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MAX3483 Datasheet(PDF) 1 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) 1 Page - Maxim Integrated Products

 
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_______________General Description
The MAX3483, MAX3485, MAX3486, MAX3488,
MAX3490, and MAX3491 are 3.3V, low-power trans-
ceivers for RS-485 and RS-422 communication. Each
part contains one driver and one receiver. The
MAX3483 and MAX3488 feature slew-rate-limited dri-
vers that minimize EMI and reduce reflections caused
by improperly terminated cables, allowing error-free
data transmission at data rates up to 250kbps. The par-
tially slew-rate-limited MAX3486 transmits up to
2.5Mbps. The MAX3485, MAX3490, and MAX3491
transmit at up to 10Mbps.
Drivers are short-circuit current limited and are protect-
ed against excessive power dissipation by thermal
shutdown circuitry that places the driver outputs into a
high-impedance state. The receiver input has a fail-safe
feature that guarantees a logic-high output if both
inputs are open circuit.
The MAX3488, MAX3490, and MAX3491 feature full-
duplex communication, while the MAX3483, MAX3485,
and MAX3486 are designed for half-duplex communi-
cation.
________________________Applications
Low-Power RS-485/RS-422 Transceivers
Telecommunications
Transceivers for EMI-Sensitive Applications
Industrial-Control Local Area Networks
____________________________Features
o Operate from a Single 3.3V Supply—
No Charge Pump!
o Interoperable with +5V Logic
o 8ns Max Skew (MAX3485/MAX3490/MAX3491)
o Slew-Rate Limited for Errorless Data Transmission
(MAX3483/MAX3488)
o 2nA Low-Current Shutdown Mode
(MAX3483/MAX3485/MAX3486/MAX3491)
o -7V to +12V Common-Mode Input Voltage Range
o Allows up to 32 Transceivers on the Bus
o Full-Duplex and Half-Duplex Versions Available
o Industry Standard 75176 Pinout
(MAX3483/MAX3485/MAX3486)
o Current-Limiting and Thermal Shutdown for
Driver Overload Protection
______________Ordering Information
Ordering Information continued at end of data sheet.
* Contact factory for for dice specifications.
3.3V-Powered, 10Mbps and Slew-Rate-Limited
True RS-485/RS-422 Transceivers
________________________________________________________________
Maxim Integrated Products
1
Call toll free 1-800-998-8800 for free samples or literature.
19-0333; Rev 0; 12/94
PART
MAX3483CPA
MAX3483CSA
MAX3483C/D
0°C to +70°C
0°C to +70°C
0°C to +70°C
TEMP. RANGE
PIN-PACKAGE
8 Plastic DIP
8 SO
Dice*
PART
NUMBER
GUARANTEED
DATA RATE
(Mbps)
SUPPLY
VOLTAGE
(V)
HALF/FULL
DUPLEX
SLEW-RATE
LIMITED
DRIVER/
RECEIVER
ENABLE
SHUTDOWN
CURRENT
(nA)
PIN
COUNT
MAX3483
0.25
Half
Yes
Yes
2
8
MAX3485
10
Half
No
Yes
2
8
MAX3486
2.5
Half
Yes
Yes
2
8
MAX3488
0.25
Full
Yes
No
8
MAX3490
10
Full
No
No
8
MAX3491
10
3.0 to 3.6
Full
No
Yes
2
14
______________________________________________________________Selection Table
MAX3483EPA
MAX3483ESA
-40°C to +85°C
-40°C to +85°C
8 Plastic DIP
8 SO
MAX3485CPA
MAX3485CSA
MAX3485C/D
0°C to +70°C
0°C to +70°C
0°C to +70°C
8 Plastic DIP
8 SO
Dice*
MAX3485EPA
MAX3485ESA
-40°C to +85°C
-40°C to +85°C
8 Plastic DIP
8 SO


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