Datasheet

AD7329 Data Sheet
Rev. B | Page 2 of 40
TABLE OF CONTENTS
Features .............................................................................................. 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Timing Specifications .................................................................. 7
Absolute Maximum Ratings ............................................................ 8
ESD Caution .................................................................................. 8
Pin Configuration and Function Descriptions ............................. 9
Typical Performance Characteristics ........................................... 11
Terminology .................................................................................... 15
Theory of Operation ...................................................................... 17
Circuit Information .................................................................... 17
Converter Operation .................................................................. 17
Output Coding ............................................................................ 18
Transfer Functions...................................................................... 18
Analog Input Structure .............................................................. 18
Track-and-Hold Section ............................................................ 19
Typical Connection Diagram ................................................... 20
Analog Input ............................................................................... 20
Driver Amplifier Choice ............................................................ 23
Registers ........................................................................................... 25
Addressing Registers .................................................................. 25
Control Register ......................................................................... 26
Sequence Register ....................................................................... 28
Range Registers ........................................................................... 28
Sequencer Operation ..................................................................... 29
Reference ..................................................................................... 31
V
DRIVE
............................................................................................ 31
Temperature Indicator ............................................................... 31
Modes of Operation ....................................................................... 32
Normal Mode (PM1 = PM0 = 0) ............................................. 32
Full Shutdown Mode (PM1 = PM0 = 1) ................................. 32
Autoshutdown Mode (PM1 = 1, PM0 = 0) ............................. 33
Autostandby Mode (PM1 = 0, PM0 =1) ................................. 33
Power vs. Throughput Rate ....................................................... 34
Serial Interface ................................................................................ 35
Microprocessor Interfacing ........................................................... 36
AD7329 to ADSP-21xx .............................................................. 36
AD7329 to ADSP-BF53x ........................................................... 36
Applications Information .............................................................. 37
Layout and Grounding .............................................................. 37
Power Supply Configuration .................................................... 37
Outline Dimensions ....................................................................... 38
Ordering Guide .......................................................................... 38
REVISION HISTORY
1/14—Rev. A to Rev. B
Changes to Circuit Information Section and Table 6 ................ 17
Changes to Addressing Registers Section .................................... 25
Changes to Power Supply Configuration Section ...................... 37
Changes to Ordering Guide .......................................................... 38
2/10—Rev. 0 to Rev. A
Changes to DC Accuracy Parameter, Test Conditions/
Comments, Table 2 ........................................................................... 4
Change to Normal Mode (Operational) I
CC
and I
DRIVE
Parameter and to Power Dissipation Normal Mode
Parameter, Table 2 ............................................................................. 6
Changes to Table 16 and Table 17 ................................................ 36
Added Applications Information Section, Figure 60,
and Table 18 ..................................................................................... 37
Changes to Ordering Guide .......................................................... 38
4/06—Revision 0: Initial Version