Datasheet Texas Instruments DS481 — 数据表

DS481
www.ti.com SNLS131B – JULY 2000 – REVISED MARCH 2013 DS481 Low Power RS-485/RS-422 Multipoint Transceiver with Sleep Mode
Check for Samples: DS481 FEATURES DESCRIPTION The DS481 is a low-power transceiver for RS-485
and RS-422 communication. The device contains one
driver and one receiver. The drivers slew rate allows
for operation up to 2.0 Mbps (see Applications
Information). 1 2 Meets TIA/EIA RS-485 Multipoint Standard
Sleep Mode Reduces ICC to 0.2 ОјA
Guaranteed Full Load Output Voltage (VOD3)
Low Quiescent Current: 200 ОјA typ
-7V to +12V Common-mode Input Voltage
Range
TRI-STATE Outputs on Driver and Receiver
AC Performance:
– Driver Transition Time: 25 ns typ
– Driver Propagation Delay: 40 ns typ
– Driver Skew: 1 ns typ
– Receiver Propagation Delay: 200 ns typ
– Receiver Skew: 20 ns typ
Half-duplex Flow Through Pinout
Operates From a Single 5V Supply
Allows up to 64 Transceivers on the Bus
Current-limiting and Thermal Shutdown for …