AD7329 Analog Devices, AD7329 Datasheet - Page 2

• Manufacturer Part Number: AD7329
• Description: 1 MSPS , 8-Channel, Software Selectable True Bipolar Input, 12-Bit Plus Sign A/D Converter
• Manufacturer: Analog Devices

Specifications of AD7329

• Resolution (bits): 13bit
• # Chan: 8
• Sample Rate: 1MSPS
• Interface: Ser,SPI
• Analog Input Type: Diff-Bip,Diff-Uni,SE-Uni
• Ain Range: Bip (Vref),Bip (Vref) x 2,Bip (Vref) x 4,Bip 10V,Bip 2.5V,Bip 5.0V,Uni (Vref),Uni 10V
• Adc Architecture: SAR
• Pkg Type: SOP

AD7329
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 ........................................... 11
Terminology .................................................................................... 15
Theory of Operation ...................................................................... 17
Registers ........................................................................................... 25
REVISION HISTORY
2/10—Rev. 0 to Rev. A
Changes to DC Accuracy Parameter, Test Conditions/
Change to Normal Mode (Operational) I
Changes to Table 16 and Table 17 ................................................ 36
Added Applications Information Section, Figure 60,
Changes to Ordering Guide .......................................................... 38
4/06—Revision 0: Initial Version
Timing Specifications .................................................................. 7
ESD Caution .................................................................................. 8
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
Comments, Table 2 ....................................................................... 4
Parameter and to Power Dissipation Normal Mode
Parameter, Table 2 ........................................................................ 6
and Table 18 ................................................................................ 37
CC
and I
DRIVE
Rev. A | Page 2 of 40
Sequencer Operation ..................................................................... 29
Modes of Operation ....................................................................... 32
Serial Interface ................................................................................ 35
Microprocessor Interfacing ........................................................... 36
Applications Information .............................................................. 37
Outline Dimensions ....................................................................... 38
Addressing Registers .................................................................. 25
Control Register ......................................................................... 26
Sequence Register ....................................................................... 28
Range Registers ........................................................................... 28
Reference ..................................................................................... 31
V
Temperature Indicator ............................................................... 31
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
AD7329 to ADSP-21xx .............................................................. 36
AD7329 to ADSP-BF53x ........................................................... 36
Layout and Grounding .............................................................. 37
Power Supply Configuration .................................................... 37
Ordering Guide .......................................................................... 38
DRIVE
............................................................................................ 31