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Resolver-to-SPI Converter


Part Number(s): RD-19242
Package: QFP

Compact and reliable, DDC's RD-19242 resolver-to-digital converter offers a low cost off-the-shelf solution for today's rugged, high reliability motion feedback applications. These cost-effective converters offer programmability and flexibilty, with a small footprint and a temperature range able to support a wide array of applications.


  • Analog Component Eliminates Need for DO-178 Re-certification
  • Serial Output (SPI) Utilizes Less I/O from Processor
  • Integrated Reference Oscillator Reduces Costs and External Component Count
  • Flexible Resolution, Bandwidth, and Tracking for Your Application Needs
  • Encoder Emulation Enables Replacement of an Encoder with a Rugged Resolver
  • Synthesized Reference Corrects Up to 45 Degrees of Phase Shift
  • Reduces Risk and Effort Required by In-House Resources
  • Standard Off-the-Shelf Solution Enables Faster Time to Market


  • Hybrid Electric Vehicles
  • Automotive Position Sense
  • Factory Automation
  • Aviation Flight Control Surfaces
  • Industrial Motor Control
  • Robotics


  • SPI and Encoder Emulation (A Quad B) Interface Outputs
  • Integrated Programmable Reference Oscillator
  • Use to Interpolate Synchro, Resolver, Inductosyn, LVDT, RVDT, MR, and Hall Sensors
  • Programmable Resolution (10, 12, 14 bit), Dual Bandwidth, and Tracking Rate
  • Accuracy up to 8 Arc Minutes
  • 1152 RPS Maximum Tracking Rate, 10 Bit Resolution
  • DC, 1 kHz to 20 kHz
  • Internal Synthesized Reference
  • +5V Only Option
  • Velocity Output
  • Built-In-Test (BIT) Output, no 180° Hangup with AC Reference
  • Universal (3.3V, 5V) Logic Interface
  • RoHS Compliant and Non-RoHS Packages Available
  • -55°C to +125°C Operating Temperature



 Product Brief

RD-19242 Resolver-to-SPI Converter Product Brief


RD-19242 14-BIT Monolithic Tracking Resolver-to-SPI Converter

 Generic Document

DDC Corporate Overview

DDC Product Catalog

Synchro/Resolver Conversion Handbook

Synchro/Resolver Solutions Flyer

DDC Custom Solutions Brochure



External Components Calculation Software
Description: External Components Calculation Software for the RD-19240 and RD-19242
Operating System: MS Excel
File Size: 41 KB

Ordering Information:

 Ordering Information

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