AD7657 データシートの表示（PDF） - Analog Devices
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AD7657 Datasheet PDF : 32 Pages
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AD7656/AD7657/AD7658
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
AD7656 .......................................................................................... 3
AD7657 .......................................................................................... 5
AD7658 .......................................................................................... 7
Timing Specifications .................................................................. 9
Absolute Maximum Ratings.......................................................... 10
Thermal Resistance .................................................................... 10
ESD Caution................................................................................ 10
Pin Configuration and Function Descriptions........................... 11
REVISION HISTORY
3/12—Rev. C to Rev D
Changes to Figure 26...................................................................... 22
8/10—Rev. B to Rev. C
Changes to t1 Unit in Table 4........................................................... 9
Changes to VDD to AVCC Rating in Table 5 .................................. 10
Added Power Supply Configuration Section .............................. 29
Added Figure 36.............................................................................. 29
VDD to AVCC
1/10—Rev. A to Rev. B
Changes to Unit of DC Accuracy Parameter, Table 1.................. 3
Changes to DC Accuracy Parameter, Table 2 ............................... 5
Changes to DC Accuracy Parameter, Table 3 ............................... 7
Changes to Terminology Section.................................................. 18
Updated Outline Dimensions ....................................................... 30
Changes to Ordering Guide .......................................................... 30
Data Sheet
Typical Performance Characteristics ........................................... 14
Terminology .................................................................................... 18
Theory of Operation ...................................................................... 20
Converter Details ....................................................................... 20
ADC Transfer Function............................................................. 21
Reference Section ....................................................................... 21
Typical Connection Diagram ................................................... 21
Driving the Analog Inputs ........................................................ 22
Interface Section ......................................................................... 22
Application Hints ........................................................................... 29
Layout .......................................................................................... 29
Power Supply Configuration..................................................... 29
Outline Dimensions ....................................................................... 30
Ordering Guide .......................................................................... 30
4/06—Rev. 0 to Rev. A
Added AD7657/AD7658 parts ......................................... Universal
Changes to Table 1.............................................................................3
Changes to Table 5.......................................................................... 10
3/06—Revision 0: Initial Version
Rev. D | Page 2 of 32
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