• ADM3491ARZ 14-SOIC


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


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  • Part Number : ADM3491ARZ

  • Package/Case : 14-SOIC

  • Brands : ADI

  • Components Categories : Drivers, Receivers, Transceivers

  • Datesheet : ADM3491ARZ DataSheet (PDF)

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Technical Attributes

Description:The ADM3491ARZ is a full-duplex transceiver which comes in the form of a 14-Pin SOIC package. This transceiver provides one driver and one receiver with maximum data rate up to 10Mbps. It is capable of handling operating voltages up to 3.3V and operating temperatures ranging from -40°C to 85°C.Features: -Simplified connection of two buses-Small size 14-pin SOIC package-Supports up to 10Mbps throughput-Operating voltage with 3.3V-Maximum operating temperature of +85°C-3-state output typeApplications:The ADM3491ARZ is particularly suitable for applications requiring a full-duplex communication link in a small form factor. It is suitable for use in Avionics and Automotive as well as in industrial, medical and consumer applications. This transceiver can also be used as a physical layer between two microcontrollers, providing reliable data communication with low power consumption.

Key Features

  • -Simplified connection of two buses
  • -Small size 14-pin SOIC package
  • -Supports up to 10Mbps throughput
  • -Operating voltage with 3.3V
  • -Maximum operating temperature of +85°C
  • -3-state output type


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Source Content uid ADM3491ARZ Pbfree Code No
Rohs Code Yes Part Life Cycle Code Active
Ihs Manufacturer ANALOG DEVICES INC Part Package Code SOIC
Package Description SOP, SOP14,.25 Pin Count 14
Manufacturer Package Code R-14 Reach Compliance Code compliant
ECCN Code EAR99 HTS Code 8542.39.00.01
Samacsys Manufacturer Analog Devices Differential Output YES
Driver Number of Bits 1 Input Characteristics DIFFERENTIAL SCHMITT TRIGGER
Interface IC Type LINE TRANSCEIVER Interface Standard EIA-422; EIA-485
JESD-30 Code R-PDSO-G14 JESD-609 Code e3
Length 8.65 mm Moisture Sensitivity Level 1
Number of Functions 1 Number of Terminals 14
Operating Temperature-Max 85 °C Operating Temperature-Min -40 °C
Out Swing-Min 2 V Package Body Material PLASTIC/EPOXY
Package Code SOP Package Equivalence Code SOP14,.25
Peak Reflow Temperature (Cel) 260 Power Supplies 3.3 V
Qualification Status Not Qualified Receive Delay-Max 120 ns
Receiver Number of Bits 1 Seated Height-Max 1.75 mm
Supply Current-Max 1.5 mA Supply Voltage-Max 3.6 V
Supply Voltage-Min 3 V Supply Voltage-Nom 3.3 V
Surface Mount YES Technology BICMOS
Temperature Grade INDUSTRIAL Terminal Finish MATTE TIN
Terminal Form GULL WING Terminal Pitch 1.27 mm
Terminal Position DUAL Time@Peak Reflow Temperature-Max (s) 30
Transmit Delay-Max 1500 ns

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