AD7328
TABLE OF CONTENTS
Features..............................................................................................1
Rev. A | Page 2 of 36
General Description.........................................................................1
Functional Block Diagram..............................................................1
Product Highlights...........................................................................1
Revision History...............................................................................2
Specifications.....................................................................................3
Timing Specifications ..................................................................6
Absolute Maximum Ratings............................................................7
ESD Caution..................................................................................7
Pin Configuration and Function Descriptions.............................8
Typical Performance Characteristics.............................................9
Terminology....................................................................................13
Theory of Operation......................................................................15
Circuit Information....................................................................15
Converter Operation..................................................................15
Analog Input Structure..............................................................16
Typical Connection Diagram ...................................................18
Analog Input...............................................................................18
Driver Amplifier Choice............................................................20
Registers...........................................................................................21
Addressing Registers..................................................................21
Control Register ......................................................................... 22
Sequence Register....................................................................... 24
Range Registers........................................................................... 24
Sequencer Operation ..................................................................... 25
Reference..................................................................................... 27
V
DRIVE
............................................................................................ 27
Temperature Indicator............................................................... 27
Modes of Operation....................................................................... 28
Normal Mode.............................................................................. 28
Full Shutdown Mode.................................................................. 28
Autoshutdown Mode................................................................. 29
Autostandby Mode..................................................................... 29
Power vs. Throughput Rate....................................................... 30
Serial Interface................................................................................ 31
Microprocessor Interfacing........................................................... 32
AD7328 to ADSP-21xx.............................................................. 32
AD7328 to ADSP-BF53x........................................................... 32
Application Hints ........................................................................... 33
Layout and Grounding.............................................................. 33
Outline Dimensions....................................................................... 34
Ordering Guide .......................................................................... 34
REVISION HISTORY
6/06—Rev. 0 to Rev. A
Changes to Table 1............................................................................ 1
Changes to Specifications................................................................ 3
Added Thermal Hysteresis to Terminology Section..................14
Change to Figure 42.......................................................................20
Change to Control Register Section.............................................23
10/05—Revision 0: Initial Version
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