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RDC1740:  14-Bit Hybrid Synchro/Resolver-to-Digital Converter

Product Details

The RDC1740 is a hybrid 14-bit continuous tracking resolver to digital converter. In the core of this hybrid, the conversion process is performed by a monolithic IC manufactured in Analog Devices proprietary BiMOS II process that combines the advantages of CMOS logic and bipolar high accuracy linear circuits on the same chip. Internal isolating micro-transformers are used to provide true isolation of the signal and reference inputs. The 14-bit digital word is in a three-state digital form available in two bytes. Using separate ENABLE inputs for the most significant 8 bits and the least significant 6 or 4 bits not only simplifies multiplexing off more than one device onto a single data bus, but also enables the INHIBIT input to be used without interrupting the operation of tracking loop. The converters are hermetically sealed in a 32-pin welded metal package.


  • Internal Isolation Transformers
  • Military Temperature Range
  • Three Accuracy Options
  • 14-Bit Resolution
  • High, Continuous Tracking Rate
  • 32-Pin Welded Metal Package
  • Hermetically Sealed
  • Ratiometric Conversion
  • Laser Trimmed - No External Adjustment
  • Three-State Latched Outputs

Functional Block Diagram for RDC1740

Evaluation Kits & Symbols & Footprints

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

RDC1740 Model Options
Model Package Pins Temp.
Price*(100-499) Price*1000 pcs RoHS View PCN/ PDN Check Inventory/
RDC1740-413B Status: Production METAL RECT. HERMETIC DIP 32 Ind 1 $1,530.35 - N  Material Info Notify Me Purchase
RDC1740-418B Status: Production METAL RECT. HERMETIC DIP 32 Ind 1 $1,480.50 - N  Material Info Notify Me 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.

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