AD9257 Analog Devices, AD9257 Datasheet - Page 2

• Manufacturer Part Number: AD9257
• Description: Octal, 14-Bit, 40/65 MSPS Serial LVDS 1.8 V A/D Converter
• Manufacturer: Analog Devices

AD9257
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Table of Contents .............................................................................. 2
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 8
Pin Configuration and Function Descriptions ............................. 9
Typical Performance Characteristics ........................................... 11
Equivalent Circuits ......................................................................... 17
Theory of Operation ...................................................................... 18
REVISION HISTORY
10/11—Revision 0: Initial Version
DC Specifications ......................................................................... 3
AC Specifications .......................................................................... 4
Digital Specifications ................................................................... 5
Switching Specifications .............................................................. 6
Timing Specifications .................................................................. 6
Thermal Characteristics .............................................................. 8
ESD Caution .................................................................................. 8
AD9257-65 .................................................................................. 11
AD9257-40 .................................................................................. 14
Analog Input Considerations .................................................... 18
Voltage Reference ....................................................................... 19
Rev. 0 | Page 2 of 40
Built-In Output Test Modes .......................................................... 27
Serial Port Interface (SPI) .............................................................. 28
Memory Map .................................................................................. 30
Applications Information .............................................................. 36
Outline Dimensions ....................................................................... 37
Clock Input Considerations ...................................................... 20
Power Dissipation and Power-Down Mode ........................... 22
Digital Outputs and Timing ..................................................... 23
Output Test Modes ..................................................................... 27
Configuration Using the SPI ..................................................... 28
Hardware Interface ..................................................................... 29
Configuration Without the SPI ................................................ 29
SPI Accessible Features .............................................................. 29
Reading the Memory Map Register Table ............................... 30
Memory Map Register Table ..................................................... 31
Memory Map Register Descriptions ........................................ 34
Design Guidelines ...................................................................... 36
Power and Ground Recommendations ................................... 36
Exposed Pad Thermal Heat Slug Recommendations ............ 36
VCM ............................................................................................. 36
Reference Decoupling ................................................................ 36
SPI Port ........................................................................................ 36
Ordering Guide .......................................................................... 37
Data Sheet