AD9277BSVZ Analog Devices Inc, AD9277BSVZ Datasheet - Page 2

• Manufacturer Part Number: AD9277BSVZ
• Description: IC ADC 14BIT LNA/VGA/AAF 100TQFP
• Manufacturer: Analog Devices Inc
• Type: Ultrasound Receiversr

Specifications of AD9277BSVZ

• Resolution (bits): 14 b
• Data Interface: Serial, SPI™
• Sampling Rate (per Second): 10M ~ 50M
• Voltage Supply Source: Analog and Digital
• Voltage - Supply: 1.8V, 3V
• Operating Temperature: -40°C ~ 85°C
• Mounting Type: Surface Mount
• Package / Case: 100-TQFP Exposed Pad, 100-eTQFP, 100-HTQFP, 100-VQFP
• Sampling Rate: 50MSPS
• Input Channel Type: Single Ended
• Supply Voltage Range - Digital: 1.7V To 1.9V
• Supply Current: 365mA
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant, Lead free / RoHS Compliant

AD9277
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