MAX14821 Ver la hoja de datos (PDF) - Maxim Integrated
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MAX14821 Datasheet PDF : 30 Pages
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MAX14821
IO-Link Device Transceiver
DC Electrical Characteristics (continued)
(VCC = 18V to 36V, VL = 2.3V to 5.5V, VGND = 0V; all logic inputs at VL or GND; TA = -40NC to +85NC, unless otherwise noted. Typical
values are at VCC = 24V, VL = 3.3V, and TA = +25NC, unless otherwise noted.) (Note 2)
PARAMETER
SYMBOL
CONDITIONS
DO Weak Pulldown Current
IPDDO
DO driver disabled, VCC = 36V,
VDO = (VCC - 1V)
DI Weak Pulldown Current
IPDDI
DI load disabled, VCC = 36V,
VDI = (VCC - 1V)
C/Q Input Capacitance
CC/Q
C/Q driver disabled
DO Input Capacitance
CDO
DO driver disabled
DI Input Capacitance
CDI
C/Q, DI CURRENT SINK
C/Q Load Current
ILLM_C/Q
C/Q load enabled
(C/QLoad = 1)
0V P VC/Q P 5V
5V P VC/Q
DI Load Current
ILLM_DI
DI load enabled
(DiLoad = 1)
LOGIC INPUTS (TXC, TXQ, TXEN, LO, CS, SDI, SCLK)
0V P VDI P 5V
9V P VDI
Logic-Input Voltage Low
VIL
MIN
40
50
0
5
0
6
0.3 x
VL
Logic -Input Voltage High
VIH
Logic-Input Leakage Current
ILEAK
Logic input = GND or VL
-1
Logic-Input Capacitance
CIN
LOGIC OUTPUTS (RX, WU, LI, UV, SDO, IRQ)
Logic-Output Voltage Low
VOL
IOUT = -5mA
TYP
40
40
20
6.6
7.5
5
MAX
120
UNITS
FA
300
FA
pF
pF
pF
9
mA
9
9
mA
9
V
0.7 x
VL
V
+1
FA
pF
0.4
V
VOHRX,
Logic-Output Voltage High
VOHWU, VOHLI,
VOHSDO,
IOUT = 5mA (Note 3)
VL -
0.6
V
VOHIRQ,
SDO Leakage Current
THERMAL SHUTDOWN
Thermal-Warning Threshold
Thermal-Warning Threshold
Hysteresis
Thermal-Shutdown Threshold
Thermal-Shutdown Hysteresis
ILK_SDO SDO disabled, SDO = GND or VL
-1
+1
FA
Die temperature rising, OTemp bit is set
+115
NC
Die temperature falling, OTemp bit is
cleared
20
NC
Die temperature rising
+150
NC
20
NC
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