Datasheet AD7328 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | Software Selectable, True Bipolar Input, 8-Channel, 12-Bit Plus Sign A/D Converter |
| 页数 / 页 | 37 / 3 — AD7328. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 1/14—Rev. B to … |
| 修订版 | C |
| 文件格式/大小 | PDF / 773 Kb |
| 文件语言 | 英语 |
AD7328. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 1/14—Rev. B to Rev. C. 6/06—Rev. 0 to Rev. A. 2/10—Rev. A to Rev. B
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AD7328 Data Sheet TABLE OF CONTENTS
Features .. 1 Sequence Register ... 24 General Description ... 1 Range Registers ... 24 Functional Block Diagram .. 1 Sequencer Operation ... 25 Product Highlights ... 1 Reference ... 27 Revision History ... 2 VDRIVE .. 27 Specifications ... 3 Temperature Indicator ... 27 Timing Specifications .. 6 Modes of Operation ... 28 Absolute Maximum Ratings .. 7 Normal Mode (PM1 = PM0 = 0) ... 28 ESD Caution .. 7 Full Shutdown Mode (PM1 = PM0 = 1) ... 28 Pin Configuration and Function Descriptions ... 8 Autoshutdown Mode (PM1 = 1, PM0 = 0) ... 29 Typical Performance Characteristics ... 9 Autostandby Mode (PM1 = 0, PM0 = 1) .. 29 Terminology .. 13 Power vs. Throughput Rate ... 30 Theory of Operation .. 15 Serial Interface .. 31 Circuit Information .. 15 Microprocessor Interfacing ... 32 Converter Operation .. 15 AD7328 to ADSP-21xx .. 32 Analog Input Structure .. 16 AD7328 to ADSP-BF53x ... 32 Typical Connection Diagram ... 18 Applications Information .. 33 Analog Input ... 18 Layout and Grounding .. 33 Driver Amplifier Choice .. 20 Power Supply Configuration .. 33 Registers ... 21 Outline Dimensions ... 34 Addressing Registers .. 21 Ordering Guide .. 34 Control Register .. 22
REVISION HISTORY 1/14—Rev. B to Rev. C
Changes to Circuit Information Section and Table 6 .. 15
6/06—Rev. 0 to Rev. A
Changes to Addressing Registers Section .. 21 Changes to Table 1 ... 1 Changes to Power Supply Configuration Section .. 33 Changes to Specifications ... 3 Changes to Ordering Guide .. 34 Added Thermal Hysteresis to Terminology Section.. 14 Change to Figure 42 ... 20
2/10—Rev. A to Rev. B
Change to Control Register Section ... 23 Change to Product Highlights Section .. 1 Changes to DC Accuracy Parameter, Test Conditions/
10/05—Revision 0: Initial Version
Comments, Table 2 ... 3 Changes to Normal Mode (Operational) ICC and IDRIVE Parameter and to Power Dissipation Normal Mode Parameter, Table 2 .. 5 Changes to Table 14 and Table 15 .. 32 Added Power Supply Configuration Section and Figure 56 ... 33 Changes to Ordering Guide .. 34 Rev. C | Page 2 of 36 Document Outline Features General Description Functional Block Diagram 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 (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 AD7328 to ADSP-21xx AD7328 to ADSP-BF53x Applications Information Layout and Grounding Power Supply Configuration Outline Dimensions Ordering Guide
AD7328 Data Sheet TABLE OF CONTENTS
Features .. 1 Sequence Register ... 24 General Description ... 1 Range Registers ... 24 Functional Block Diagram .. 1 Sequencer Operation ... 25 Product Highlights ... 1 Reference ... 27 Revision History ... 2 VDRIVE .. 27 Specifications ... 3 Temperature Indicator ... 27 Timing Specifications .. 6 Modes of Operation ... 28 Absolute Maximum Ratings .. 7 Normal Mode (PM1 = PM0 = 0) ... 28 ESD Caution .. 7 Full Shutdown Mode (PM1 = PM0 = 1) ... 28 Pin Configuration and Function Descriptions ... 8 Autoshutdown Mode (PM1 = 1, PM0 = 0) ... 29 Typical Performance Characteristics ... 9 Autostandby Mode (PM1 = 0, PM0 = 1) .. 29 Terminology .. 13 Power vs. Throughput Rate ... 30 Theory of Operation .. 15 Serial Interface .. 31 Circuit Information .. 15 Microprocessor Interfacing ... 32 Converter Operation .. 15 AD7328 to ADSP-21xx .. 32 Analog Input Structure .. 16 AD7328 to ADSP-BF53x ... 32 Typical Connection Diagram ... 18 Applications Information .. 33 Analog Input ... 18 Layout and Grounding .. 33 Driver Amplifier Choice .. 20 Power Supply Configuration .. 33 Registers ... 21 Outline Dimensions ... 34 Addressing Registers .. 21 Ordering Guide .. 34 Control Register .. 22
REVISION HISTORY 1/14—Rev. B to Rev. C
Changes to Circuit Information Section and Table 6 .. 15
6/06—Rev. 0 to Rev. A
Changes to Addressing Registers Section .. 21 Changes to Table 1 ... 1 Changes to Power Supply Configuration Section .. 33 Changes to Specifications ... 3 Changes to Ordering Guide .. 34 Added Thermal Hysteresis to Terminology Section.. 14 Change to Figure 42 ... 20
2/10—Rev. A to Rev. B
Change to Control Register Section ... 23 Change to Product Highlights Section .. 1 Changes to DC Accuracy Parameter, Test Conditions/
10/05—Revision 0: Initial Version
Comments, Table 2 ... 3 Changes to Normal Mode (Operational) ICC and IDRIVE Parameter and to Power Dissipation Normal Mode Parameter, Table 2 .. 5 Changes to Table 14 and Table 15 .. 32 Added Power Supply Configuration Section and Figure 56 ... 33 Changes to Ordering Guide .. 34 Rev. C | Page 2 of 36 Document Outline Features General Description Functional Block Diagram 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 (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 AD7328 to ADSP-21xx AD7328 to ADSP-BF53x Applications Information Layout and Grounding Power Supply Configuration Outline Dimensions Ordering Guide