Datasheet
+3V to +5V, 2500V
RMS
Isolated RS-485/RS-422
Transceivers with ±15kV ESD Protection
ELECTRICAL CHARACTERISTICS (MXL1535E) (continued)
(V
CC1
= +4.5V to +5.5V, V
CC2
= +4.5V to +7.5V, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are at V
CC1
= +5V,
V
CC2
= +5V, T
A
= +25°C.)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
Input High Voltage, DE, DI, RE V
IH
V
IH
is measured with respect to GND1 2.0 1.45 V
Input High Voltage, SLO V
IHS
V
IHS
is measured with respect to GND2 4.0 2.1 V
Input Low Voltage, DE, DI, RE V
IL
V
IL
is measured with respect to GND1 1.45 0.8 V
Input Low Voltage, SLO V
ILS
V
ILS
is measured with respect to GND2 2.1 1.0 V
Logic-Side Input Current, DE, DI I
INC
±2µA
V
A
or V
B
= +12V +0.25
Receiver Input Current I
AB
V
A
or V
B
= -7V -0.20
mA
Receiver Differential Threshold
Voltage
V
TH
-7V ≤ V
CM
≤
+12V -200 -90 -10 mV
-7V ≤ V
CM
≤
+12V, T
A
= 0°C to +70°C 10 30 70
Receiver-Input Hysteresis ΔV
TH
-7V ≤ V
CM
≤
+12V, T
A
= -40°C to +85°C 5 30 70
mV
Receiver-Input Resistance R
IN
-7V ≤ V
CM
≤
+12V (Note 1) 96 140 200 kΩ
Receiver-Input Open-Circuit
Voltage
V
OAB
2.6 V
Receiver-Output High Voltage
(RO1)
V
RO1H
I
SOURCE
= 4mA, V
CC1
= +4.5V 3.7 4.3 V
Receiver-Output Low Voltage
(RO1)
V
RO1L
I
SINK
= 4mA, V
CC1
= +4.5V 0.4 0.8 V
Driver-Output Leakage Current I
OZ
DE = low
-7V < V
Y
< +12V, -7V < V
Z
< +12V
±30 µA
Driver-Output Leakage Current I
OZ
DE = low
-7V < V
Y
< +12V, -7V < V
Z
< +12V
±30 ±100 µA
Receiver-Output (RO2) High
Voltage
V
RO2H
I
SOURCE
= 4mA, V
CC2
= +4.5V 2.8 3.4 V
Receiver-Output (RO2) Low
Voltage
V
RO2L
I
SINK
= 4mA, V
CC2
= +4.5V 0.4 0.8 V
DC-Converter Switching
Frequency (ST1, ST2)
f
SW
ST1, ST2 not loaded 290 460 590 kHz
MAX3535E/MXL1535E
Maxim Integrated
7