Datasheet ADAS3022 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 16-Bit, 1 MSPS, 8 Channel Data Acquisition System |
| 页数 / 页 | 41 / 3 — ADAS3022. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 2/14—Rev. B to … |
| 修订版 | D |
| 文件格式/大小 | PDF / 797 Kb |
| 文件语言 | 英语 |
ADAS3022. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY. 2/14—Rev. B to Rev. C. 1/13—Rev. 0 to Rev. A. 4/13—Rev. A to Rev. B
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ADAS3022 Data Sheet TABLE OF CONTENTS
Features .. 1 Analog Inputs ... 25 Applications ... 1 Voltage Reference Output/Input .. 28 General Description ... 1 Power Supply ... 29 Functional Block Diagram .. 1 Conversion Modes ... 30 Revision History ... 2 Digital Interface .. 31 Specifications ... 3 Conversion Control ... 31 Timing Specifications .. 7 Reset and Power-Down (PD) Inputs ... 31 Absolute Maximum Ratings .. 9 Serial Data Interface ... 32 ESD Caution .. 9 General Considerations ... 33 Pin Configuration and Function Descriptions ... 10 General Timing .. 34 Typical Performance Characteristics ... 12 Configuration Register .. 36 Terminology .. 20 On Demand Conversion Mode .. 37 Theory of Operation .. 22 Channel Sequencer Details ... 37 Overview .. 22 Outline Dimensions ... 40 ADAS3022 Operation .. 22 Ordering Guide .. 40 Transfer Function ... 23 Typical Application Connection Diagram .. 24
REVISION HISTORY 2/14—Rev. B to Rev. C 1/13—Rev. 0 to Rev. A
Change to Figure 49 ... 19 Removed Endnote 3 and Added TA = 25°C to Gain Error Test Change to Figure 54 ... 24 Conditions/Comments, Table 2... 3 Change to Table 7 ... 25 Changes to REF1 and REF2 Description .. 11 Changes to Power-Down Mode Section .. 30 Added Figure 25 to Figure 28; Renumbered Sequentially .. 15 Added On Demand Conversion Mode Section and Table 12; Changes to Figure 29 .. 15 Renumbered Sequentially .. 37 Added Figure 30 ... 16 Change to Table 13 ... 37 Changes to Figure 33, Figure 34, and Figure 35 ... 16 Change to JEDEC Note, Figure 75 ... 40 Changes to Figure 36 and Figure 37... 17 Changes to Figure 50 .. 19
4/13—Rev. A to Rev. B
Changes to Figure 54 .. 24 Changes to Table 1 .. 1 Changes to Figure 56 .. 25 Added Input Impedance of 500 MΩ Min, Table 2 ... 3 Changes to Figure 57, Figure 58, Figure 59, and Figure 60... 26 Changes to Voltage Reference Output/Input Section, Figure 62, and Figure 63 ... 28 Changes to Core Supplies Section .. 29
11/12—Revision 0: Initial Version
Rev. C | Page 2 of 40 Document Outline Features Applications General Description Functional Block Diagram 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 Overview ADAS3022 Operation Transfer Function Typical Application Connection Diagram Analog Inputs Input Structure Programmable Gain Common-Mode Operating Range Fully Differential, Antiphase Signals with a Zero Common Mode Fully Differential, Antiphase Signals with a Nonzero Common Mode Differential, Nonantiphase Signals with a Zero Common Mode Single-Ended Signals with a Nonzero DC Offset (Asymmetrical) Single-Ended Signals with a 0 V DC Offset (Symmetrical) Multiplexer Channel Sequencer Auxiliary Input Channel Driver Amplifier Choice Voltage Reference Output/Input Internal Reference External Reference and Internal Buffer External Reference Reference Decoupling Power Supply Core Supplies High Voltage Supplies Power Dissipation Modes Fully Operational Mode Power-Down Mode Conversion Modes Warp Mode (CMS = 0) Normal Mode (CMS = 1, Default) Digital Interface Conversion Control CNV Rising Edge—Start of a Conversion (SOC) BUSY Falling Edge—End of a Conversion (EOC) Reset and Power-Down (PD) Inputs Serial Data Interface CPHA Sampling on the SCK Falling Edge Sampling on the SCK Rising Edge (Alternate Edge) CFG Readback General Considerations Data Access During Conversion—Maximum Throughput General Timing Configuration Register On Demand Conversion Mode Channel Sequencer Details INx and COM Inputs (MUX = 1, TEMPB = 1) INx and COM Inputs with AUX Inputs (MUX = 0, TEMPB = 1) INx and COM Inputs with Temperature Sensor (MUX = 1, TEMPB = 0) INx and COM Inputs with AUX Inputs and Temperature Sensor (MUX = 0, TEMPB = 0) Sequencer Modes Basic Sequencer Mode (SEQ = 11) Update During Sequence (SEQ = 01) Advanced Sequencer Mode (SEQ = 10) Outline Dimensions Ordering Guide
