±15kV ESD-Protected, Slew-Rate-Limited,
Low-Power, RS-485/RS-422 Transceivers
DC ELECTRICAL CHARACTERISTICS (continued)
(V
CC
= 5V ±5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
MAX488E/MAX489E,
––
—
DE, DI, RE = 0V or V
CC
MAX490E/MAX491E,
––
—
DE, DI, RE = 0V or V
CC
No-Load Supply Current
(Note 3)
I
CC
MAX481E/MAX485E,
––
—
RE = 0V or V
CC
MAX1487E,
––
—
RE = 0V or V
CC
MAX483E/MAX487E,
––
—
RE = 0V or V
CC
Supply Current in Shutdown
Driver Short-Circuit Current,
V
O
= High
Driver Short-Circuit Current,
V
O
= Low
Receiver Short-Circuit Current
ESD Protection
I
SHDN
I
OSD1
I
OSD2
I
OSR
DE = V
CC
DE = 0V
DE = V
CC
DE = 0V
DE = V
CC
MAX483E
MAX487E
MIN
TYP
120
300
500
300
300
230
350
250
120
0.5
35
35
7
±15
MAX
250
500
900
500
500
400
650
400
250
10
250
250
95
µA
UNITS
MAX481E/MAX483E/MAX485E/MAX487E–MAX491E/MAX1487E
DE = 0V
––
—
MAX481E/483E/487E, DE = 0V, RE = V
CC
-7V
≤
V
O
≤12V
(Note 4)
-7V
≤
V
O
≤12V
(Note 4)
0V
≤
V
O
≤
V
CC
A, B, Y and Z pins, tested using Human Body Model
µA
mA
mA
mA
kV
SWITCHING CHARACTERISTICS—MAX481E/MAX485E, MAX490E/MAX491E, MAX1487E
(V
CC
= 5V ±5%, T
A
= T
MIN
to T
MAX
, unless otherwise noted.) (Notes 1, 2)
PARAMETER
SYMBOL
CONDITIONS
Driver Input to Output
Driver Output Skew to Output
Driver Rise or Fall Time
Driver Enable to Output High
Driver Enable to Output Low
Driver Disable Time from Low
Driver Disable Time from High
Receiver Input to Output
t
PLH
t
PHL
t
SKEW
t
R
, t
F
t
ZH
t
ZL
t
LZ
t
HZ
Figures 10 and 12, R
DIFF
= 54Ω,
C
L1
= C
L2
= 100pF
Figures 10 and 12, R
DIFF
= 54Ω, C
L1
= C
L2
= 100pF
Figures 10 and 12, MAX481E, MAX485E, MAX1487E
R
DIFF
= 54Ω,
C
L1
= C
L2
= 100pF MAX490EC/E, MAX491EC/E
Figures 11 and 13, C
L
= 100pF, S2 closed
Figures 11 and 13, C
L
= 100pF, S1 closed
Figures 11 and 13, C
L
= 15pF, S1 closed
Figures 11 and 13, C
L
= 15pF, S2 closed
20
20
3
5
MIN
10
10
TYP
40
40
5
20
20
45
45
45
45
60
60
5
20
20
20
20
2.5
50
200
50
50
50
50
600
MAX
60
60
10
40
ns
25
70
70
70
70
200
ns
150
ns
ns
ns
ns
ns
Mbps
ns
ns
ns
ns
ns
UNITS
ns
ns
Figures 10 and 14, MAX481E, MAX485E, MAX1487E
t
PLH
, t
PHL
R
DIFF
= 54Ω,
C
L1
= C
L2
= 100pF MAX490EC/E, MAX491EC/E
t
SKD
t
ZL
t
ZH
t
LZ
t
HZ
f
MAX
t
SHDN
Figures 10 and 14, R
DIFF
= 54Ω,
C
L1
= C
L2
= 100pF
Figures 9 and 15, C
RL
= 15pF, S1 closed
Figures 9 and 15, C
RL
= 15pF, S2 closed
Figures 9 and 15, C
RL
= 15pF, S1 closed
Figures 9 and 15, C
RL
= 15pF, S2 closed
MAX481E (Note 5)
|
t
PLH
- t
PHL
|
Differential
Receiver Skew
Receiver Enable to Output Low
Receiver Enable to Output High
Receiver Disable Time from Low
Receiver Disable Time from High
Maximum Data Rate
Time to Shutdown
_______________________________________________________________________________________
3
MAXIM [ MAXIM INTEGRATED PRODUCTS ]
