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MAX3491ESD-T

P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17
3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
MAX3483
MAX3485
MAX3486
TOP VIEW
NOTE: PIN LABELS Y AND Z ON TIMING, TEST, AND WAVEFORM DIAGRAMS REFER TO PINS A AND B WHEN DE IS HIGH.
1
2
3
4
8
5
V
CC
GND
DI
DE
RE
RO
R
D
Rt
Rt
7
6
D
R
DE
RE
DI
RO
A
B
1
2
3
4
8
7
6
5
V
CC
B
A
GND
DI
DE
RE
RO
DIP/SO
R
D
B
A
MAX3488
MAX3490
TOP VIEW
1
2
3
4
RO
DI
GND
8
7
6
5
A
B
Z
Y
V
CC
DIP/SO
R
D
Rt
Rt
V
CC
5
6
7
8
RO
DI
GND
4
GND
DI
RO
3
2
A
B
Y
Z
V
CC
DR
R
D
1
MAX3491
DIP/SO
TOP VIEW
Rt
Rt
DE V
CC
RE GND
V
CC
RE
GND DE
RO
DI
9
10
12
11
B
A
Z
Y
5
RO
N.C.
DI
2
1, 8
3 6, 7
13, 144
1
2
3
4
5
6
7
14
13
12
11
10
9
8
V
CC
V
CC
N.C.
A
B
Z
Y
N.C.
RO
RE
DE
DI
GND
GND
R
D
D
RD
R
Figure 2. MAX3488/MAX3490 Pin Configuration and Typical Operating Circuit
Figure 3. MAX3491 Pin Configuration and Typical Operating Circuit
Figure 1. MAX3483/MAX3485/MAX3486 Pin Configuration and Typical Operating Circuit
Maxim Integrated
7
MAX3483/MAX3485/MAX3486/
MAX3488/MAX3490/MAX3491
3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
V
CC
D
V
OD
V
OC
2
R
L
2
R
L
R
0V
V
OH
I
OH
(-)
I
OL
(+)
V
OL
V
ID
V
CC
D
V
OD
R
L
V
CM
=
-7V to +12V
375Ω
375Ω
V
CC
50Ω
R
L
=
60Ω
C
L
= 15pF (NOTE 5)
GENERATOR
(NOTE 4)
D
OUT
C
L
C
L
t
DO
t
TD
50%
1.5V
10%
OUT
IN
90%
50%
1.5V
10%
90%
3V
0V
≈ 2.0V
≈ -2.0V
t
DO
t
TD
Figure 4. Driver V
OD
and V
OC
Figure 7. Driver Differential Output Delay and Transition Times
Figure 6. Receiver V
OH
and V
OL
Figure 5. Driver V
OD
with Varying Common-Mode Voltage
MAX3483/MAX3485/MAX3486/
MAX3488/MAX3490/MAX3491
8
Maxim Integrated
3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
V
CC
V
OM
3V
0V
V
OH
V
OM
V
OM
V
OM
V
OM
V
OL
V
OH
V
OL
50Ω
R
L
= 27Ω
C
L
= 15pF
(NOTE 5)
GENERATOR
(NOTE 4)
D
t
PLH
1.5V
Y
OUT
Z
OUT
OUT
S1
IN
1.5V
≈ 1.5V
t
PHL
t
PHL
t
PLH
V
OH
+ V
OL
2
V
OM
=
3V
0V
V
OH
V
OM
0V
R
L
= 110Ω
C
L
= 50pF
(NOTE 5)
D0V OR 3V
50Ω
GENERATOR
(NOTE 4)
t
PZH
1.5V
0.25V
OUT
OUT
S1
IN
1.5V
≈ 1.5V
t
PHZ
V
OH
+ V
OL
2
V
OM
=
V
CC
R
L
= 110Ω
C
L
= 50pF
(NOTE 5)
D
50Ω
GENERATOR
(NOTE 4)
OUT
S1
3V
0V
V
CC
V
OL
V
OM
t
PSL
1.5V
0.25V
OUT
IN
1.5V
t
PLZ
0V OR 3V
Figure 8. Driver Propagation Times
Figure 9. Driver Enable and Disable Times (t
PZH
, t
PSH
, t
PHZ
)
Figure 10. Driver Enable and Disable Times (t
PZL
, t
PSL
, t
PLZ
)
Maxim Integrated
9
MAX3483/MAX3485/MAX3486/
MAX3488/MAX3490/MAX3491
P1-P3P4-P6P7-P9P10-P12P13-P15P16-P17

MAX3491ESD-T

Mfr. #:
Buy MAX3491ESD-T
Manufacturer:
Maxim Integrated
Description:
RS-422/RS-485 Interface IC 3.3V Powered, 10Mbps and Slew-Rate Limited, True RS-485/RS-422 Transceivers
Lifecycle:
New from this manufacturer.
Delivery:
DHL FedEx Ups TNT EMS
Payment:
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