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AD9640 Datasheet(PDF) 2 Page - Analog Devices

Part No. AD9640
Description  14-Bit, 80/105/125/150 MSPS, 1.8 V Dual Analog-to-Digital Converter
Download  41 Pages
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Maker  AD [Analog Devices]
Homepage  http://www.analog.com
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AD9640 Datasheet(HTML) 2 Page - Analog Devices

 
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AD9640
Preliminary Technical Data
Rev. PrD | Page 2 of 41
TABLE OF CONTENTS
General Description ......................................................................... 4
Product Highlights ....................................................................... 4
Specifications..................................................................................... 5
ADC DC Specifications ............................................................... 5
ADC AC Specifications ............................................................... 6
Digital specifications.................................................................... 7
switching specifications ............................................................... 8
Absolute Maximum Ratings............................................................ 9
Thermal Characteristics .............................................................. 9
ESD Caution.................................................................................. 9
Pin Configuration and Function Descriptions........................... 10
Equivalent circuits .......................................................................... 13
Typical Performance Characteristics ........................................... 14
Timing Diagrams............................................................................ 15
Terminology .................................................................................... 16
Theory of Operation ...................................................................... 17
ADC Architecture ...................................................................... 17
Analog Input Considerations.................................................... 17
Voltage Reference ....................................................................... 19
Clock Input Considerations ...................................................... 20
Power Dissipation and Standby Mode..................................... 22
Digital Outputs ........................................................................... 22
Timing.......................................................................................... 23
ADC OVERRANGE and GaIN control ...................................... 24
Fast detect overview ................................................................... 24
ADC Fast Magnitude ................................................................. 24
ADC overrange (OVR).............................................................. 25
Gain Switching............................................................................ 25
SIGNAL Monitor............................................................................ 27
Peak Detector Mode (Mode Bits 01) ....................................... 27
RMS/MS Magnitude Mode (Mode Bits 00)............................ 27
Threshold Crossing Mode (Mode Bits 1x).............................. 28
Additional Control Bits ............................................................. 28
DC Correction ............................................................................ 29
Signal monitor SPORT OUTPUT............................................ 29
Built-In Self-Test (BIST) and Output test ................................... 30
Built in self test (BIST)............................................................... 30
output test modes ....................................................................... 30
Channel/Chip Synchronization.................................................... 31
Serial Port Interface (SPI).............................................................. 32
Configuration Using the SPI..................................................... 32
Hardware Interface..................................................................... 32
Configuration WITHOUT the SPI.......................................... 33
Memory Map .............................................................................. 33
SPI Accessible Features.............................................................. 33
External memory MaP................................................................... 35
memory map register description............................................ 38
Applications..................................................................................... 39
Design Guidelines ...................................................................... 39
AD9640 Evaluation Board and Software..................................... 40
Outline Dimensions ....................................................................... 41
Ordering Guide .......................................................................... 41


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