资料介绍
SP3481_85.pdf SP3481/SP3485
+3.3V Low Power Half-Duplex RS-485
Transceivers with 10Mbps Data Rate
s RS-485 and RS-422 Transceivers
s Operates from a single +3.3V supply
s Interoperable with +5.0V logic
s Driver/Receiver Enable
s Low Power Shutdown Mode (SP3481)
s -7V to +12V Common-Mode Input
Voltage Range
s Allows up to 32 transceivers on
the serial bus
s Compatibility with the industry
standard 75176 pinout
s Driver Output Short-Circuit Protection
DESCRIPTION
The SP3481 and the SP3485 are a family of +3.3V low power half-duplex transceivers that
meet the specifications of the RS-485 and RS-422 serial protocols. These devices are pin-to-
pin compatible with the Sip