Datasheet

MAX14820
IO-Link Device Transceiver
13Maxim Integrated
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 SHORT-CIRCUIT PROTECTION
MAX14820 toc13
40µs/div
I
SINK
200mA/div
TXEN = V
L
, TXC = TXQ = GND
t
SHORT
= 200µs
V
C/Q
10V/div
0V
0mA
0V
V
IRQ
2V/div
V
CC
SUPPLY CURRENT
vs. C/Q DATA RATE
MAX14820 toc17
C/Q DATA RATE (kbps)
ICC (mA)
10010
2
4
6
8
10
12
14
16
18
0
1 1000
VLDOIN = V5 = 5V
TXEN = VL
HiSlew = 1
V
CC
= 36V
V
CC
= 30V
V
CC
= 24V
V
5
LOAD REGULATION
MAX14820 toc14
LOAD CURRENT (mA)
% VOLTAGE CHANGE
40302010
-0.45
-0.40
-0.35
-0.30
-0.25
-0.20
-0.15
-0.10
-0.05
0
-0.50
05
0
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
LDOIN SUPPLY CURRENT
vs. LDOIN VOLTAGE
MAX14820 toc18
V
LDOIN
(V)
I
LDOIN
(mA)
333012 15 18 2421 27
0.5
1.0
1.5
2.0
2.5
3.0
3.5
4.0
0
93
6
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
V
CC
= 36V
C/Q AND DO DRIVERS ENABLED
LDO5, LDO33 ARE LOADED
TXC = TXQ = LO = V
L
LDO33 LOAD REGULATION
MAX14820 toc15
LOAD CURRENT (mA)
% VOLTAGE CHANGE
40 4535302520155 10
-0.6
-0.5
-0.4
-0.3
-0.2
-0.1
0
-0.7
05
0
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
V
CC
SUPPLY CURRENT
vs. V
CC
VOLTAGE
MAX14820 toc16
V
CC
VOLTAGE (V)
I
CC
(mA)
333024 2715 18 2112
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
0
93
6
T
A
= +25°C
T
A
= +85°C
T
A
= -40°C
V
LDOIN
= 7V
C/Q AND DO DRIVERS ENABLED
LDO5, VP UNLOADED
C/Q AND DI CURRENT LOADS OFF
TXC = TXQ = LO = V
L