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ADW71205YSTZ Datasheet(PDF) 2 Page - Analog Devices |
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ADW71205YSTZ Datasheet(HTML) 2 Page - Analog Devices |
2 / 20 page AD2S1205 Rev. A | Page 2 of 20 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Product Highlights ........................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Absolute Maximum Ratings............................................................ 5 ESD Caution.................................................................................. 5 Pin Configuration and Function Descriptions............................. 6 Resolver Format Signals................................................................... 8 Theory of Operation ........................................................................ 9 Fault Detection Circuit ................................................................ 9 Monitor Signal .............................................................................. 9 Loss of Signal Detection .............................................................. 9 Signal Degradation Detection .................................................. 10 Loss of Position Tracking Detection ........................................ 10 Responding to a Fault Condition ............................................. 10 False Null Condition.................................................................. 10 On-Board Programmable Sinusoidal Oscillator.................... 11 Synthetic Reference Generation ............................................... 11 Charge-Pump Output................................................................ 11 Connecting the Converter ........................................................ 11 Clock Requirements................................................................... 12 Absolute Position and Velocity Output................................... 12 Parallel Interface......................................................................... 12 Serial Interface ............................................................................ 14 Incremental Encoder Outputs .................................................. 16 Supply Sequencing and Reset ................................................... 16 Circuit Dynamics ........................................................................... 17 Loop Response Model ............................................................... 17 Sources of Error.......................................................................... 18 Connecting to the DSP .............................................................. 19 Outline Dimensions ....................................................................... 20 Ordering Guide .......................................................................... 20 Automotive Products ................................................................. 20 REVISION HISTORY 5/10—Rev. 0 to Rev. A Changes to Features Section............................................................ 1 Changes to Input Bias Current Parameter and Input Impedance Parameter ...................................................................... 3 Changes to Table 2............................................................................ 5 Changes to Loss of Signal Detection Section................................ 9 Changes to Connecting the Converter Section and Figure 5 ... 11 Change to t6 Max Value in Table 6 ............................................... 13 Changes to t9 and t10 Max Values Table 7 .................................... 15 Changes to Ordering Guide .......................................................... 20 Added Automotive Products Section .......................................... 20 1/07—Revision 0: Initial Version |
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