Datasheet

AD9258
Rev. A | Page 2 of 44
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
General Description ......................................................................... 3
Specifications ..................................................................................... 4
ADC DC Specifications ................................................................. 4
ADC AC Specifications ................................................................. 6
Digital Specifications ................................................................... 7
Switching Specifications ................................................................ 9
Timing Specifications ................................................................ 10
Absolute Maximum Ratings .......................................................... 12
Thermal Characteristics ............................................................ 12
ESD Caution ................................................................................ 12
Pin Configurations and Function Descriptions ......................... 13
Typical Performance Characteristics ........................................... 17
Equivalent Circuits ......................................................................... 25
Theory of Operation ...................................................................... 26
ADC Architecture ...................................................................... 26
Analog Input Considerations .................................................... 26
Voltage Reference ....................................................................... 29
Clock Input Considerations ...................................................... 30
Channel/Chip Synchronization ................................................ 31
Power Dissipation and Standby Mode .................................... 32
Digital Outputs ........................................................................... 32
Timing ......................................................................................... 33
Built-In Self-Test (BIST) and Output Test .................................. 34
Built-In Self-Test (BIST) ............................................................ 34
Output Test Modes ..................................................................... 34
Serial Port Interface (SPI) .............................................................. 35
Configuration Using the SPI ..................................................... 35
Hardware Interface ..................................................................... 36
Configuration Without the SPI ................................................ 36
SPI Accessible Features .............................................................. 36
Memory Map .................................................................................. 37
Reading the Memory Map Register Table ............................... 37
Memory Map Register Table ..................................................... 38
Memory Map Register Descriptions ........................................ 40
Applications Information .............................................................. 41
Design Guidelines ...................................................................... 41
Outline Dimensions ....................................................................... 42
Ordering Guide .......................................................................... 42
REVISION HISTORY
9/09—Rev. 0 to Rev. A
Changes to Features List .................................................................. 1
Changes to Specifications Section .................................................. 4
Changes to Table 5 ............................................................................ 9
Changes to Typical Performance Characteristics Section ......... 17
5/09—Revision 0: Initial Version