ST3485EC Datasheet PDF - ST Microelectronics

●Description

●The ST3485E is ±15 kV ESD protected, 3.3 V low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in half duplex configuration. The ST3485E transmits and receives at a guaranteed data rate of at least 12 Mbps.

●Features

●■ ESD protection

●  – ±15 kV human body model

●  – ±8 kV IEC 1000-4-2 contact discharge

●■ Operate from a single 3.3 V supply - no charge pump required

●■ Interoperable with 5 V logic

●■ 1 µA low current shutdown mode max

●■ Guaranteed 12 Mbps data rate

●■ -7 to 12 V common mode input voltage range

●■ Half duplex versions available

●■ Industry standard 75176 pinout

●■ Current limiting and thermal shutdown for driver overload protection

●■ Guaranteed high receiver output state for floating inputs with no signal present

●■ Allow up to 64 transceivers on the bus