MAX481ESA+

MAX481ESA+ is a half-duplex, low-power transceiver for RS-485 and RS422 communication. 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 the input is an open circuit. It is used in applications such as low-power RS-485 transceivers, low-power RS-422 transceivers, level translators, transceivers for EMI-sensitive applications, and industrial-control local area networks.

• 2.5Mbps data rate, low power shutdown, receiver/driver enable
• Quiescent current is 300μA typical at (VCC = 5V ±5%)
• 32 number of receivers on bus
• Input current is ±2µA maximum at (DE, DI, active-low RE, VCC = 5V ±5%)
• Receiver input hysteresis is 70mV typical at (VCM = 0V, VCC = 5V ±5%)
• Driver rise or fall time is 15ns typical at (RDIFF = 54ohm, CL1 = CL2 = 100pF)
• Receiver input to output is 90ns typical at (RDIFF = 54ohm, CL1 = CL2 = 100pF)
• Receiver short-circuit current is 95mA maximum at (VCC = 5V ±5%, 0V ≤ VO ≤ VCC)
• Operating temperature range from -40°C to +85°C
• 8-pin SOIC package

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