage High

V

IH

0.7 x

V

L

V

Logic-Input Leakage Current

I

LEAK

Logic input = GND or V

L

-1

+1

F

A

Logic-Input Capacitance

C

IN

5

pF

LOGIC OUTPUTS (RX, WU, LI, UV, SDO, IRQ)
Logic-Output Voltage Low

V

OL

I

OUT

= -5mA

0.4

V

Logic-Output Voltage High

V

OHRX

,

V

OHWU

, V

OHLI

,

V

OHSDO,

V

OHIRQ

,

I

OUT

= 5mA (Note 3)

V

L

-

0.6

V

SDO Leakage Current

I

LK_SDO

SDO disabled, SDO = GND or V

L

-1

+1

F

A

THERMAL SHUTDOWN
Thermal Warning Threshold

Die temperature rising, OTemp bit is set

+115

N

C

Thermal Warning Threshold
Hysteresis

Die temperature falling, OTemp bit is
cleared

20

N

C

Thermal Shutdown Threshold

Die temperature rising

+150

N

C

Thermal Shutdown Hysteresis

20

N

C