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RadHard Resolver-to-Digital Converter

A RadHard RDC Solution!

Cobham offers RadHard Resolver-to-Digital Converters (RDC). An RDC is an integrated circuit (IC) used in shaft angle control systems to convert a resolver's SINE and COSINE analog signals to an angle represented by digital output configurable for 10, 12, 14 or 16 bits.

Celebrating 10-years of Flight! Cobham's RadHard Resolver-to-Digital Converters (RDC) is in demand for long term missions. 1Mrad and SEL immune to 100 MeV-cm2/mg, the RDC has 10 years of proven flight history.

The new enhanced RDC5028C is available now and recommended for all new designs.

Note: Cobham's Radiation Hardness Assurance Plan is DLA Certified to MIL-PRF-38534, Appendix G.

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Available RadHard Resolver-to-Digital Converter Products

RDC5028C RadHard Resolver-to-Digital Converter

  • 10, 12, 14, and 16-Bit operation over -55°C to +125°C temperature range
    • Eliminates Anomaly #1: Instability at 360° and 180° Input Angles in the ACT5028B Version
  • Enhanced ESD Protection
  • Radiation Performance
    • Total Dose 1Mrads(Si)
    • SEL: Immune up to 100MeV-cm2/mg
  • Power Supply: +5VDC Only
    • Separate I/O power pin to allow for 3.3V to 5.0V interface compatibility
  • Programmable by using external resistors and capacitors
    • Closed Loop Bandwidth
    • Input Hysteresis in LSBs
    • Maximum Tracking Rate of Resolver
  • Low power: +5VDC @ 22mA Typ.
  • Packaging: 52-lead ceramic quad flatpack
  • Available to SMD 5962-0423503KXC

Legacy ACT5028B RadHard Resolver-to-Digital Converter
  • 16-Bit Monolithic Tracking
  • Radiation Environment - Total Dose 1Mrads(Si)
  • +5VDC Power Only
  • Programmable by using a few non-critical external resistors and capacitors
  • Low power: +5V @ 22mA Typ.
  • Packaged in 52-lead ceramic quad
  • SMD 5962-0423502KXC