Datasheet AD7686 (Analog Devices) - 3
| 制造商 | Analog Devices |
| 描述 | 500 kSPS 16-BIT PulSAR® A/D Converter in MSOP/QFN |
| 页数 / 页 | 29 / 3 — AD7686. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 8/14—Rev. B to … |
| 修订版 | C |
| 文件格式/大小 | PDF / 573 Kb |
| 文件语言 | 英语 |
AD7686. Data Sheet. TABLE OF CONTENTS. REVISION HISTORY 8/14—Rev. B to Rev. C. 4/06—Rev. 0 to Rev. A
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AD7686 Data Sheet TABLE OF CONTENTS
Features .. 1 Driver Amplifier Choice ... 15 Applications ... 1 Voltage Reference Input .. 15 Functional Block Diagram .. 1 Power Supply ... 15 General Description ... 1 Supplying the ADC from the Reference .. 16 Revision History ... 2 Digital Interface .. 16 Specifications ... 3 CS MODE 3-Wire, No Busy Indicator .. 17 Timing Specifications ... 5 CS Mode 3-Wire with Busy Indicator ... 18 Absolute Maximum Ratings .. 6 CS Mode 4-Wire, No Busy Indicator ... 19 ESD Caution .. 6 CS Mode 4-Wire with Busy Indicator ... 20 Pin Configurations and Function Descriptions ... 7 Chain Mode, No Busy Indicator .. 21 Terminology .. 8 Chain Mode with Busy Indicator ... 22 Typical Performance Characteristics ... 9 Application Hints ... 23 Theory of Operation .. 12 Layout .. 23 Circuit Information .. 12 Evaluating the Performance of the AD7686 .. 23 Converter Operation .. 12 True 16-Bit Isolated Application Example .. 24 Typical Connection Diagram.. 13 Outline Dimensions ... 25 Analog Input ... 14 Ordering Guide .. 26
REVISION HISTORY 8/14—Rev. B to Rev. C 4/06—Rev. 0 to Rev. A
Deleted QFN .. Throughout Updated Format .. Universal Change to Features Section ... 1 Updated Outline Dimensions ... 25 Added Patent Note, Note 1 .. 1 Changes to Ordering Guide .. 26 Added EPAD Notation to Figure 6 and Table 6.. 7 Changes to Evaluating the Performance of the AD7686
4/05—Revision 0: Initial Version
Section .. 23 Updated Outline Dimensions ... 25 Changes to Ordering Guide .. 26
3/07—Rev. A to Rev. B
Changes to Features and Table 1... 1 Changes to Table 3 .. 4 Moved Figure 3 and Figure 4 to Page ... 5 Changes to Figure 13 and Figure 15 ... 10 Changes to Figure 26 .. 13 Changes to Table 8 .. 15 Changes to Figure 31 .. 16 Changes to Figure 42 .. 21 Changes to Figure 44 .. 22 Updated Outline Dimensions ... 25 Changes to Ordering Guide .. 26 Rev. C | Page 2 of 28 Document Outline Features Applications Functional Block Diagram General Description Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Terminology Typical Performance Characteristics Theory of Operation Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Input Driver Amplifier Choice Voltage Reference Input Power Supply Supplying the ADC from the Reference Digital Interface CS/ MODE 3-Wire, No Busy Indicator CS/ Mode 3-Wire with Busy Indicator CS/ Mode 4-Wire, No Busy Indicator CS/ Mode 4-Wire with Busy Indicator Chain Mode, No Busy Indicator Chain Mode with Busy Indicator Application Hints Layout Evaluating the Performance of the AD7686 True 16-Bit Isolated Application Example Outline Dimensions Ordering Guide
AD7686 Data Sheet TABLE OF CONTENTS
Features .. 1 Driver Amplifier Choice ... 15 Applications ... 1 Voltage Reference Input .. 15 Functional Block Diagram .. 1 Power Supply ... 15 General Description ... 1 Supplying the ADC from the Reference .. 16 Revision History ... 2 Digital Interface .. 16 Specifications ... 3 CS MODE 3-Wire, No Busy Indicator .. 17 Timing Specifications ... 5 CS Mode 3-Wire with Busy Indicator ... 18 Absolute Maximum Ratings .. 6 CS Mode 4-Wire, No Busy Indicator ... 19 ESD Caution .. 6 CS Mode 4-Wire with Busy Indicator ... 20 Pin Configurations and Function Descriptions ... 7 Chain Mode, No Busy Indicator .. 21 Terminology .. 8 Chain Mode with Busy Indicator ... 22 Typical Performance Characteristics ... 9 Application Hints ... 23 Theory of Operation .. 12 Layout .. 23 Circuit Information .. 12 Evaluating the Performance of the AD7686 .. 23 Converter Operation .. 12 True 16-Bit Isolated Application Example .. 24 Typical Connection Diagram.. 13 Outline Dimensions ... 25 Analog Input ... 14 Ordering Guide .. 26
REVISION HISTORY 8/14—Rev. B to Rev. C 4/06—Rev. 0 to Rev. A
Deleted QFN .. Throughout Updated Format .. Universal Change to Features Section ... 1 Updated Outline Dimensions ... 25 Added Patent Note, Note 1 .. 1 Changes to Ordering Guide .. 26 Added EPAD Notation to Figure 6 and Table 6.. 7 Changes to Evaluating the Performance of the AD7686
4/05—Revision 0: Initial Version
Section .. 23 Updated Outline Dimensions ... 25 Changes to Ordering Guide .. 26
3/07—Rev. A to Rev. B
Changes to Features and Table 1... 1 Changes to Table 3 .. 4 Moved Figure 3 and Figure 4 to Page ... 5 Changes to Figure 13 and Figure 15 ... 10 Changes to Figure 26 .. 13 Changes to Table 8 .. 15 Changes to Figure 31 .. 16 Changes to Figure 42 .. 21 Changes to Figure 44 .. 22 Updated Outline Dimensions ... 25 Changes to Ordering Guide .. 26 Rev. C | Page 2 of 28 Document Outline Features Applications Functional Block Diagram General Description Table of Contents Revision History Specifications Timing Specifications Absolute Maximum Ratings ESD Caution Pin Configurations and Function Descriptions Terminology Typical Performance Characteristics Theory of Operation Circuit Information Converter Operation Transfer Functions Typical Connection Diagram Analog Input Driver Amplifier Choice Voltage Reference Input Power Supply Supplying the ADC from the Reference Digital Interface CS/ MODE 3-Wire, No Busy Indicator CS/ Mode 3-Wire with Busy Indicator CS/ Mode 4-Wire, No Busy Indicator CS/ Mode 4-Wire with Busy Indicator Chain Mode, No Busy Indicator Chain Mode with Busy Indicator Application Hints Layout Evaluating the Performance of the AD7686 True 16-Bit Isolated Application Example Outline Dimensions Ordering Guide