AD7324 Analog Devices, AD7324 Datasheet - Page 2

• Manufacturer Part Number: AD7324
• Description: Software Selectable True Bipolar Input, 4-Channel, 12-Bit Plus Sign A/D Converter
• Manufacturer: Analog Devices

Specifications of AD7324

• Resolution (bits): 13bit
• # Chan: 4
• 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) x 4,Uni 10V
• Adc Architecture: SAR
• Pkg Type: SOP

AD7324
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 Description .............................. 9
Typical Performance Characteristics ........................................... 10
Terminology .................................................................................... 14
Theory of Operation ...................................................................... 16
Registers ........................................................................................... 22
REVISION HISTORY
1/10—Rev. 0 to Rev. A
Changes to Table 2 ............................................................................ 5
Change to Endnote 1 in Table 4 ...................................................... 8
Added Power Supply Configuration Section, Figure 54,
and Table 16 ..................................................................................... 33
12/05—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
Addressing Registers .................................................................. 22
Rev. A | Page 2 of 36
Sequencer Operation ..................................................................... 25
Modes of Operation ....................................................................... 28
Serial Interface ................................................................................ 31
Microprocessor Interfacing ........................................................... 32
Application Hints ........................................................................... 33
Outline Dimensions ....................................................................... 34
Control Register ......................................................................... 22
Sequence Register ....................................................................... 23
Range Register ............................................................................ 24
Reference ..................................................................................... 27
V
Normal Mode .............................................................................. 28
Full Shutdown Mode .................................................................. 28
Autoshutdown Mode ................................................................. 29
Autostandby Mode ..................................................................... 29
Power vs. Throughput Rate ....................................................... 30
AD7324 to ADSP-218x .............................................................. 32
AD7324 to ADSP-BF53x ........................................................... 32
Layout and Grounding .............................................................. 33
Power Supply Configuration .................................................... 33
Ordering Guide .......................................................................... 34
DRIVE
............................................................................................ 27