Datasheet AD7091 (Analog Devices) - 2

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AD7091 Data Sheet TABLE OF CONTENTS
Features .. 1 Circuit Information .. 10 Applications ... 1 Converter Operation .. 10 Functional Block Diagram .. 1 ADC Transfer Function ... 10 General Description ... 1 Typical Connection Diagram ... 11 Product Highlights ... 1 Analog Input ... 11 Revision History ... 2 Modes of Operation ... 12 Specifications ... 3 Power Consumption .. 13 Timing Specifications .. 4 Multiplexer Applications ... 14 Absolute Maximum Ratings .. 5 Serial Interface .. 15 Thermal Resistance .. 5 Busy Indicator Enabled.. 15 ESD Caution .. 5 Busy Indicator Disabled .. 16 Pin Configuration and Function Descriptions ... 6 Software Reset ... 17 Typical Performance Characteristics ... 7 Interfacing with an 8-/16-Bit SPI Bus .. 17 Terminology .. 9 Outline Dimensions ... 18 Theory of Operation .. 10 Ordering Guide .. 18
REVISION HISTORY 3/15—Rev. A to Rev. B
Changes to Typical Connection Diagram Section .. 11 Changes to Busy Indicator Enabled Section .. 15
6/13—Rev. 0 to Rev. A
Changes to Figure 22 .. 13 Added Multiplexer Applications Section .. 14 Updated Outline Dimensions ... 18
10/12—Revision 0: Initial Version
Rev. B | Page 2 of 20 Document Outline FEATURES APPLICATIONS FUNCTIONAL BLOCK DIAGRAM GENERAL DESCRIPTION PRODUCT HIGHLIGHTS TABLE OF CONTENTS REVISION HISTORY SPECIFICATIONS TIMING SPECIFICATIONS ABSOLUTE MAXIMUM RATINGS THERMAL RESISTANCE ESD CAUTION PIN CONFIGURATION AND FUNCTION DESCRIPTIONS TYPICAL PERFORMANCE CHARACTERISTICS TERMINOLOGY THEORY OF OPERATION CIRCUIT INFORMATION CONVERTER OPERATION ADC TRANSFER FUNCTION TYPICAL CONNECTION DIAGRAM ANALOG INPUT MODES OF OPERATION Normal Mode Power-Down Mode POWER CONSUMPTION Power Consumption in Normal Mode Power Consumption Using a Combination of Normal Mode and Power-Down Mode MULTIPLEXER APPLICATIONS SERIAL INTERFACE BUSY INDICATOR ENABLED BUSY INDICATOR DISABLED SOFTWARE RESET INTERFACING WITH AN 8-/16-BIT SPI BUS OUTLINE DIMENSIONS ORDERING GUIDE