ADAS3022 Data Sheet TABLE OF CONTENTS
Features .. 1 Analog Inputs ... 25 Applications ... 1 Voltage Reference Output/Input .. 28 General Description ... 1 Power Supply ... 29 Functional Block Diagram .. 1 Conversion Modes ... 30 Revision History ... 2 Digital Interface .. 31 Specifications ... 3 Conversion Control ... 31 Timing Specifications .. 7 Reset and Power-Down (PD) Inputs ... 31 Absolute Maximum Ratings .. 9 Serial Data Interface ... 32 ESD Caution .. 9 General Considerations ... 33 Pin Configuration and Function Descriptions ... 10 General Timing .. 34 Typical Performance Characteristics ... 12 Configuration Register .. 36 Terminology .. 20 On Demand Conversion Mode .. 37 Theory of Operation .. 22 Channel Sequencer Details ... 37 Overview .. 22 Outline Dimensions ... 40 ADAS3022 Operation .. 22 Ordering Guide .. 40 Transfer Function ... 23 Typical Application Connection Diagram .. 24
REVISION HISTORY 2/14—Rev. B to Rev. C 1/13—Rev. 0 to Rev. A
Change to Figure 49 ... 19 Removed Endnote 3 and Added TA = 25°C to Gain Error Test Change to Figure 54 ... 24 Conditions/Comments, Table 2... 3 Change to Table 7 ... 25 Changes to REF1 and REF2 Description .. 11 Changes to Power-Down Mode Section .. 30 Added Figure 25 to Figure 28; Renumbered Sequentially .. 15 Added On Demand Conversion Mode Section and Table 12; Changes to Figure 29 .. 15 Renumbered Sequentially .. 37 Added Figure 30 ... 16 Change to Table 13 ... 37 Changes to Figure 33, Figure 34, and Figure 35 ... 16 Change to JEDEC Note, Figure 75 ... 40 Changes to Figure 36 and Figure 37... 17 Changes to Figure 50 .. 19
4/13—Rev. A to Rev. B
Changes to Figure 54 .. 24 Changes to Table 1 .. 1 Changes to Figure 56 .. 25 Added Input Impedance of 500 MΩ Min, Table 2 ... 3 Changes to Figure 57, Figure 58, Figure 59, and Figure 60... 26 Changes to Voltage Reference Output/Input Section, Figure 62, and Figure 63 ... 28 Changes to Core Supplies Section .. 29
11/12—Revision 0: Initial Version
Rev. C | Page 2 of 40 Document Outline Features Applications General Description Functional Block Diagram 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 Overview ADAS3022 Operation Transfer Function Typical Application Connection Diagram Analog Inputs Input Structure Programmable Gain Common-Mode Operating Range Fully Differential, Antiphase Signals with a Zero Common Mode Fully Differential, Antiphase Signals with a Nonzero Common Mode Differential, Nonantiphase Signals with a Zero Common Mode Single-Ended Signals with a Nonzero DC Offset (Asymmetrical) Single-Ended Signals with a 0 V DC Offset (Symmetrical) Multiplexer Channel Sequencer Auxiliary Input Channel Driver Amplifier Choice Voltage Reference Output/Input Internal Reference External Reference and Internal Buffer External Reference Reference Decoupling Power Supply Core Supplies High Voltage Supplies Power Dissipation Modes Fully Operational Mode Power-Down Mode Conversion Modes Warp Mode (CMS = 0) Normal Mode (CMS = 1, Default) Digital Interface Conversion Control CNV Rising Edge—Start of a Conversion (SOC) BUSY Falling Edge—End of a Conversion (EOC) Reset and Power-Down (PD) Inputs Serial Data Interface CPHA Sampling on the SCK Falling Edge Sampling on the SCK Rising Edge (Alternate Edge) CFG Readback General Considerations Data Access During Conversion—Maximum Throughput General Timing Configuration Register On Demand Conversion Mode Channel Sequencer Details INx and COM Inputs (MUX = 1, TEMPB = 1) INx and COM Inputs with AUX Inputs (MUX = 0, TEMPB = 1) INx and COM Inputs with Temperature Sensor (MUX = 1, TEMPB = 0) INx and COM Inputs with AUX Inputs and Temperature Sensor (MUX = 0, TEMPB = 0) Sequencer Modes Basic Sequencer Mode (SEQ = 11) Update During Sequence (SEQ = 01) Advanced Sequencer Mode (SEQ = 10) Outline Dimensions Ordering Guide