Datasheet AD7723 (Analog Devices) - 3

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AD7723 TABLE OF CONTENTS
Specifications... 3 System Synchronization .. 23 Timing Specifications... 6 Data Interfacing .. 24 Absolute Maximum Ratings.. 10 Parallel Interface... 24 ESD Caution.. 10 Serial Interface .. 25 Pin Configuration And Function Descriptions.. 11 Two-Channel Multiplexed Operation ... 25 Terminology .. 14 Serial Interface to DSPs ... 27 Typical Performance Characteristics ... 15 AD7723 to ADSP-21xx Interface ... 27 Circuit Description... 18 AD7723 to SHARC Interface.. 27 Applying the AD7723 .. 20 AD7723 to DSP56002 Interface ... 27 Analog Input Range ... 20 AD7723 to TMS320C5x Interface.. 27 Analog Input ... 20 Grounding and Layout .. 28 Driving the Analog Inputs .. 20 Outline Dimensions ... 29 Applying the Reference.. 21 Ordering Guide .. 29 Clock Generation ... 22
REVISION HISTORY 5/05—Rev. B to Rev. C 9/02—Data Sheet changed from Rev. 0 to Rev. A
Changes to Format ...Universal New TPCs 1 and 2 Added ... 13 Changes to Figure 6.. 8 Edits to Figures 17 and 18 ... 18 Changes to System Synchronization .. 23 Outline Dimensions Updated... 23 Updated Outline Dimensions ... 29 Changes to the Ordering Guide.. 29
10/03—Rev. A to Rev. B
Changes to Ordering Guide .. 8 Outline Dimensions Updated ... 23 Rev. C | Page 2 of 32 Document Outline FEATURES GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS CIRCUIT DESCRIPTION APPLYING THE AD7723 ANALOG INPUT RANGE ANALOG INPUT DRIVING THE ANALOG INPUTS APPLYING THE REFERENCE CLOCK GENERATION SYSTEM SYNCHRONIZATION DATA INTERFACING PARALLEL INTERFACE SERIAL INTERFACE TWO-CHANNEL MULTIPLEXED OPERATION SERIAL INTERFACE TO DSPs AD7723 TO ADSP-21xx INTERFACE AD7723 TO SHARC INTERFACE AD7723 TO DSP56002 INTERFACE AD7723 TO TMS320C5x INTERFACE GROUNDING AND LAYOUT OUTLINE DIMENSIONS ORDERING GUIDE