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AD7981 データシート(PDF) 2 Page - Analog Devices |
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AD7981 データシート(HTML) 2 Page - Analog Devices |
2 / 26 page AD7981 Data Sheet Rev. B | Page 2 of 26 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Typical Application Circuit ............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Timing Specifications .................................................................. 5 Absolute Maximum Ratings............................................................ 6 ESD Caution.................................................................................. 6 Pin Configuration and Function Descriptions............................. 7 Typical Performance Characteristics ............................................. 8 Terminology .................................................................................... 13 Theory of Operation ...................................................................... 14 Circuit Information.................................................................... 14 Converter Operation.................................................................. 14 Typical Connection Diagram.................................................... 15 Analog Input ............................................................................... 16 Driver Amplifier Choice ........................................................... 16 Voltage Reference Input ............................................................ 17 Power Supply............................................................................... 17 Digital Interface.......................................................................... 17 CS Mode, 3-Wire Without a Busy Indicator........................... 18 CS Mode, 3-Wire with a Busy Indicator ................................. 19 CS Mode, 4-Wire Without a Busy Indicator........................... 20 CS Mode, 4-Wire with a Busy Indicator ................................. 21 Chain Mode Without a Busy Indicator ................................... 22 Chain Mode with a Busy Indicator.......................................... 23 Applications Information .............................................................. 24 Printed Circuit Board (PCB) Layout ....................................... 25 Outline Dimensions....................................................................... 26 Ordering Guide .......................................................................... 26 REVISION HISTORY 7/2017—Rev. A to Rev. B Change to Conversion Time: CNV Rising Edge to Data Available Parameter; Table 3.............................................................................. 5 10/2016—Rev. 0 to Rev. A Added 10-Lead FLATPACK..............................................Universal Changes to Features Section and General Description Section . 1 Changes to Integral Nonlinearity (INL) Parameter, Table 1....... 3 Changes to Power Dissipation Parameter and Temperature Range, Specified Performance Parameter, Table 2....................... 4 Changes to Table 4............................................................................ 6 Added Figure 5; Renumbered Sequentially .................................. 7 Changes to Figure 6, Figure 7, and Figure 8 ................................. 8 Added Figure 9, Figure 10, and Figure 11..................................... 8 Changes to Figure 12.........................................................................9 Added Figure 15 ................................................................................9 Changes to Figure 18 and Figure 21 ............................................ 10 Added Figure 22 and Figure 23 .................................................... 10 Change to Figure 26 ....................................................................... 11 Added Figure 27, Figure 28, Figure 29 ........................................ 11 Added Figure 33 and Figure 34 .................................................... 12 Change to Figure 35 Caption ....................................................... 12 Changes to Circuit Information Section ..................................... 14 Updated Outline Dimensions....................................................... 26 Changes to Ordering Guide.......................................................... 26 10/2014—Revision 0: Initial Version |
同様の部品番号 - AD7981_17 |
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同様の説明 - AD7981_17 |
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