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R/D-Monolithic Converter


Part Number(s): RD-19231
Package: 64 pin Quad Flat Pack (0.52 x 0.52 x 0.1 inches)
Lead Free Information: A

Compact and reliable, DDC’s RD-19231 resolver-to-digital converters offer off-the-shelf solutions for today's motion feedback applications. These converters offer versatile performance with a small footprint and a temperature range able to support a wide array of applications.


  • Drop in replacement to the legacy RD-19230 series
  • Analog Component Eliminates Need for DO-178 Re-certification
  • Small Footprint
  • Single Chip Converter
  • Programmable Bandwidth and Velocity Output
  • Scalable to Your Application Needs
  • Encoder Emulation to Replace an Encoder with a Rugged Resolver
  • Accepts Synchro, Resolver, Inductosyn, LVDT, RVDT, MR, and Hall Sensor Inputs
  • Reduces Risk and In-House Resources
  • Faster Time to Market
  • Development Kit for RD-19231 R/D Converters


  • Military Fire Control Systems
  • Naval Navigation and Weapon Systems
  • Industrial Control
  • Motor Control
  • Machine Tool Control
  • Robotics
  • Factory Automation
  • Hybrid Electric Vehicles
  • Aviation Flight Control Surfaces
  • Unmanned Vehicles
  • Automotive


  • Accuracy up to 1.3 Arc Minutes
  • DC to 10 KHZ
  • Internal Synthezied Reference
  • +5 Volt Only Option
  • I/O programmable for 5V or 3V outputs
  • Programmable Resolution, Dual Bandwidth and Tracking Rate
  • Internal Encoder Emulation with Independent Resolution Control
  • Differential Resolver Input Mode
  • Velocity Output Eliminates Tachometer
  • Built-In-Test (BIT) Output, No 180° Hangup with AC Reference
  • -40 to+ 85 Degrees C Operational Temperature
  • Configurable for LVDT Input
  • Lead Free (RoHS Compliant) Option



 Product Brief

RD-19231 Resolver-to-Digital Converters Product Brief


RD-19231 16-Bit Monolithic Tracking Resolver-to-Digital Converter Data Sheet

 Application Note

MFT-1: Testing and Troubleshooting Synchro/Resolver Converters

MFT-11 Building an Enhanced Loss of Signal Circuit for Resolver-to-Digital Converters

MFT-3: Switching Resolutions on the Fly

MFT-5: Using DDCs RDC-19220 to Interface with LVDT and RVDT Transformers

MFT-7: Serial Interface for Synchro/Resolver to Digital Converters

MFT-8 Building a Low Cost Reference Oscillator for Resolver-to-Digital Converters

MFT-9 Replacing medium range incremental encoders with higher reliability resolvers


High-Reliabiltiy Position Control for Rugged Applications

 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-19230 & RD-19231
Operating System: MS Excel
File Size: 42 KB

Ordering Information:

 Ordering Information

You can use the following link to download a PDF copy of the Ordering Information:

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