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MAX14821

IO-Link Device Transceiver

AC ELECTRICAL CHARACTERISTICS

PARAMETER

SYMBOL

CONDITIONS

MIN

TYP

MAX

UNITS

C/Q, DO, DI INTERFACES

Data Rate

DR

HiSlew = 1

4.8

230.4

kbps

HiSlew = 0

4.8

38.4

DRIVER (C/Q, DO)

Driver Low-to-High Propagation

Delay

Push-pull or high-side (PNP)

configuration, Figure 1

HiSlew = 1

0.5

2

F

s

HiSlew = 0

1.6

5

Driver High-to-Low Propagation

Delay

Push-pull or low-side (NPN)

configuration, Figure 1

HiSlew = 1

0.5

2

F

s

HiSlew = 0

1.6

5

Driver Skew

0.1

2

F

s

Driver Rise Time

Push-pull or high-side (PNP)

configuration, Figure 1

HiSlew = 1

0.4

1.7

F

s

HiSlew = 0

1.5

4

Driver Fall Time

Push-pull or low-side (NPN)

configuration, Figure 1

HiSlew = 1

0.4

1.7

F

s

HiSlew = 0

1.4

4

Driver Enable Time High

Push-pull or high-side (PNP)

configuration, Figure 3

HiSlew = 1

0.3

1

F

s

HiSlew = 0

0.8

7

Driver Enable Time Low

Push-pull or low-side (NPN)

configuration, Figure 2

HiSlew = 1

0.3

1

F

s

HiSlew = 0

0.9

7

Driver Disable Time High

Push-pull or high-side (PNP)

configuration, Figure 2

(Note 4)

HiSlew = 1

1.6

3

F

s

HiSlew = 0

1.6

3

Driver Disable Time Low

Push-pull or low-side (NPN)

configuration, Figure 3

(Note 4)

HiSlew = 1

0.1

3

F

s

HiSlew = 0

0.1

3

RECEIVER (C/Q, DI) (Figure 4)

Receiver Low-to-High

Propagation Delay

RxFilter = 1

0.2

2

F

s

RxFilter = 0

0.4

2

Receiver High-to-Low

Propagation Delay

RxFilter = 1

0.3

2

F

s

RxFilter = 0

0.5

2

WAKE-UP DETECTION (Figure 5)

Wake-Up Input Minimum Pulse

Width

30

40

50

F

s

Wake-Up Input Maximum Pulse

Width

120

140

160

F

s

WU Output Low Time

Valid wake-up condition on C/Q

120

190

260

F

s