The Type II tracking loop provides continuous output position data without conversion delay. The performance of the AD2S105 is specified across a frequency range of 8.192 MHz ± 25%, allowing a maximum tracking rate of 1250 rps. The maximum tracking rate is a function of the external clock frequency. A Type II tracking loop is employed to track the inputs and convert the input Sin and Cos information into a digital representation of the input angle and velocity. The converter accepts 3.15 V P-P ± 27% input signals on the Sin and Cos inputs. The AD2S1205 is a complete 12-bit resolution tracking resolver-to-digital converter that contains an on-board programmable sinusoidal oscillator providing sine wave excitation for resolvers.
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