Datasheet AD7441, AD7451 (Analog Devices) - 2

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AD7441/AD7451 TABLE OF CONTENTS
Features .. 1 ADC Transfer Function ... 13 Applications ... 1 Typical Connection Diagram ... 14 Functional Block Diagram .. 1 Analog Input ... 14 General Description ... 1 Analog Input Structure .. 14 Product Highlights ... 1 Digital Inputs .. 15 Revision History ... 2 Reference ... 15 Specifications ... 3 Serial Interface .. 16 Timing Specifications .. 7 Modes of Operation ... 18 Timing Diagrams .. 7 Normal Mode .. 18 Absolute Maximum Ratings .. 8 Power-Down Mode .. 18 ESD Caution .. 8 Power vs. Throughput Rate ... 20 Pin Configurations and Function Descriptions ... 9 Microprocessor and DSP Interfacing .. 20 Typical Performance Characteristics ... 10 Grounding and Layout Hints .. 22 Terminology .. 12 Evaluating Performance .. 22 Theory of Operation .. 13 Outline Dimensions ... 23 Circuit Information .. 13 Ordering Guide .. 24 Converter Operation .. 13
REVISION HISTORY 3/10—Rev. C to Rev. D 2/04—Rev. 0 to Rev. A
Changes to IDD Normal Mode (Operational) Parameter .. 6 Updated Format ... Universal Updated Outline Dimensions .. 23 Changes to General Description ... 1 Changes to Ordering Guide ... 24 Changes to Table 1 Footnotes .. 4 Changes to Table 2 Footnotes .. 6
3/07—Rev. B to Rev. C
Changes to Table 3 Footnotes .. 7 Changes to Table 5 ... 9 Changes to Table 5 .. 9 Updated Layout .. 12 Updated Figures 7, 8, and 9 .. 13 Changes to Terminology Section... 12 Changes to Figure 23 ... 16 Updated Outline Dimensions .. 23 Changes to Reference Section .. 17 Changes to Ordering Guide ... 24
9/03—Revision 0: Initial Version 2/05—Rev. A to Rev. B
Changes to Ordering Guide ... 24 Rev. D | Page 2 of 24 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS TIMING DIAGRAMS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM ANALOG INPUT ANALOG INPUT STRUCTURE DIGITAL INPUTS REFERENCE SERIAL INTERFACE Timing Example 1 Timing Example 2 MODES OF OPERATION NORMAL MODE POWER-DOWN MODE Power-Up Time POWER VS. THROUGHPUT RATE MICROPROCESSOR AND DSP INTERFACING AD7441/AD7451 to ADSP-21xx AD7441/AD7451 to TMS320C5x/C54x AD7441/AD7451 to DSP56xxx GROUNDING AND LAYOUT HINTS EVALUATING PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE