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Zakładka z wyszukiwarką danych komponentów |
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Zakładka z wyszukiwarką danych komponentów |
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AD7938 Arkusz danych(PDF) 2 Page - Analog Devices |
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AD7938 Arkusz danych(HTML) 2 Page - Analog Devices |
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2 / 36 page  AD7938/AD7939 Data Sheet Rev. D | Page 2 of 36 TABLE OF CONTENTS Features .............................................................................................. 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Product Highlights ........................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 AD7938 Specifications................................................................. 3 AD7939 Specifications................................................................. 5 Timing Specifications .................................................................. 7 Absolute Maximum Ratings............................................................ 8 ESD Caution.................................................................................. 8 Pin Configuration and Function Descriptions............................. 9 Typical Performance Characteristics ........................................... 11 Terminology .................................................................................... 13 On-Chip Registers.......................................................................... 15 Control Register.......................................................................... 15 Sequencer Operation ................................................................. 16 Shadow Register.......................................................................... 17 Circuit Information........................................................................ 18 Converter Operation.................................................................. 18 ADC Transfer Function............................................................. 18 Typical Connection Diagram ................................................... 19 Analog Input Structure.............................................................. 19 Analog Inputs.............................................................................. 20 Analog Input Selection .............................................................. 22 Reference ..................................................................................... 23 Parallel Interface......................................................................... 25 Power Modes of Operation....................................................... 28 Power vs. Throughput Rate....................................................... 29 Microprocessor Interfacing....................................................... 29 Application Hints ........................................................................... 31 Grounding and Layout .............................................................. 31 PCB Design Guidelines for Chip Scale Package .................... 31 Evaluating AD7938/AD7939 Performance ............................ 31 Outline Dimensions....................................................................... 32 Ordering Guide .......................................................................... 33 REVISION HISTORY 10/2016—Rev. C to Rev. D Changed CP-32-2 to CP-32-7 ...................................... Throughout Changes to Figure 2.......................................................................... 9 Updated Outline Dimensions....................................................... 32 Changes to Ordering Guide .......................................................... 33 10/2011—Rev. B to Rev. C Changes to SINAD Specification in Features Section ................. 1 Changes to AD7938 Specifications Section .................................. 3 Updated Outline Dimensions....................................................... 32 Changes to Ordering Guide .......................................................... 33 2/2007—Rev. A to Rev. B Updated Format..................................................................Universal Changes to Sequencer Operation Section................................... 16 Updated Outline Dimensions....................................................... 32 7/2005—Rev. 0 to Rev. A Changes to Specifications................................................................ 3 Added Figure 3.................................................................................. 9 Changes to Table 5.......................................................................... 10 Updated Typical Performance Characteristics........................... 13 Changes to Table 11 ....................................................................... 16 Changes to Analog Input Structure Section ............................... 18 Changes to Analog Inputs Section............................................... 19 Changes to Figure 17...................................................................... 17 Changes to Figure 20...................................................................... 18 Changes to Figure 21...................................................................... 19 Changes to Figure 22...................................................................... 19 Changes to Figure 24...................................................................... 19 Changes to Figure 28...................................................................... 21 Changes to Figure 29...................................................................... 21 Changes to Figure 41...................................................................... 28 Changes to Figure 43...................................................................... 28 Changes to Figure 44...................................................................... 29 Changes to Figure 45...................................................................... 29 Changes to Figure 46...................................................................... 29 Updated Outline Dimensions....................................................... 31 Changes to Ordering Guide.......................................................... 32 10/2004—Revision 0: Initial Version |
Podobny numer części - AD7938 |
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Podobny opis - AD7938 |
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