Datasheet

RS-485 Transceivers with Low-Voltage
Logic Interface
DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +3V to +5.5V, V
L
= +1.8V to V
CC
, T
A
= -40°C to +85°C, unless otherwise noted. Typical values are V
CC
= +5V, V
L
= +1.8V at
T
A
= +25°C.) (Notes 2, 3)
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
V
IN
= +12V 125
Output Leakage Current
(Y and Z)
I
OLK
DE = GND,
V
CC
= V
GND
or +5.5V
V
IN
= -7V -100
µA
0 ≤ V
OUT
≤ +12V +250
Driver Short-Circuit Output
Current (Note 5)
I
OSD
-7V ≤ V
OUT
≤ V
CC
-250
mA
(V
CC
- 1V) ≤ V
OUT
≤ +12V 15
Driver Short-Circuit Output
Foldback Current (Note 5)
I
OSDF
-7V ≤ V
OUT
≤ +1V -15
mA
Thermal Shutdown Threshold T
TS
+150 °C
Thermal Shutdown Hysteresis T
TSH
15 °C
RECEIVER
V
CM
= +12V 125
Input Current (A and B) I
A, B
DE = GND,
V
CC
= V
GND
or +5.5V
V
CM
= -7V -100
µA
Receiver Differential Threshold
Voltage
V
TH
-7V ≤ V
CM
≤ +12V -200 -50 mV
Receiver Input Hysteresis ΔV
TH
V
CM
= 0 15 mV
Receiver Input Resistance R
IN
-7V ≤ V
CM
≤ +12V 96 kΩ
LOGIC INTERFACE
Input High Logic Level
(DI, DE, RE)
V
IH
2/3 x
V
L
V
Input Low Logic Level
(DI, DE, RE)
V
IL
1/3 x
V
L
V
Input Current (DI, DE, RE)I
IN
V
DI
= V
DE
= V
RE
= V
L
= +5.5V ±1 µA
Input Impedance on First
Transition
R
DE
,
RE
110kΩ
Output High Logic Level (RO) V
OH
I
O
= -1mA, V
A
- V
B
= V
TH
V
L
- 0.4 V
Output Low Logic Level (RO) V
OL
I
O
= 1mA, V
A
- V
B
= -V
TH
0.4 V
Receiver Three-State Output
Current (RO)
I
OZR
0 ≤ V
RO
≤ V
L
-1 0.01 +1 µA
Receiver Output Short-Circuit
Current (RO)
I
OSR
0 ≤ V
RO
≤ V
L
-110 +110 mA
ESD PROTECTION
IEC 61000-4-2 Air Gap Discharge ±15
IEC 61000-4-2 Contact Discharge ±10A, B, Y, Z to GND
Human Body Model ±30
kV
All Other Pins
(Except A, B, Y, and Z)
Human Body Model ±2 kV
MAX13430E–MAX13433E
Maxim Integrated
3