Datasheet AD7323 (Analog Devices) - 3
| Hersteller | Analog Devices |
| Beschreibung | 500 kSPS, 4-Channel, Software Selectable True bipolar Input, 12-Bit Plus Sign A/D Converter |
| Seiten / Seite | 37 / 3 — AD7323. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 12/13—Rev. A to … |
| Revision | B |
| Dateiformat / Größe | PDF / 696 Kb |
| Dokumentensprache | Englisch |
AD7323. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 12/13—Rev. A to Rev. B. 1/10—Rev. 0 to Rev. A
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AD7323 Data Sheet TABLE OF CONTENTS
Features .. 1 Control Register ... 23 Functional Block Diagram .. 1 Sequence Register ... 25 General Description ... 1 Range Register .. 25 Product Highlights ... 1 Sequencer Operation ... 26 Revision History ... 2 Reference ... 28 Specifications ... 3 VDRIVE .. 28 Timing Specifications .. 7 Modes of Operation ... 29 Absolute Maximum Ratings .. 8 Normal Mode (PM1 = PM0 = 0) ... 29 ESD Caution .. 8 Full Shutdown Mode (PM1 = PM0 = 1) ... 29 Pin Configuration and Function Descriptions ... 9 Autoshutdown Mode (PM1 = 1, PM0 = 0) ... 30 Typical Performance Characteristics ... 10 Autostandby Mode (PM1 = 0, PM0 = 1) .. 30 Terminology .. 14 Power vs. Throughput Rate ... 31 Theory of Operation .. 16 Serial Interface .. 32 Circuit Information .. 16 Microprocessor Interfacing ... 33 Converter Operation .. 16 AD7323 to ADSP-21xx .. 33 Analog Input Structure .. 17 AD7323 to ADSP-BF53x ... 33 Typical Connection Diagram ... 19 Application Hints ... 34 Analog Input ... 19 Layout and Grounding .. 34 Driver Amplifier Choice .. 21 Power Supply Configuration .. 34 Registers ... 22 Outline Dimensions ... 35 Addressing Registers .. 22 Ordering Guide .. 35
REVISION HISTORY 12/13—Rev. A to Rev. B
Changes to Figure 30 .. 18 Changes to Circuit Information Section and Table 6 .. 16 Changes to Figure 33 and Figure 34... 19 Changes to Addressing Registers Section .. 22 Changes to Figure 39 .. 20 Changes to Power Supply Configuration Section .. 34 Changes to Figure 40 and Figure 41... 21 Changes to Autostandby Mode (PM1 = 0, PM0 = 1) Section .. 30
1/10—Rev. 0 to Rev. A
Changes to Table 14 and Table 15 .. 33 Changes to Features and General Description Sections .. 1 Added Power Supply Configuration Section .. 34 Changes to Power Requirements, Normal Mode (Operational), Added Figure 54; Renumbered Sequentially .. 34 ICC and IDRIVE Parameter; and Power Dissipation, Normal Mode Added Table 16; Renumbered Sequentially .. 34 (Operational) Parameter, Table 2 ... 5 Changes to Ordering Guide .. 35 Changes to Endnote 1, Table 4 .. 8 Changes to Table 6, Figure 23, and Figure 24 ... 16
1/06—Revision 0: Initial Version
Changes to Figure 25, Figure 26, and Figure 29 ... 17 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 Register Sequencer Operation Reference VDRIVE Modes of Operation Normal Mode (PM1 = PM0 = 0) Full Shutdown Mode (PM1 = PM0 = 1) Autoshutdown Mode (PM1 = 1, PM0 = 0) Autostandby Mode (PM1 = 0, PM0 = 1) Power vs. Throughput Rate Serial Interface Microprocessor Interfacing AD7323 to ADSP-21xx AD7323 to ADSP-BF53x Application Hints Layout and Grounding Power Supply Configuration Outline Dimensions Ordering Guide
AD7323 Data Sheet TABLE OF CONTENTS
Features .. 1 Control Register ... 23 Functional Block Diagram .. 1 Sequence Register ... 25 General Description ... 1 Range Register .. 25 Product Highlights ... 1 Sequencer Operation ... 26 Revision History ... 2 Reference ... 28 Specifications ... 3 VDRIVE .. 28 Timing Specifications .. 7 Modes of Operation ... 29 Absolute Maximum Ratings .. 8 Normal Mode (PM1 = PM0 = 0) ... 29 ESD Caution .. 8 Full Shutdown Mode (PM1 = PM0 = 1) ... 29 Pin Configuration and Function Descriptions ... 9 Autoshutdown Mode (PM1 = 1, PM0 = 0) ... 30 Typical Performance Characteristics ... 10 Autostandby Mode (PM1 = 0, PM0 = 1) .. 30 Terminology .. 14 Power vs. Throughput Rate ... 31 Theory of Operation .. 16 Serial Interface .. 32 Circuit Information .. 16 Microprocessor Interfacing ... 33 Converter Operation .. 16 AD7323 to ADSP-21xx .. 33 Analog Input Structure .. 17 AD7323 to ADSP-BF53x ... 33 Typical Connection Diagram ... 19 Application Hints ... 34 Analog Input ... 19 Layout and Grounding .. 34 Driver Amplifier Choice .. 21 Power Supply Configuration .. 34 Registers ... 22 Outline Dimensions ... 35 Addressing Registers .. 22 Ordering Guide .. 35
REVISION HISTORY 12/13—Rev. A to Rev. B
Changes to Figure 30 .. 18 Changes to Circuit Information Section and Table 6 .. 16 Changes to Figure 33 and Figure 34... 19 Changes to Addressing Registers Section .. 22 Changes to Figure 39 .. 20 Changes to Power Supply Configuration Section .. 34 Changes to Figure 40 and Figure 41... 21 Changes to Autostandby Mode (PM1 = 0, PM0 = 1) Section .. 30
1/10—Rev. 0 to Rev. A
Changes to Table 14 and Table 15 .. 33 Changes to Features and General Description Sections .. 1 Added Power Supply Configuration Section .. 34 Changes to Power Requirements, Normal Mode (Operational), Added Figure 54; Renumbered Sequentially .. 34 ICC and IDRIVE Parameter; and Power Dissipation, Normal Mode Added Table 16; Renumbered Sequentially .. 34 (Operational) Parameter, Table 2 ... 5 Changes to Ordering Guide .. 35 Changes to Endnote 1, Table 4 .. 8 Changes to Table 6, Figure 23, and Figure 24 ... 16
1/06—Revision 0: Initial Version
Changes to Figure 25, Figure 26, and Figure 29 ... 17 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 Register Sequencer Operation Reference VDRIVE Modes of Operation Normal Mode (PM1 = PM0 = 0) Full Shutdown Mode (PM1 = PM0 = 1) Autoshutdown Mode (PM1 = 1, PM0 = 0) Autostandby Mode (PM1 = 0, PM0 = 1) Power vs. Throughput Rate Serial Interface Microprocessor Interfacing AD7323 to ADSP-21xx AD7323 to ADSP-BF53x Application Hints Layout and Grounding Power Supply Configuration Outline Dimensions Ordering Guide