Datasheet

MAX1480E/MAX1490E
±15kV ESD-Protected, Isolated RS-485/RS-422
Data Interfaces
_______________________________________________________________________________________ 7
V
CC
=
5
.
0
V
,
DI´=
0
V
MAX1480EC
DRIVER ENABLE TIME
DE´
2V/div
500ns/div
DRIVER
OUTPUT B
2V/div
MAX1480E/90E TOC18
_____________________________Typical Operating Characteristics (continued)
(V
CC_
= +5V, V
FS
= V
CC_
, V
DI
´
= 0, DE
´ toggled 0 to 5V at 5kHz, Figures 1 and 2, T
A
= +25°C, unless otherwise noted.)
V
CC
= 5.0V, DI´ = 0V
MAX1480EC
DRIVER DISABLE TIME
DE´
2V/div
500ns/div
DRIVER
OUTPUT B
2V/div
MAX1480E/90E TOC19
V
DI´
= 0
V
SD
= 5V TO 0 AT 1kHz
MAX1480EA/MAX1490EA
POWER-UP DELAY TO DRIVER OUTPUTS VALID
DRIVER
OUTPUT B
(Z FOR MAX1490)
2V/div
1µs/div
SD
2V/div
MAX1480E/90E TOC20
V
CC
=50V DE
´
=V
CC
MAX1480EC/MAX1490EB
RECEIVER t
PHL
RECEIVER
INPUT A
1V/div
RECEIVER
INPUT B
1V/div
RO
2V/div
200ns/div
MAX1480E/90E toc16
V
CC
=50V DE
´
=V
CC
MAX1480EC/MAX1490EB
RECEIVER t
PLH
RECEIVER
INPUT A
1V/div
RECEIVER
INPUT B
1V/div
RO
2V/div
500ns/div
MAX1480E/90E toc17