link to page 4 link to page 6 link to page 6 link to page 6 link to page 7 link to page 8 link to page 9 link to page 12 link to page 12 link to page 12 link to page 13 link to page 13 link to page 14 link to page 14 link to page 14 link to page 15 link to page 16 link to page 17 link to page 17 link to page 17 link to page 17 link to page 19 link to page 19 link to page 20 link to page 21 link to page 26 link to page 26 AD9203TABLE OF CONTENTS Specifications... 3 Driving the Analog Input.. 13 Absolute Maximum Ratings.. 5 Op Amp Selection Guide .. 14 Thermal Characteristics .. 5 Differential Mode of Operation ... 15 ESD Caution.. 5 Power Control... 16 Pin Configuration and Function Descriptions... 6 Interfacing to 5 V Systems .. 16 Terminology .. 7 Clock Input and Considerations .. 16 Typical Performance Characteristics ... 8 Digital Inputs and Outputs ... 16 Operations ... 11 Applications... 18 Theory of Operation .. 11 Direct IF Down Conversion ... 18 Operational Modes... 11 Ultrasound Applications ... 19 Input and Reference Overview ... 12 Evaluation Board .. 20 Internal Reference Connection .. 12 Outline Dimensions ... 25 External Reference Operation .. 13 Ordering Guide .. 25 Clamp Operation.. 13 REVISION HISTORY8/04—Data sheet changed from Rev. A to Rev. B Changes to Table 5.. 16 4/01—Data sheet changed from Rev. 0 to Rev. A Updated Format..Universal Changes to TPC 2 ... 8 Added Figures 41 to 46 .. 23 7/99—Revision 0: Initial Version Rev. B | Page 2 of 28 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL CHARACTERISTICS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS OPERATIONS THEORY OF OPERATION OPERATIONAL MODES INPUT AND REFERENCE OVERVIEW INTERNAL REFERENCE CONNECTION EXTERNAL REFERENCE OPERATION CLAMP OPERATION DRIVING THE ANALOG INPUT OP AMP SELECTION GUIDE DIFFERENTIAL MODE OF OPERATION POWER CONTROL INTERFACING TO 5 V SYSTEMS CLOCK INPUT AND CONSIDERATIONS DIGITAL INPUTS AND OUTPUTS APPLICATIONS DIRECT IF DOWN CONVERSION ULTRASOUND APPLICATIONS EVALUATION BOARD OUTLINE DIMENSIONS ORDERING GUIDE