Datasheet AD7327 (Analog Devices) - 3

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AD7327 Data Sheet TABLE OF CONTENTS
Features .. 1 Sequence Register ... 23 Functional Block Diagram .. 1 Range Registers ... 24 General Description ... 1 Sequencer Operation ... 25 Product Highlights ... 1 Reference ... 27 Revision History ... 2 VDRIVE .. 27 Specifications ... 3 Temperature Indicator ... 27 Timing Specifications .. 7 Modes of Operation ... 28 Absolute Maximum Ratings .. 8 Normal Mode .. 28 ESD Caution .. 8 Full Shutdown Mode .. 28 Pin Configuration and Function Descriptions ... 9 Autoshutdown Mode ... 29 Typical Performance Characteristics ... 10 Autostandby Mode ... 29 Terminology .. 14 Power vs. Throughput Rate ... 30 Theory of Operation .. 16 Serial Interface .. 31 Circuit Information .. 16 Microprocessor Interfacing ... 32 Converter Operation .. 16 AD7327 to ADSP-21xx .. 32 Analog Input Structure .. 17 AD7327 to ADSP-BF53x ... 32 Typical Connection Diagram ... 19 Application Hints ... 33 Analog Input ... 19 Layout and Grounding .. 33 Driver Amplifier Choice .. 21 Power Supply Configuration .. 33 Registers ... 22 Outline Dimensions ... 34 Addressing Registers .. 22 Ordering Guide .. 34 Control Register .. 22
REVISION HISTORY 12/13—Rev. A to Rev. B
Changes to Circuit Information Section and Table 6 .. 16 Changes to Addressing Registers Section .. 22 Changes to Power Supply Configuration Section .. 33 Changes to Ordering Guide .. 34
1/10—Rev. 0 to Rev. A
Change to Features and Product Highlights Sections ... 1 Changes to Table 2 .. 5 Change to Endnote 1 in Table 4 .. 8 Added Power Supply Configuration Section, Figure 56, and Table 16 .. 33
1/06—Revision 0: Initial Version
Rev. B | Page 2 of 36 Document Outline Features Functional Block Diagram General Description Product Highlights Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configuration and Function Descriptions Typical Performance Characteristics Terminology Theory of Operation Circuit Information Converter Operation Output Coding Transfer Functions Analog Input Structure Track-and-Hold Section Typical Connection Diagram Analog Input Single-Ended Inputs True Differential Mode Pseudo Differential Inputs Driver Amplifier Choice Registers Addressing Registers Control Register Sequence Register Range Registers Sequencer Operation Reference VDRIVE Temperature Indicator Modes of Operation Normal Mode Full Shutdown Mode Autoshutdown Mode Autostandby Mode Power vs. Throughput Rate Serial Interface Microprocessor Interfacing AD7327 to ADSP-21xx AD7327 to ADSP-BF53x Application Hints Layout and Grounding Power Supply Configuration Outline Dimensions Ordering Guide