General Description

Devices in the MAX3483E family (MAX3483E/MAX3485E/AX3486E/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.

Features

♦ESD Protection for RS-485 I/O Pins

±15kV—Human Body Model

±8kV—IEC 1000-4-2, Contact Discharge

±15kV—IEC 1000-4-2, Air-Gap Discharge

♦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