Datasheet AD7475, AD7495 (Analog Devices) - 2

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AD7475/AD7495 Data Sheet TABLE OF CONTENTS
Features .. 1 Converter Operation .. 13 Applications ... 1 ADC Transfer Function ... 13 General Description ... 1 Typical Connection Diagram ... 14 Functional Block Diagram .. 1 Operating Modes .. 16 Product Highlights ... 1 Normal Mode .. 16 Revision History ... 2 Partial Power-Down Mode ... 16 AD7475 Specifications ... 3 Full Power-Down Mode .. 17 AD7495 Specifications ... 5 Power vs. Throughput Rate ... 19 Timing Specifications ... 7 Serial Interface .. 20 Timing Example 1 .. 8 Microprocessor Interfacing ... 21 Timing Example 2 .. 8 AD7475/AD7495 to TMS320C5X/C54X ... 21 Absolute Maximum Ratings .. 9 AD7475/AD7495 to ADSP-21xx .. 21 ESD Caution .. 9 AD7475/AD7495 to DSP56XXX ... 22 Pin Configurations and Function Descriptions ... 10 AD7475/AD7495 to MC68HC16 ... 22 Terminology .. 11 Outline Dimensions ... 23 Typical Performance Characteristics ... 12 Ordering Guide .. 24 Theory of Operation .. 13
REVISION HISTORY 7/15—Rev. B to Rev. C
Changes to Ordering Guide .. 24
5/05—Rev. A to Rev. B
Updated Format .. Universal Added Patent Information... 1 Updated Outline Dimensions ... 23 Changes to Ordering Guide .. 24 Rev. C | Page 2 of 24 Document Outline FEATURES APPLICATIONS GENERAL DESCRIPTION FUNCTIONAL BLOCK DIAGRAM PRODUCT HIGHLIGHTS REVISION HISTORY AD7475 SPECIFICATIONS AD7495 SPECIFICATIONS TIMING EXAMPLE 1 TIMING EXAMPLE 2 ABSOLUTE MAXIMUM RATINGS ESD CAUTION PIN CONFIGURATIONS AND FUNCTION DESCRIPTIONS TERMINOLOGY TYPICAL PERFORMANCE CHARACTERISTICS THEORY OF OPERATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM Analog Input Digital Inputs VDRIVE Reference Section OPERATING MODES NORMAL MODE PARTIAL POWER-DOWN MODE Power-Up Time FULL POWER-DOWN MODE POWER VS. THROUGHPUT RATE SERIAL INTERFACE MICROPROCESSOR INTERFACING AD7475/AD7495 TO TMS320C5x/C54x AD7475/AD7495 TO ADSP-21xx AD7475/AD7495 TO DSP56xxx AD7475/AD7495 TO MC68HC16 OUTLINE DIMENSIONS ORDERING GUIDE