MAX3483E Maxim, MAX3483E Datasheet
MAX3483E
Manufacturer Part Number
MAX3483E
Description
3.3V-Powered / 15kV ESD-Protected / 12Mbps and Slew-Rate-Limited True RS-485/RS-422 Transceivers
Manufacturer
Maxim
Datasheet
1.MAX3483E.pdf
(16 pages)
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Devices in the MAX3483E family (MAX3483E/MAX3485E/
MAX3486E/MAX3488E/MAX3490E/MAX3491E) are
±15kV ESD-protected, +3.3V, low-power transceivers for
RS-485 and RS-422 communications. Each device con-
tains one driver and one receiver. The MAX3483E and
MAX3488E feature slew-rate-limited drivers that minimize
EMI and reduce reflections caused by improperly termi-
nated cables, allowing error-free data transmission at
data rates up to 250kbps. The partially slew-rate-limited
MAX3486E transmits up to 2.5Mbps. The MAX3485E,
MAX3490E, and MAX3491E transmit at up to 12Mbps.
All devices feature enhanced electrostatic discharge
(ESD) protection. All transmitter outputs and receiver
inputs are protected to ±15kV using IEC 1000-4-2 Air-
Gap Discharge, ±8kV using IEC 1000-4-2 Contact
Discharge, and ±15kV using the Human Body Model.
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 MAX3488E, MAX3490E, and MAX3491E feature
full-duplex communication, while the MAX3483E,
MAX3485E, and MAX3486E are designed for half-
duplex communication.
19-1474; Rev 0; 4/99
For free samples & the latest literature: http://www.maxim-ic.com, or phone 1-800-998-8800.
For small orders, phone 1-800-835-8769.
Slew-Rate-Limited True RS-485/RS-422 Transceivers
MAX3483E
MAX3485E
MAX3486E
MAX3488E
MAX3490E
MAX3491E
NUMBER
PART
3.3V-Powered, ±15kV ESD-Protected, 12Mbps and
Telecommunications
Industrial-Control Local Area Networks
Transceivers for EMI-Sensitive Applications
Integrated Services Digital Networks
Packet Switching
GUARANTEED
DATA RATE
________________________________________________________________ Maxim Integrated Products
(Mbps)
0.25
0.25
2.5
12
12
12
General Description
VOLTAGE
3.0 to 3.6
SUPPLY
Applications
(V)
HALF/FULL
DUPLEX
Half
Half
Half
Full
Full
Full
SLEW-RATE
LIMITED
Yes
Yes
Yes
No
No
No
Ordering Information continued at end of data sheet.
MAX3483ECSA
MAX3483ECPA
MAX3483EESA
MAX3483EEPA
MAX3485ECSA
MAX3485ECPA
MAX3485EESA
MAX3485EEPA
ESD Protection for RS-485 I/O Pins
Operate from a Single +3.3V Supply—
No Charge Pump Required
Interoperable with +5V Logic
Guaranteed 12Mbps Data Rate
(MAX3485E/MAX3490E/MAX3491E)
Slew-Rate Limited for Errorless Data Transmission
(MAX3483E/MAX3488E)
2nA Low-Current Shutdown Mode
(MAX3483E/MAX3485E/MAX3486E/MAX3491E)
-7V to +12V Common-Mode Input Voltage Range
Full-Duplex and Half-Duplex Versions Available
Industry-Standard 75176 Pinout
(MAX3483E/MAX3485E/MAX3486E)
Current-Limiting and Thermal Shutdown for
Driver Overload Protection
±15kV—Human Body Model
±8kV—IEC 1000-4-2, Contact Discharge
±15kV—IEC 1000-4-2, Air-Gap Discharge
PART
RECEIVER
DRIVER/
ENABLE
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
SHUTDOWN
TEMP. RANGE
CURRENT
0°C to +70°C
0°C to +70°C
0°C to +70°C
0°C to +70°C
Ordering Information
(nA)
—
—
2
2
2
2
Selector Guide
PROTECTION
±15kV
ESD
Yes
Yes
Yes
Yes
Yes
Yes
8 SO
8 Plastic DIP
8 SO
8 Plastic DIP
8 SO
8 Plastic DIP
8 SO
8 Plastic DIP
PIN-PACKAGE
Features
COUNT
PIN
14
8
8
8
8
8
1
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