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MAX3483 Datasheet(PDF) 6 Page - Maxim Integrated Products

Part No. MAX3483
Description  3.3V-Powered, 10Mbps and Slew-Rate-Limited True RS-485/RS-422 Transceivers
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Maker  MAXIM [Maxim Integrated Products]
Homepage  http://www.maxim-ic.com
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MAX3483 Datasheet(HTML) 6 Page - Maxim Integrated Products

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3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
6
_______________________________________________________________________________________
0.8
0.7
0.9
1.0
1.1
1.2
-40
-20
0
20
40
60
100
80
SUPPLY CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
X = DON’T CARE
DE = VCC, RE = X
DE = 0, RE = 0
_____________________________Typical Operating Characteristics (continued)
0
10
20
30
40
50
60
70
80
100
90
-40
-20
0
20
40
60
100
80
SHUTDOWN CURRENT
vs. TEMPERATURE
TEMPERATURE (°C)
______________________________________________________________Pin Description
3
4
5
6
8
7
1
MAX3483/
MAX3485/
MAX3486
2
1
2
3
4
5
6
7
8
2
Receiver Output. If A > B by 200mV, RO will be high; if A < B by 200mV,
RO will be low.
3
Receiver Output Enable. RO is enabled when RE is low; RO is high imped-
ance when RE is high. If RE is high and DE is low, the device will enter a
low-power shutdown mode.
4
Driver Output Enable. The driver outputs are enabled by bringing DE high.
They are high impedance when DE is low. If RE is high and DE is low, the
device will enter a low-power shutdown mode. If the driver outputs are
enabled, the parts function as line drivers. While they are high impedance,
they function as line receivers if RE is low.
5
Driver Input. A low on DI forces output Y low and output Z high. Similarly, a
high on DI forces output Y high and output Z low.
6, 7
Ground
9
Noninverting Driver Output
10
Inverting Driver Output
Noninverting Receiver Input and Noninverting Driver Output
12
Noninverting Receiver Input
RO
RE
DE
DI
GND
Y
Z
A
A
B
Inverting Receiver Input and Inverting Driver Output
11
B
Inverting Receiver Input
13, 14
VCC
Positive Supply: 3.0V
≤ VCC ≤ 3.6V
1, 8
N.C.
No Connect—not internally connected
MAX3488/
MAX3490
PIN
FUNCTION
MAX3491
FUNCTION
NAME
NAME


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