Datasheet

MAX13442E/MAX13443E/MAX13444E
±15kV ESD-Protected, ±80V Fault-Protected,
Fail-Safe RS-485/J1708 Transceivers
_______________________________________________________________________________________ 3
PARAMETER SYMBOL CONDITIONS MIN TYP MAX UNITS
RECEIVER
V
CC
= GND, V
A, B
= 12V 250
V
A, B
= -7V -150
μA
Input Current I
A,B
A, B
receive
mode
V
A, B
= ±80V ±6 mA
Receiver-Differential Threshold
Voltage
V
TH
-7V  V
CM
 +12V -200 -50 mV
Receiver-Input Hysteresis V
TH
25 mV
RECEIVER LOGIC
Output-High Voltage V
OH
Figure 2, I
OH
= -1.6mA V
CC
- 0.6 V
Output-Low Voltage V
OL
Figure 2, I
OL
= 1mA 0.4 V
Three-State Output Current at
Receiver
I
OZR
0V  V
A, B
 V
CC
±1 μA
Receiver Input Resistance R
IN
-7V  V
CM
 +12V 48 k
Receiver Output Short-Circuit
Current
I
OSR
0V  V
RO
 V
CC
±95 mA
CONTROL
Control-Input High Voltage V
CIH
DE, DE, RE 2 V
Input-Current Latch During First
Rising Edge
I
IN
DE, RE 90 μA
SUPPLY CURRENT
DE = V
CC
, RE = GND (MAX13442E)
(DE = RE = GND) (MAX13444E)
30
Normal Operation I
CC
No load,
DI = V
CC
or GND
(DE = V
CC
, RE = GND)
(MAX13443E)
10
mA
DE = GND, RE = V
CC
(MAX13442E/MAX13443E)
20
DE = GND, RE = V
CC
, T
A
= +25°C
(MAX13442E/MAX13443E)
10
DE = RE = V
CC
(MAX13444E) 100
Supply Current in Shutdown Mode I
SHDN
DE = RE = V
CC
, T
A
= +25°C (MAX13444E) 10
μA
Supply Current with Output Shorted
to ±60V
I
SHRT
DE = GND, RE = GND, no load
output in three-state (MAX13443E)
±15 mA
DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= +4.75V to +5.25V, T
A
= T
MIN
to T
MAX
, unless otherwise noted. Typical values are at V
CC
= +5V and T
A
= +25°C.)