MAX3483 Maxim, MAX3483 Datasheet
MAX3483
Manufacturer Part Number
MAX3483
Description
3.3V-Powered / 10Mbps and Slew-Rate-Limited True RS-485/RS-422 Transceivers
Manufacturer
Maxim
Datasheet
1.MAX3483.pdf
(16 pages)
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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
19-0333; Rev 0; 12/94
______________________________________________________________Selection Table
Call toll free 1-800-998-8800 for free samples or literature.
_______________General Description
NUMBER
MAX3483
MAX3485
MAX3486
MAX3488
MAX3490
MAX3491
PART
3.3V-Powered, 10Mbps and Slew-Rate-Limited
Low-Power RS-485/RS-422 Transceivers
Telecommunications
Transceivers for EMI-Sensitive Applications
Industrial-Control Local Area Networks
GUARANTEED
DATA RATE
________________________________________________________________ Maxim Integrated Products
(Mbps)
0.25
0.25
2.5
10
10
10
VOLTAGE
3.0 to 3.6
SUPPLY
(V)
True RS-485/RS-422 Transceivers
HALF/FULL
DUPLEX
Half
Half
Half
Full
Full
Full
SLEW-RATE
Ordering Information continued at end of data sheet.
* Contact factory for for dice specifications.
____________________________Features
LIMITED
______________Ordering Information
MAX3483CPA
MAX3483CSA
MAX3483C/D
MAX3483EPA
MAX3483ESA
MAX3485CPA
MAX3485CSA
MAX3485C/D
MAX3485EPA
MAX3485ESA
Operate from a Single 3.3V Supply—
No Charge Pump!
Interoperable with +5V Logic
8ns Max Skew (MAX3485/MAX3490/MAX3491)
Slew-Rate Limited for Errorless Data Transmission
(MAX3483/MAX3488)
2nA Low-Current Shutdown Mode
(MAX3483/MAX3485/MAX3486/MAX3491)
-7V to +12V Common-Mode Input Voltage Range
Allows up to 32 Transceivers on the Bus
Full-Duplex and Half-Duplex Versions Available
Industry Standard 75176 Pinout
(MAX3483/MAX3485/MAX3486)
Current-Limiting and Thermal Shutdown for
Driver Overload Protection
Yes
Yes
Yes
No
No
No
PART
RECEIVER
ENABLE
DRIVER/
Yes
Yes
Yes
Yes
No
No
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
-40°C to +85°C
TEMP. RANGE
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
SHUTDOWN
CURRENT
(nA)
—
—
2
2
2
2
8 Plastic DIP
8 SO
Dice*
8 Plastic DIP
8 SO
8 Plastic DIP
8 SO
Dice*
8 Plastic DIP
8 SO
PIN-PACKAGE
COUNT
PIN
14
8
8
8
8
8
1
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