AD2S1210: FAQ

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    2 RDS 1 Resolver

    Question Is it possible to operate two AD2S1210 converters with one resolver? Answer It is possible to operate two AD2S1210 covnerters with one resolver however proper synchronisation procedure must…
  • Article

    AD2S1200 or alternative for use with 2kHz excitation?

    Question The minimum excitation frequency of the AD2S1200 is 10kHz according to the data sheet. Is there a mode that the AD2S1200 can run with 2kHz excitation? Or is there an alternative part that…
  • Article

    AD2S1210 Eval Board

    Question Do I need a separate 96 way connector cable to connect the EVAL-AD2S1210 board to CED1Z board? And if yes, is it included in the CED1Z evaluation kit? Answer No cable is required. The EVAL-AD2S1210…
  • Article

    AD2S1210 interfaced to an LVDT

    Question Is it possible to use the AD12S1210 as an interface for LVDTs? Answer You can use the AD2S1210 to interface with an LVDT, but some extra design is required in mapping the output from…
  • Article

    AD2S1210 synchronized to external excitation

    Question Can the AD2S1210 be operated with an externally generated sine wave reference? Answer It is tricky to synchronize the AD2S1210 to an external excitation. To achieve it you must ensure that…
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    AD2S1210: datasheet error in table 29

    Question I have some doubts for the datasheet of AD2S1210:Q1:In the spec of AD2S1210, we can see the RDC system response block diagram in Page 32. There are five parameters:K1,K2,a,b and c. (Figure 1)They…
  • Article

    AD2S1210: EXC/EXC- waveform incorrect issue

    Question EXC/EXC- waveforms are correct when resolver is disconnected, but have some distortion once we connect the resolver. What do think could be the cause of this distorsion? Answer From your schematic…
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    AD2S1210: Input connection filtering and shielding

    Question My AD2S1210 customer always get Sin/Cos inputs clipping error even after lowering the gain of the EXC's buffer circuit. He also sees noise on Sin/Cos input and he would like to add a differential…
  • Article

    AD2S1210: input resistor network to attenuate the resolve output

    Question 1. One customer used TS2620N21E11+AD2S1210, and the resolver's parameter is below. if the resolver's input signal is 7Vrms, then SIN and COS input ofAD2S1210 will be bigger than the limitations…
  • Article

    AD2S1210: multichip synchronization

    Question My application uses two AD2S1210 (NUM 1 and NUM 2) simultaneously to decode two rotary resolvers. I am required to use only one AD2S1210 (NUM1) tooutput EXC signals to simultaneously drive two…

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