Datasheet AD7273, AD7274 (Analog Devices) - 2

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AD7273/AD7274 TABLE OF CONTENTS
Features .. 1 ADC Transfer Function... 15 General Description ... 1 Typical Connection Diagram ... 16 Functional Block Diagram .. 1 Analog Input ... 16 Product Highlights ... 1 Digital Inputs .. 16 Revision History ... 2 Modes of Operation ... 17 Specifications... 3 Normal Mode.. 17 AD7274 Specifications... 3 Partial Power-Down Mode ... 17 AD7273 Specifications... 5 Full Power-Down Mode .. 17 Timing Specifications .. 7 Power-Up Times... 18 Timing Examples.. 8 Power vs. Throughput Rate... 20 Absolute Maximum Ratings.. 9 Serial Interface .. 21 ESD Caution.. 9 Microprocessor Interfacing... 23 Pin Configurations and Function Descriptions ... 10 Application Hints ... 24 Typical Performance Characteristics ... 11 Grounding and Layout .. 24 Terminology .. 14 Evaluating the AD7273/AD7274 Performance... 24 Circuit Information .. 15 Outline Dimensions ... 25 Converter Operation.. 15 Ordering Guide .. 25
REVISION HISTORY 9/05—Revision 0: Initial Version
Rev. 0 | Page 2 of 28 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS REVISION HISTORY SPECIFICATIONS AD7274 SPECIFICATIONS AD7273 SPECIFICATIONS TIMING SPECIFICATIONS TIMING EXAMPLES Timing Example 1 Timing Example 2 ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM ANALOG INPUT DIGITAL INPUTS MODES OF OPERATION NORMAL MODE PARTIAL POWER-DOWN MODE FULL POWER-DOWN MODE POWER-UP TIMES POWER VS. THROUGHPUT RATE SERIAL INTERFACE MICROPROCESSOR INTERFACING AD7273/AD7274 to ADSP-BF53x APPLICATION HINTS GROUNDING AND LAYOUT EVALUATING THE AD7273/AD7274 PERFORMANCE OUTLINE DIMENSIONS ORDERING GUIDE