Description

The ST1480A 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.

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 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, shorted or terminated inputs with no

signal present

■ Allow up to 64 transceivers on the bus