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MAX3486

Maxim
Part Number MAX3486
Manufacturer Maxim
Description True RS-485/RS-422 Transceivers
Published Jun 13, 2005
Detailed Description Click here for production status of specific part numbers. MAX3483/MAX3485/ MAX3486/MAX3488/ MAX3490/MAX3491 3.3V-Powe...
Datasheet PDF File MAX3486 PDF File

MAX3486
MAX3486

Overview
Click here for production status of specific part numbers.
MAX3483/MAX3485/ MAX3486/MAX3488/ MAX3490/MAX3491 3.
3V-Powered, 10Mbps and Slew-Rate-Limited True RS-485/RS-422 Transceivers General Description The MAX3483, MAX3485, MAX3486, MAX3488, MAX3490, and MAX3491 are 3.
3V, low-power transceivers for RS-485 and RS-422 communication.
Each part contains one driver and one receiver.
The MAX3483 and MAX3488 feature slew-rate-limited drivers that minimize EMI and reduce reflections caused by improperly terminated cables, allowing error-free data transmission at data rates up to 250kbps.
The partially 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 protected 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 fullduplex communication, while the MAX3483, MAX3485, and MAX3486 are designed for half-duplex communication.
Applications ●● Low-Power RS-485/RS-422 Transceivers ●● Telecommunications ●● Transceivers for EMI-Sensitive Applications ●● Industrial-Control Local Area Networks Selection Table PART NUMBER MAX3483 MAX3485 MAX3486 MAX3488 MAX3490 MAX3491 GUARANTEED DATA RATE (Mbps) 0.
25 10 2.
5 0.
25 10 10 SUPPLY VOLTAGE (V) 3.
0 to 3.
6 HALF/FULL DUPLEX Half Half Half Half Half Half Features ●● 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/M...


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