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 synchro-to-digital converter converts these signals to a digital output corresponding to the shaft angle and/or velocity. ADI’s family of RDCs and SDCs offer solutions for these applications.
Product Selection Table

Synchro/Resolver to Digital

Synchro/Resolver to Digital

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Synchro/Resolver to Digital

Part#ResolutionMax Tracking RateAccuracyReference FrequencyVel o/pVel LinearityR/D InterfaceSupplies (V)Automotive RecommendedIncremental Encoder EmulaPower Dissipation (typ)
AD2S1210Reference Circuit Available 16 3125/1250/625/156.25 5 2k-20k Yes 2 to 16 lsb Parallel/Serial 5 V Yes Yes 50 mW
AD2S1205 12 1250 22/11 10k-20k Yes 2lsb Parallel/Serial 5 V Yes Yes 50 mW
AD2S1200 12 1000 22/11 10k-20k Yes 2lsb Parallel/Serial 5 V - Yes 50 mW
AD2S90 12 500 10.6 3k-20k Yes - Serial 5 V - Yes 50 mW
AD2S83 16 1040/260/65/16.25 8 0-20k Yes 0.25 to1 Parallel 12 V - No 300 mW
AD2S44 14 20 4 400-2.6k No - Parallel 15 V - No 1700 mW
AD2S80A 16 1040/260/65/16.25 8/4/2 50-20k Yes 3 Parallel 12 V - No 300 mW
SDC1740 14 27 5.3 400-2.6k No - Parallel 15 V - No 1400 mW
RDC1740 14 27 5.3 400-2.6k No - Parallel 15 V - No 1400 mW
SDC1742 12 18 8.5 400-2.6k No - Parallel 15 V - No 1400 mW
SDC1741 12 18 15.3 400-2.6k No - Parallel 15 V - No 1400 mW