AD7328
TABLE OF CONTENTS
Features .............................................................................................. 1
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
REVISION HISTORY
1/14—Rev. B to Rev. C
Changes to Circuit Information Section and Table 6 ................ 15
Changes to Addressing Registers Section.................................... 21
Changes to Power Supply Configuration Section ...................... 33
Changes to Ordering Guide .......................................................... 34
2/10—Rev. A to Rev. B
Change to Product Highlights Section .......................................... 1
Changes to DC Accuracy Parameter, Test Conditions/
Comments, Table 2....................................................................... 3
Changes to Normal Mode (Operational) ICC and IDRIVE
Parameter and to Power Dissipation Normal Mode
Parameter, Table 2 ........................................................................ 5
Changes to Table 14 and Table 15 ................................................ 32
Added Power Supply Configuration Section and Figure 56 ..... 33
Changes to Ordering Guide .......................................................... 34
Data Sheet
Sequence Register....................................................................... 24
Range Registers........................................................................... 24
Sequencer Operation ..................................................................... 25
Reference ..................................................................................... 27
VDRIVE............................................................................................ 27
Temperature Indicator............................................................... 27
Modes of Operation ....................................................................... 28
Normal Mode (PM1 = PM0 = 0) ............................................. 28
Full Shutdown Mode (PM1 = PM0 = 1) ................................. 28
Autoshutdown Mode (PM1 = 1, PM0 = 0)............................. 29
Autostandby Mode (PM1 = 0, PM0 = 1) ................................ 29
Power vs. Throughput Rate....................................................... 30
Serial Interface ................................................................................ 31
Microprocessor Interfacing........................................................... 32
AD7328 to ADSP-21xx.............................................................. 32
AD7328 to ADSP-BF53x ........................................................... 32
Applications Information .............................................................. 33
Layout and Grounding .............................................................. 33
Power Supply Configuration .................................................... 33
Outline Dimensions ....................................................................... 34
Ordering Guide .......................................................................... 34
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
Rev. C | Page 2 of 36
