MAX3485EESA+T Computer IC Chip Transceiver Half RS422 / RS485 8-SOIC 1 / 1
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MAX3485EESA Computer IC Chip 1/1 Transceiver Half RS422, RS485 8-SOIC
General Description
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 contains one driver and one receiver. The MAX3483E and
MAX3488E 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 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 AirGap Discharge, ±8kV using IEC 1000-4-2
Contact Discharge, and ±15kV using the Human Body Model. 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 MAX3488E, MAX3490E, and
MAX3491E feature full-duplex communication, while the MAX3483E,
MAX3485E, and MAX3486E are designed for halfduplex communication. Features
♦ Operate from a Single +3.3V Supply— No Charge Pump Required ♦ Interoperable with +5V Logic ♦ 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 ♦ Current-Limiting and Thermal Shutdown for Driver Overload
Protection Applications
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Product Tags: silicon computer chips can controller chip |
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