Typical operating characteristics (continued) – Rainbow Electronics MAX14821 User Manual
Page 12
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MAX14821
IO-Link Device Transceiver
Typical Operating Characteristics (continued)
(V
CC
= 24V, LDOIN = V
P
, V
L
= LDO33, C/Q and DO in push-pull configuration, T
A
= +25NC, unless otherwise noted.)
C/Q DRIVER OUTPUT SWITCHING
(HiSlew = 0)
MAX14821 toc07
2µs/div
V
C/Q
5V/div
V
TXC=TXQ
2V/div
0V
0V
Ch1 Ch2
1.430µs
Ch1 Ch2
1.330µs
Ch2 RISE
1.583µs
Ch2 FALL
1.455µs
C/Q DRIVER OUTPUT SWITCHING
(HiSlew = 1)
MAX14821 toc08
2µs/div
V
C/Q
5V/div
V
TXC=TXQ
2V/div
0V
0V
Ch1 Ch2
357.1ns
Ch1 Ch2
335.4ns
Ch2 RISE
343.5ns
Ch2 FALL
331.7ns
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE (RxFilter = 0)
MAX14821 toc09
TEMPERATURE (°C)
t
PRHL
(ns)
75
60
30 45
-15
0
15
-30
150
200
250
300
350
400
450
500
550
100
-45
90
DI TO LI
C/Q TO RX
RECEIVER PROPAGATION DELAY
vs. TEMPERATURE (RxFilter = 1)
MAX14821 toc10
TEMPERATURE (°C)
t
PRHL
(ns)
75
60
-30 -15
0
30
15
45
50
100
150
200
250
300
350
400
0
-45
90
DI TO LI
C/Q TO RX
WAKE-UP DETECTION
MAX14821 toc11
40µs/div
V
C/Q
10V/div
0V
0V
V
WU
2V/div
C/Q SHORT-CIRCUIT PROTECTION
MAX14821 toc12
I
SOURCE
100mA/div
TXEN = V
L
TXC = TXQ = GND
t
SHORT
= 200µs
C/Q
10V/div
40µs
IRQ
2V/div