ADM3491 3.3 V, Low Power, RS-485/RS-422 Transceiver (Full Duplex, 10 Mbps, Driver/Receiver Enable)

The ADM3491 is a low power differential line transceiver designed to operate using a single +3.3 V power supply. Low power consumption coupled with a shutdown mode make it ideal for power sensitive applications. It is suitable for communication on multipoint bus transmission lines.

Features and Benefits

Operate with 3.3 V supply
Interoperable with 5 V logic
EIA RS-422 and RS-485 compliant over full common-mode range
Data rate options: 10 Mbps
Half- and full-duplex options
2 nA supply current in shutdown mode

Up to 32 transceivers on the bus
−7 V to +12 V bus common-mode range
Specified over the –40°C to +85°C temperature range
8 ns skew
14-lead SOIC packages

Interface & Isolation

Interface RS-485 and RS-422

ADM3491 IBIS Models

ADM3491ARZ IBIS Model .IBS

Data Sheets

Document	note
ADM3483/ADM3485/ADM3488/ADM3490/ADM3491: 3.3V Slew Rate Limited, Half and Full Duplex, RS-485/RS-422 Transceivers Data Sheet (Rev. E)	PDF 449 kB

Application Notes

Document	note
AN-1176: Component Footprints and Symbols in the Binary .Bxl File Format (Rev. 0)	PDF 671 kB
AN-960: RS-485/RS-422 Circuit Implementation Guide (Rev. 0)	PDF 245 kB

Order Information

Part Number	Package	Packing Qty	Temp Range	Price 100-499	Price 1000+	RoHS
ADM3491AR Production	14 ld SOIC	OTH 56	-40 to 85C	1.75	1.59	N
ADM3491AR-REEL Obsolete	14 ld SOIC	REEL 2500		0	0	N
ADM3491AR-REEL7 Production	14 ld SOIC	REEL 1000	-40 to 85C	0	1.59	N
ADM3491ARZ Production	14 ld SOIC	OTH 56	-40 to 85C	1.52	1.37	Y
ADM3491ARZ-REEL Production	14 ld SOIC	REEL 2500	-40 to 85C	0	1.37	Y
ADM3491ARZ-REEL7 Production	14 ld SOIC	REEL 1000	-40 to 85C	0	1.37	Y