link to page 1 link to page 1 link to page 1 link to page 1 link to page 3 link to page 4 link to page 6 link to page 7 link to page 7 link to page 7 link to page 7 link to page 8 link to page 9 link to page 12 link to page 13 link to page 14 link to page 14 link to page 14 link to page 15 link to page 15 link to page 15 link to page 16 link to page 16 link to page 17 link to page 14 link to page 17 AD9432TABLE OF CONTENTS Features .. 1 Terminology .. 11 Applications ... 1 Equivalent Circuits ... 12 General Introduction ... 1 Theory of Operation .. 13 Functional Block Diagram .. 1 Analog Input ... 13 Revision History ... 2 Encode Input ... 13 Specifications ... 3 Encode Voltage Level Definition .. 13 Timing Diagram ... 5 Digital Outputs ... 14 Absolute Maximum Ratings .. 6 Voltage Reference ... 14 Explanation of Test Levels ... 6 Timing ... 14 Thermal Characteristics .. 6 Applications Information .. 15 ESD Caution .. 6 Using the AD8138 to Drive the AD9432 .. 15 Pin Configurations and Function Descriptions ... 7 Outline Dimensions ... 16 Typical Performance Characteristics ... 8 Ordering Guide .. 16 REVISION HISTORY6/09—Rev. E to Rev. F1/02—Rev. D to Rev. E Updated Format .. Universal Edits to Specifications ... 3 Reorganized Layout .. Universal Edits to Absolute Maximum Ratings .. 4 Added TQFP_EP Package ... Universal Edits to Ordering Guide ... 4 Deleted LQFP_ED Package ... Universal Addition of Text to Using the AD9432 Section .. 10 Changes to Thermal Characteristics Section .. 6 Edits to Figure 17a .. 15 Changes to Pin Configurations and Function Descriptions Edits to Figure 17b ... 16 Section .. 7 Addition of SQ-52 Package Outline ... 18 Changes to Terminology Section.. 11 Deleted Evaluation Board Section .. 15 Updated Outline Dimensions ... 16 Changes to Ordering Guide .. 16 Rev. F | Page 2 of 16 Document Outline FEATURES APPLICATIONS GENERAL INTRODUCTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING DIAGRAM ABSOLUTE MAXIMUM RATINGS EXPLANATION OF TEST LEVELS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY EQUIVALENT CIRCUITS THEORY OF OPERATION ANALOG INPUT ENCODE INPUT ENCODE VOLTAGE LEVEL DEFINITION DIGITAL OUTPUTS VOLTAGE REFERENCE TIMING APPLICATIONS INFORMATION USING THE AD8138 TO DRIVE THE AD9432 OUTLINE DIMENSIONS ORDERING GUIDE
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