AD2S1200

Rev. 0 | Page 3 of 24

TABLE OF CONTENTS

AD2S1200–Specifications ................................................................4

Absolute Maximum Ratings ............................................................6

ESD Caution ..................................................................................6

Pin Configuration and Function Descriptions .............................7

Resolver Format Signals ...................................................................8

Principle of Operation......................................................................9

Fault Detection Circuit.................................................................9

Connecting the Converter .........................................................11

Absolute Position and Velocity Output ....................................12

Parallel Interface..........................................................................12

Serial Interface.............................................................................14

Incremental Encoder Outputs...................................................16

On-Board Programmable Sinusoidal Oscillator.....................16

Supply Sequencing and Reset....................................................17

Charge Pump Output .................................................................17

Circuit Dynamics ............................................................................18

AD2S1200 Loop Response Model ............................................18

Sources of Error ..........................................................................19

Clock Requirements ...................................................................20

Connecting to the DSP...............................................................20

Outline Dimensions........................................................................21

Ordering Guide ...........................................................................21

REVISION HISTORY

Revision 0: Initial Version