Description

The ST3485E 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 ST3485E transmits and receives at a guaranteed data rate of at least 12Mbps.

General features

■ 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 12Mbps 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 inputs with no signal present

■ Allow up to 64 transceivers on the bus

ST3485E屬于集成電路（IC） > 驅(qū)動器，接收器，收發(fā)器。意法半導體（ST）集團制造生產(chǎn)的ST3485E驅(qū)動器，接收器，收發(fā)器該系列產(chǎn)品的主要功能是提供必需的硬件資源，以通過延長電纜或印制線進行通信。確切的功能會因所采用的通信協(xié)議而異，可能包括諸如瞬態(tài)抑制之類的功能，這些功能對于通信用途可能并非絕對必要，但對于可能的使用環(huán)境卻是明智之選。