Synchro/Resolver to Digital Converters

Resolvers and Synchros are transducers that convert the angular position and/or velocity of a rotating shaft to an electrical signal. Both deliver signals proportional to the Sine and/or Cosine of the shaft angle. A Resolver-to-Digital or a Synchro-to-Digital converter is used to convert these signals to a digital output corresponding to the shaft angle and/or velocity. ADI’s family of RDCs and SDCs offers solutions for these applications.

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Synchro/Resolver to Digital

Part# Resolution (Bits)Max Tracking RateAccuracyReference FrequencyVel o/pVel LinearityR/D InterfaceSupplies (V)Automotive QualifiedIncremental Encoder EmulaPower Dissipation
AD2S1210Reference Circuit Available16bit3125/1250/625/156.2552k-20kYes2 to 16 lsbParallel/Serial5VYesYes50mW
AD2S120512bit125022/1110k-20kYes2lsbParallel/Serial5VYesYes50mW
AD2S120012bit100022/1110k-20kYes2lsbParallel/Serial5V-Yes50mW
AD2S9012bit50010.63k-20kYes-Serial5V-Yes50mW
AD2S8316bit1040/260/65/16.2580-20kYes0.25 to1Parallel12V-No300mW
AD2S4414bit204400-2.6kNo-Parallel15V-No1.7W
AD2S80A16bit1040/260/65/16.258/4/250-20kYes3Parallel12V-No300mW
RDC174014bit275.3400-2.6kNo-Parallel15V-No1.4W
SDC174014bit275.3400-2.6kNo-Parallel15V-No1.4W
SDC174112bit1815.3400-2.6kNo-Parallel15V-No1.4W
SDC174212bit188.5400-2.6kNo-Parallel15V-No1.4W
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