Datasheet

MAX14820
IO-Link Device Transceiver
5Maxim 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
DO Weak Pulldown Current I
PDDO
DO driver disabled, V
CC
= 36V,
V
DO
= (V
CC
- 1V)
40 120
FA
DI Weak Pulldown Current I
PDDI
DI load disabled, V
CC
= 36V,
V
DI
= (V
CC
- 1V)
50 300
FA
C/Q Input Capacitance C
C/Q
C/Q driver disabled 40 pF
DO Input Capacitance C
DO
DO driver disabled 40 pF
DI Input Capacitance C
DI
20 pF
C/Q, DI CURRENT SINK
C/Q Load Current I
LLM_C/Q
C/Q load enabled
(C/QLoad = 1)
0V P V
C/Q
P 5V
0 9
mA
5V P V
C/Q
5 9
DI Load Current I
LLM_DI
DI load enabled
(DiLoad = 1)
0V P V
DI
P 5V
0 9
mA
9V P V
DI
6 7.5 9
LOGIC INPUTS (TXC, TXQ, TXEN, LO, CS, SDI, SCLK)
Logic-Input Voltage Low V
IL
0.3 x
V
L
V
Logic -Input Voltage High V
IH
0.7 x
V
L
V
Logic-Input Leakage Current I
LEAK
Logic input = GND or V
L
-1 +1
FA
Logic-Input Capacitance C
IN
5 pF
LOGIC OUTPUTS (RX, WU, LI, UV, SDO, IRQ)
Logic-Output Voltage Low V
OL
I
OUT
= -5mA 0.4 V
Logic-Output Voltage High
V
OHRX
,
V
OHWU
, V
OHLI
,
V
OHSDO,
V
OHIRQ
,
I
OUT
= 5mA (Note 3)
V
L
-
0.6
V
SDO Leakage Current I
LK_SDO
SDO disabled, SDO = GND or V
L
-1 +1
FA
THERMAL SHUTDOWN
Thermal Warning Threshold Die temperature rising, OTemp bit is set +115
NC
Thermal Warning Threshold
Hysteresis
Die temperature falling, OTemp bit is
cleared
20
NC
Thermal Shutdown Threshold Die temperature rising +150
NC
Thermal Shutdown Hysteresis 20
NC