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DESCRIPTION

The ST1480A is ±15kV ESD protected, 3.3V low power transceiver for RS-485 and RS-422 communications. The device contains one driver and one receiver in half duplex configuration. The ST1480A transmit and receive at guaranteed data rate at least to 12Mbps.

■ ESD PROTECTION:

±15KV HUMAN BODY MODEL

±8KV IEC 1000-4-2 CONTACT DISCHARGE

■ OPERATE FROM A SINGLE 3.3V SUPPLY -

NO CHARGE PUMP REQUIRED

■ INTEROPERABLE WITH 5V LOGIC

■ 1μA 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