DESCRIPTION…

The SP488E and SP489E are low-power quad differential line receivers that meet the specifications of RS-485 and RS-422 serial protocols with enhanced ESD performance. The ESD tolerance has been improved on these devices to over +15kV for both Human Body Model and IEC1000-4-2 Air Discharge Method.

■ RS-485 or RS-422 Applications

■ Quad Differential Line Receivers

■ Receiver Output Disable

■ –7V to +12V Common Mode Input Range

■ 1mA Supply Current

■ Single +5V Supply Operation

■ Superior Drop-in Replacement for

SN75173, SN75175, LTC488 and LTC489

■ Improved ESD Specifications:

+15kV Human Body Model

+15kV IEC1000-4-2 Air Discharge

+8kV IEC1000-4-2 Contact Discharge