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AD7306:  +5 V Powered RS-232/RS-422 Transceiver

Product Details


The AD7306 line driver/receiver is a 5 V monolithic product which provides an interface between TTL signal levels and dual standard EIA RS-232/RS-422 signal levels. The part contains two RS-232 drivers, one RS-422 driver, one RS-232 receiver, and one receiver path which can be configured either as RS-232 or as RS-422.

An internal charge pump voltage converter facilities operation from a single +5 V power supply. The internal charge pump generates ±10 V levels allowing RS-232 output levels to be developed without the need for external bipolar power supplies.

A highly efficient charge pump design allows operation using non polarized, miniature 0.1 µF capacitors. This gives a considerable saving in printed circuit board space over conventional products which can use up to 10 µF capacitors. The charge pump output voltages may also be used to power external circuitry which requires dual supplies.

The RS-232 channels are suitable for communications rates up to 100 kHz and the RS-422 channels are suitable for high speed communications up to 5 MHz. The RS-422 transmitter complementary outputs are closeley matched and feature low timing skew between the complementary outputs. This is often an essentail requirement to meet tight system timing specifications.

All inputs feature ESD protection, all driver outputs feature high source and sink current capability and are internally protected against short circuits on the outputs. An epitaxial layer is used to guard against latch-up.

The part is available in a 24-pin SOIC package.

FEATURES and BENEFITS

  • RS-232 and RS-422 on One Chip
  • Single +5 V Supply
  • 0.1 µF Capacitors
  • High Speed, Low Skew RS-422 Operation
  • Short Circuit Protection
  • Excellent Noise Immunity
  • Low Power BiCMOS Technology
  • –408C to +858C Operations

Functional Block Diagram for AD7306

AD7306 Diagram
Functional Block Diagram for AD7306

Documentation

Title Content Type File Type
AD7306: +5 V Powered RS-232/RS-422 Transceiver Data Sheet (Rev B, 08/1994) (pdf, 149 kB) Data Sheets PDF
Interface Primer  (doc, 38 kB)
... RS-232, RS-422, RS-423 and RS-485
Technical Articles DOC
EMC, CE Mark, IEC801... What's it all about?
... New devices to ease the job.
(Analog Dialogue, Vol. 30, No. 4)
Analog Dialogue HTML
RS-232 Transceivers Applications Bulletin (Summer 2008)  (pdf, 196 kB) Solutions Bulletins PDF
RS-232 Products Brochure (Summer 2007)  (pdf, 593 kB) Overview PDF
RAQs index Rarely Asked Questions HTML
Glossary of EE Terms Glossary HTML

Evaluation Kits & Symbols & Footprints

Evaluation Boards & KitsView the Evaluation Boards and Kits page for documentation and purchasing

Symbols and Footprints— Analog Devices offers Symbols & Footprints which are compatible with a large set of today’s CAD systems for broader and easier support.

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Price, packaging, availability

AD7306 Model Options
Model Package Pins Temp.
Range
Packing,
Qty
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
AD7306AN Status: Last Time Buy 24 ld PDIP 24 Ind Tube, 15 $9.36 $9.11 N  Material Info PCN/PDN Purchase
AD7306ANZ Status: Production 24 ld PDIP 24 Ind Tube, 15 $8.34 $8.13 Y  Material Info PCN Purchase
AD7306AR Status: Production 24 ld SOIC - Wide 24 Ind Tube, 31 $9.36 $9.11 N  Material Info PCN Purchase
AD7306AR-REEL Status: Last Time Buy 24 ld SOIC - Wide 24 Ind Reel, 1000 - $9.11 N  Material Info PCN/PDN Purchase
AD7306ARZ Status: Production 24 ld SOIC - Wide 24 Ind Tube, 31 $8.34 $8.13 Y  Material Info PCN Purchase
AD7306JN Status: Last Time Buy 24 ld PDIP 24 Comm. Tube, 15 $9.23 $9.00 N  Material Info PCN/PDN Purchase
AD7306JNZ Status: Production 24 ld PDIP 24 Comm. Tube, 15 $8.23 $8.02 Y  Material Info PCN Purchase
AD7306JR Status: Last Time Buy 24 ld SOIC - Wide 24 Comm. Tube, 31 $9.23 $9.00 N  Material Info PCN/PDN Purchase
AD7306JRZ Status: Production 24 ld SOIC - Wide 24 Comm. Tube, 31 $8.23 $8.02 Y  Material Info PCN Purchase
AD7306JRZ-REEL Status: Production 24 ld SOIC - Wide 24 Comm. Reel, 1000 - $8.02 Y  Material Info PCN Purchase
Price Table Help

The USA list pricing shown is for BUDGETARY USE ONLY, shown in United States dollars (FOB USA per unit for the stated volume), and is subject to change. International prices may differ due to local duties, taxes, fees and exchange rates. For volume-specific price or delivery quotes, please contact your local Analog Devices, Inc. sales office or authorized distributor. Pricing displayed for Evaluation Boards and Kits is based on 1-piece pricing.

ezLINX™ iCoupler® Isolated Interface Development Environment
Model Description Price RoHS View PCN/ PDN Check Inventory/
Purchase/Sample
EZLINX-IIIDE-EBZ Status: Production iCoupler® Isolated Interface Development Environment Evaluation Board $149.00 Yes -

Pricing displayed is based on 1-piece. The USA list pricing shown is for budgetary use only, shown in United States dollars (FOB USA per unit), and is subject to change. International prices may vary due to local duties, taxes, fees and exchange rates.

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