поискавой системы для электроныых деталей |
|
AD7949 датащи(PDF) 2 Page - Analog Devices |
|
AD7949 датащи(HTML) 2 Page - Analog Devices |
2 / 32 page AD7949 Rev. B | Page 2 of 32 TABLE OF CONTENTS Features .............................................................................................. 1 Applications....................................................................................... 1 Functional Block Diagram .............................................................. 1 General Description ......................................................................... 1 Revision History ............................................................................... 2 Specifications..................................................................................... 3 Timing Specifications .................................................................. 5 Absolute Maximum Ratings............................................................ 7 ESD Caution.................................................................................. 7 Pin Configuration and Function Descriptions............................. 8 Typical Performance Characteristics ............................................. 9 Terminology .................................................................................... 12 Theory of Operation ...................................................................... 13 Overview...................................................................................... 13 Converter Operation.................................................................. 13 Transfer Functions...................................................................... 14 Typical Connection Diagrams.................................................. 15 Analog Inputs.............................................................................. 16 Driver Amplifier Choice............................................................ 18 Voltage Reference Output/Input .............................................. 18 Power Supply............................................................................... 20 Supplying the ADC from the Reference.................................. 20 Digital Interface .............................................................................. 21 Reading/Writing During Conversion, Fast Hosts.................. 21 Reading/Writing After Conversion, Any Speed Hosts.......... 21 Reading/Writing Spanning Conversion, Any Speed Host.... 21 Configuration Register, CFG .................................................... 21 General Timing Without a Busy Indicator ............................. 23 General Timing with a Busy Indicator .................................... 24 Channel Sequencer .................................................................... 25 Read/Write Spanning Conversion Without a Busy Indicator ....................................................................................................... 26 Read/Write Spanning Conversion with a Busy Indicator..... 27 Application Hints ........................................................................... 28 Layout .......................................................................................... 28 Evaluating AD7949 Performance............................................. 28 Outline Dimensions ....................................................................... 29 Ordering Guide .......................................................................... 29 REVISION HISTORY 5/09—Rev. A to Rev. B Changes to Features Section, Applications Section, and Figure 1 .............................................................................................. 1 Changes to Specifications Section .................................................. 3 Changes to Timing Specifications Section.................................... 5 Changes to Table 5............................................................................ 7 Changes to Figure 4 and Table 6..................................................... 8 Changes to Figure 20...................................................................... 11 Changes to Converter Operation Section ................................... 13 Changes to Table 7.......................................................................... 14 Changes to Figure 25 and Figure 26............................................. 15 Changes to Bipolar Single Supply Section, Input Structure Section, and Selectable Low-Pass Filter Section......................... 16 Changes to Input Configurations Section, Sequencer Section, and Source Resistance Section...................................................... 17 Changes to Internal Reference/Temperature Sensor Section ... 18 Added Figure 30; Renumbered Sequentially .............................. 18 Changes to External Reference and Internal Buffer Section, External Reference Section, and Reference Decoupling Section.............................................................................................. 19 Added Figure 31 and Figure 32..................................................... 19 Changes to Power Supply Section ................................................ 20 Changed Reading/Writing During Conversion, Fast Hosts Section to Reading/Writing After Conversion, Any Speed Hosts............................................................................. 21 Changes to Configuration Register, CFG Section and Table 9 .............................................................................................. 22 Added General Timing Without a Busy Indicator Section and Figure 36 .......................................................................................... 23 Added General Timing with a Busy Indicator Section and Figure 37 .......................................................................................... 24 Added Channel Sequencer Section, Examples Section, and Figure 38 .......................................................................................... 25 Changes to Read/Write Spanning Conversion Without a Busy Indicator Section and Figure 40 ................................................... 26 Changes to Read/Write Spanning Conversion with a Busy Indicator Section and Figure 42 ................................................... 27 Changes to Evaluating AD7949 Performance Section .............. 28 Added Exposed Pad Notation to Outline Dimensions ............. 29 Changes to Ordering Guide .......................................................... 29 5/08—Rev. 0 to Rev. A Changes to Ordering Guide .......................................................... 26 5/08—Revision 0: Initial Version |
Аналогичный номер детали - AD7949_09 |
|
Аналогичное описание - AD7949_09 |
|
|
ссылки URL |
Конфиденциальность |
ALLDATASHEETRU.COM |
Вашему бизинису помогли Аллдатащит? [ DONATE ] |
Что такое Аллдатащит | реклама | контакт | Конфиденциальность | обмен ссыками | поиск по производителю All Rights Reserved©Alldatasheet.com |
Russian : Alldatasheetru.com | Korean : Alldatasheet.co.kr | Spanish : Alldatasheet.es | French : Alldatasheet.fr | Italian : Alldatasheetit.com Portuguese : Alldatasheetpt.com | Polish : Alldatasheet.pl | Vietnamese : Alldatasheet.vn Indian : Alldatasheet.in | Mexican : Alldatasheet.com.mx | British : Alldatasheet.co.uk | New Zealand : Alldatasheet.co.nz |
Family Site : ic2ic.com |
icmetro.com |