AD9276 Analog Devices, AD9276 Datasheet - Page 2

• Manufacturer Part Number: AD9276
• Description: Octal LNA/VGA/AAF/12-Bit ADC and CW I/Q Demodulator
• Manufacturer: Analog Devices

Specifications of AD9276

• Resolution (bits): 12bit
• # Chan: 8
• Sample Rate: 80MSPS
• Interface: LVDS,Ser
• Analog Input Type: SE-Uni
• Ain Range: 2 V p-p
• Adc Architecture: n/a
• Pkg Type: QFP

AD9276
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Product Highlights ........................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
General Description ......................................................................... 3
Specifications ..................................................................................... 4
Absolute Maximum Ratings .......................................................... 10
Pin Configuration and Function Descriptions ........................... 11
Typical Performance Characteristics ........................................... 14
Equivalent Circuits ......................................................................... 19
Theory of Operation ...................................................................... 21
REVISION HISTORY
7/09—Revision 0: Initial Version
AC Specifications .......................................................................... 4
Digital Specifications ................................................................... 7
Switching Specifications .............................................................. 8
ADC Timing Diagrams ............................................................... 9
Thermal Impedance ................................................................... 10
ESD Caution ................................................................................ 10
TGC Mode ................................................................................... 14
CW Doppler Mode ..................................................................... 17
Rev. 0 | Page 2 of 48
Serial Port Interface (SPI) .............................................................. 39
Memory Map .................................................................................. 41
Applications Information .............................................................. 45
Outline Dimensions ....................................................................... 46
Ultrasound .................................................................................. 21
Channel Overview ..................................................................... 22
Input Overdrive .......................................................................... 25
CW Doppler Operation ............................................................. 25
TGC Operation ........................................................................... 29
ADC ............................................................................................. 33
Clock Input Considerations ...................................................... 33
Digital Outputs and Timing ..................................................... 35
Hardware Interface ..................................................................... 40
Reading the Memory Map Table .............................................. 41
Reserved Locations .................................................................... 41
Default Values ............................................................................. 41
Logic Levels ................................................................................. 41
Power and Ground Recommendations ................................... 45
Exposed Paddle Thermal Heat Slug Recommendations ...... 45
Ordering Guide .......................................................................... 46