Datasheet Summary
SP3490/SP3491
+3.3V Low Power Full-Duplex RS-485 Transceivers with 10Mbps Data Rate
- Full-Duplex RS-485 and RS-422 Transceivers
- Operates from a single +3.3V Supply
- Interoperable with +5.0V logic
- Driver/Receiver Tri-state Enable Lines (SP3491)
- -7V to +12V mon-Mode Input Voltage Range
- +/-200mV Receiver Input Sensitivity
- Allows up to 32 transceivers on the serial bus
- patability with LTC490 and SN75179 (SP3490)
- patability with LTC491 and SN75180 (SP3491)
VCC 1 R2
8A
7B
D3
6Z
5Y
GND 4
DESCRIPTION
The SP3490 and SP3491 devices are +3.3V low power full-duplex transceivers that meet the specifications of the RS-485 and RS-422 serial protocols....