Datasheet

MAX14820
IO-Link Device Transceiver
11Maxim Integrated
Typical Operating Characteristics
(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 HIGH
vs. LOAD CURRENT
MAX14820 toc01
LOAD CURRENT (mA)
V
OH_C/Q
(V)
35030025020015010050
19
20
21
22
23
24
25
18
0 400
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
TXEN = V
L
TXC = TXQ = GND
C/Q DRIVER-OUTPUT LOW
vs. SINK CURRENT
MAX14820 toc02
SINK CURRENT (mA)
V
OL_C/Q
(V)
35030025020015010050
1
2
3
4
5
6
7
0
0 400
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
TXEN = V
L
TXC = TXQ = V
L
DO DRIVER-OUTPUT HIGH
vs. LOAD CURRENT
MAX14820 toc03
LOAD CURRENT (mA)
V
OH_DO
(V)
20015010050
20
21
22
23
24
25
19
0 250
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
DO DRIVER IS ENABLED
LO = GND
DO DRIVER-OUTPUT LOW
vs. SINK CURRENT
MAX14820 toc04
SINK CURRENT (mA)
V
OL_DO
(V)
20015010050
1
2
3
4
5
6
7
0
0 250
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
DO DRIVER IS ENABLED
LO = V
L
C/Q DRIVER PROPAGATION DELAY
vs. TEMPERATURE (HiSlew = 0)
MAX14820 toc05
TEMPERATURE (°C)
t
PDHL
(µs)
756030 45-15 0 15-30
1.12
1.14
1.16
1.18
1.20
1.22
1.24
1.26
1.28
1.30
1.10
-45 90
TXEN = V
L
TXC = TXQ
C/Q DRIVER PROPAGATION DELAY
vs. TEMPERATURE (HiSlew = 1)
MAX14820 toc06
TEMPERATURE (°C)
t
PDHL
(µs)
7560-30 -15 0 3015 45
0.39
0.40
0.41
0.42
0.43
0.44
0.45
0.46
0.38
-45 90
TXEN = V
L
TXC = TXQ