MAX14821
IO-Link Device Transceiver
12
Maxim Integrated
Typical Operating Characteristics (continued)
(VCC = 24V, LDOIN = VP, VL = LDO33, C/Q and DO in push-pull configuration, TA = +25NC, unless otherwise noted.)
C/Q DRIVER OUTPUT SWITCHING
(HiSlew = 0)
MAX14821 toc07
2s/div
VC/Q
5V/div
VTXC=TXQ
2V/div
0V
Ch1 Ch2
1.430s
Ch1 Ch2
1.330s
Ch2 RISE
1.583s
Ch2 FALL
1.455s
C/Q DRIVER OUTPUT SWITCHING
(HiSlew = 1)
MAX14821 toc08
2s/div
VC/Q
5V/div
VTXC=TXQ
2V/div
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
40s/div
VC/Q
10V/div
0V
VWU
2V/div
C/Q SHORT-CIRCUIT PROTECTION
MAX14821 toc12
ISOURCE
100mA/div
TXEN = VL
TXC = TXQ = GND
tSHORT = 200s
C/Q
10V/div
40s
IRQ
2V/div