EVAL-AD7321CB AD [Analog Devices], EVAL-AD7321CB Datasheet - Page 2

• Manufacturer Part Number: EVAL-AD7321CB
• Description: 500 kSPS, 2-Channel, Software-Selectable, True Bipolar Input, 12-Bit Plus Sign ADC
• Manufacturer: AD [Analog Devices]

AD7321
TABLE OF CONTENTS
Features .............................................................................................. 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 8
Pin Configuration and Function Descriptions............................. 9
Typical Performance Characteristics ........................................... 10
Terminology .................................................................................... 14
Theory of Operation ...................................................................... 16
Registers ........................................................................................... 22
REVISION HISTORY
1/06—Revision 0: Initial Version
Timing Specifications .................................................................. 7
ESD Caution.................................................................................. 8
Circuit Information.................................................................... 16
Converter Operation.................................................................. 16
Analog Input Structure.............................................................. 17
Typical Connection Diagram ................................................... 19
Analog Input ............................................................................... 19
Driver Amplifier Choice............................................................ 21
Rev. 0 | Page 2 of 36
Sequencer Operation ..................................................................... 26
Modes of Operation ....................................................................... 28
Serial Interface ................................................................................ 31
Microprocessor Interfacing........................................................... 32
Application Hints ........................................................................... 33
Outline Dimensions ....................................................................... 34
Addressing Registers.................................................................. 22
Control Register ......................................................................... 23
Range Register ............................................................................ 25
Reference ..................................................................................... 27
V
Normal Mode.............................................................................. 28
Full Shutdown Mode.................................................................. 28
Auto Shutdown Mode................................................................ 29
Autostandby Mode..................................................................... 29
Power vs. Throughput Rate....................................................... 30
AD7321 to ADSP-21xx.............................................................. 32
AD7321 to ADSP-BF53x ........................................................... 32
Layout and Grounding .............................................................. 33
Ordering Guide .......................................................................... 34
DRIVE
............................................................................................ 27