Datasheet AD7466, AD7467, AD7468 (Analog Devices) - 2

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AD7466/AD7467/AD7468 TABLE OF CONTENTS
Features .. 1 Power Requirement Curves .. 13 Applications... 1 Terminology .. 16 Functional Block Diagram .. 1 Theory of Operation .. 17 General Description ... 1 Circuit Information.. 17 Product Highlights ... 1 Converter Operation.. 17 Revision History ... 2 ADC Transfer Function... 17 Specifications... 3 Typical Connection Diagram ... 17 AD7466 .. 3 Analog Input ... 18 AD7467 .. 5 Digital Inputs .. 18 AD7468 .. 7 Normal Mode.. 19 Timing Specifications .. 9 Power Consumption .. 20 Timing Examples.. 10 Serial Interface .. 22 Absolute Maximum Ratings.. 11 Microprocessor Interfacing... 23 ESD Caution.. 11 Application Hints ... 25 Pin Configurations and Function Descriptions ... 12 Grounding and Layout .. 25 Typical Performance Characteristics ... 13 Evaluating the Performance of the AD7466 and AD7467.. 25 Dynamic Performance Curves ... 13 Outline Dimensions ... 26 DC Accuracy Curves ... 13 Ordering Guide .. 27
REVISION HISTORY 5/07—Rev. B to Rev. C
Deleted Figure 3.. 10 Updated Outline Dimensions ... 26 Changes to Ordering Guide .. 27
4/05—Rev. A to Rev. B
Moved Terminology Section... 16 Changes to Ordering Guide .. 27
11/04—Rev. 0 to Rev. A
Updated Format..Universal Changes to General Description .. 1 Added Patent Number ... 1 Updated Outline Dimensions ... 26 Changes to Ordering Guide .. 27
5/03—Revision 0: Initial Version
Rev. C | Page 2 of 28 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS AD7466 AD7467 AD7468 TIMING SPECIFICATIONS TIMING EXAMPLES Timing Example 1 Timing Example 2 ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS DYNAMIC PERFORMANCE CURVES DC ACCURACY CURVES POWER REQUIREMENT CURVES TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM ANALOG INPUT DIGITAL INPUTS NORMAL MODE POWER CONSUMPTION Power Consumption Example 1 Power Consumption Example 2 SERIAL INTERFACE MICROPROCESSOR INTERFACING AD7466/AD7467/AD7468 to TMS320C541 Interface AD7466/AD7467/AD7468 to ADSP-218x Interface AD7466/AD7467/AD7468 to DSP563xx Interface APPLICATION HINTS GROUNDING AND LAYOUT EVALUATING THE PERFORMANCE OF THE AD7466 AND AD7467 OUTLINE DIMENSIONS ORDERING GUIDE