Datasheet
MAX14821
IO-Link Device Transceiver
4Maxim Integrated
DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 18V to 36V, V
L
= 2.3V to 5.5V, V
GND
= 0V; all logic inputs at V
L
or GND; T
A
= -40NC to +85NC, unless otherwise noted. Typical
values are at V
CC
= 24V, V
L
= 3.3V, and T
A
= +25NC, unless otherwise noted.) (Note 2)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
V
5
Output Voltage Range V
5
No load on V
5
, 7V P V
LDOIN
P 36V
4.75 5.00 5.25 V
V
5
Load Regulation
1mA < I
LOAD
< 10mA, V
LDOIN
= 7V,
0.1FF bypass capacitor on V
5
0.8
%
1mA < I
LOAD
< 30mA, V
LDOIN
= 7V,
0.1FF bypass capacitor on V
5
, 10W–1FF
compensation network added to V
5
0.8
3.3V LDO (LDO33)
LDO33 Output Voltage V
LDO33
No load on LDO33 3.1 3.3 3.5 V
LDO33 Undervoltage-Lockout
Threshold
V
LDO33UVLO
V
LDO33
falling 2.4 V
LDO33 Load Regulation 1mA < I
LOAD
< 20mA, V
LDOIN
= 7V 0.25 %
24V INTERFACE
C/Q Driver Output-Voltage High V
OH_C/Q
C/Q high-side enabled, I
C/Q
= -100mA,
9V P V
CC
P 36V
V
CC
-
1.3
V
CC
–
1.3
V
C/Q Driver Output-Voltage Low V
OL_C/Q
C/Q low-side enabled, I
C/Q
= +100mA,
9V P V
CC
P 36V
1.4 3 V
C/Q Driver Source Current Limit I
OH_C/Q
C/Q high-side enabled, V
C/Q
< (V
CC
-
3V), 9V P V
CC
P 36V
+100 +140 +190 mA
C/Q Driver Sink Current Limit I
OL_C/Q
C/Q low-side enabled, V
C/Q
> 3V,
9V P V
CC
P 36V
-190 -140 -100 mA
DO Driver Output-Voltage High V
OH_DO
DO high-side enabled, I
DO
= +100mA,
9V P V
CC
P 36V
V
CC
- 3
V
CC
-
1.6
V
DO Driver Output-Voltage Low V
OL_DO
DO low-side enabled, I
DO
= -100mA,
9V P V
CC
P 36V
1.6 3 V
DO Driver Source Current Limit I
OH_DO
DO high-side enabled, V
DO
< (V
CC
- 3V) +100 +135 +190 mA
DO Driver Sink Current Limit I
OL_DO
DO high-side enabled, V
DO
> 3V -190 -135 -100 mA
C/Q, DI Input Voltage Range V
IN
For valid RX, LI -1.0
V
CC
+
1.0
V
C/Q Input Threshold High V
IH_C/Q
C/Q driver disabled 10.5 13.0 V
C/Q Input Threshold Low V
IL_C/Q
C/Q driver disabled 8.0 11.5 V
C/Q Input Hysteresis V
HYS_C/Q
C/Q driver disabled 1.0 V
DI Input Threshold High V
IH_DI
6.8 8 V
DI Input Threshold Low V
IL_DI
5.2 6.4 V
DI Input Hysteresis V
HYS_DI
1 V
C/Q Weak Pulldown Current I
PDC/Q
C/Q driver disabled, V
C/Q
= (V
CC
- 1V) 100 400
FA