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MAX3483C/D Datasheet(PDF) 1 Page - Maxim Integrated Products |
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MAX3483C/D Datasheet(HTML) 1 Page - Maxim Integrated Products |
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1 / 17 page  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-imped- ance 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 communication. Applications ● Low-Power RS-485/RS-422 Transceivers ● Telecommunications ● Transceivers for EMI-Sensitive Applications ● Industrial-Control Local Area Networks 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/MAX3485/MAX3486) ● Current-Limiting and Thermal Shutdown for Driver Overload Protection 19-0333; Rev 1; 5/19 Ordering Information continued at end of data sheet. * Contact factory for for dice specifications. PART TEMP. RANGE PIN-PACKAGE MAX3483CPA 0°C to +70°C 8 Plastic DIP MAX3483CSA 0°C to +70°C 8 SO MAX3483C/D 0°C to +70°C Dice* MAX3483EPA -40°C to +85°C 8 Plastic DIP MAX3483ESA -40°C to +85°C 8 SO MAX3485CPA 0°C to +70°C 8 Plastic DIP MAX3485CSA 0°C to +70°C 8 SO MAX3485C/D 0°C to +70°C Dice* MAX3485EPA -40°C to +85°C 8 Plastic DIP MAX3485ESA -40°C to +85°C 8 SO 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 3.0 to 3.6 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 Full No Yes 2 14 MAX3483/MAX3485/ MAX3486/MAX3488/ MAX3490/MAX3491 3.3V-Powered, 10Mbps and Slew-Rate-Limited True RS-485/RS-422 Transceivers Selection Table Ordering Information Click here for production status of specific part numbers. |
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