AD7278AUJZ-RL7 查看數據表（PDF） - Analog Devices
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AD7278AUJZ-RL7 Datasheet PDF : 28 Pages
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AD7276/AD7277/AD7278
TABLE OF CONTENTS
Features .............................................................................................. 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications .................................................................................... 3
AD7276 Specifications................................................................. 3
AD7277 Specifications................................................................. 5
AD7278 Specifications................................................................. 7
Timing Specifications—AD7276/AD7277/AD7278 ............... 8
Timing Examples........................................................................ 10
Absolute Maximum Ratings ......................................................... 11
ESD Caution................................................................................ 11
Pin Configurations and Function Descriptions......................... 12
Performance Characteristics......................................................... 13
Terminology.................................................................................... 15
REVISION HISTORY
7/2020—Rev. D to Rev. E
Change to Table 3............................................................................. 5
7/2015—Rev. C to Rev. D
Changes to Differential Nonlinearity Parameter, Table 2 .......... 3
Changes to Typical Connection Diagram Section..................... 16
Changes to AD7276/AD7277/AD7278 to Blackfin Processor
Section and Figure 36..................................................................... 24
Changes to Ordering Guide .......................................................... 27
5/2011—Rev. B to Rev. C
Changes to Figure 21 ..................................................................... 16
Changes to Ordering Guide .......................................................... 27
Changes to Endnote 5 .................................................................... 27
Data Sheet
Theory of Operation ...................................................................... 16
Circuit Information ................................................................... 16
Converter Operation ................................................................. 16
ADC Transfer Function ............................................................ 16
Typical Connection Diagram ................................................... 16
Modes of Operation................................................................... 18
Power vs. Throughput Rate ...................................................... 21
Serial Interface ................................................................................ 22
AD7278 in a 10 SCLK Cycle Serial Interface ......................... 24
Microprocessor Interfacing ...................................................... 24
Application Hints ........................................................................... 25
Grounding and Layout .............................................................. 25
Evaluating Performance ............................................................. 25
Outline Dimensions....................................................................... 26
Ordering Guide .......................................................................... 27
11/2009—Rev. A to Rev. B
Changes to Table 2 ............................................................................3
Changes to Table 3 ............................................................................5
Changes to Table 4 ............................................................................7
Changes to Ordering Guide.......................................................... 27
10/2005—Rev. 0 to Rev. A
Updated Format .................................................................Universal
Changes to Table 2 ............................................................................3
Changes to Table 5 ............................................................................8
Changes to the Partial Power-Down Mode Section.................. 18
Changes to the Power vs. Throughput Rate Section ................. 21
Updated Outline Dimensions ...................................................... 26
Changes to Ordering Guide.......................................................... 26
7/2005—Revision 0: Initial Version
Rev. E | Page 2 of 28
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