AD6657A
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Product Highlights ........................................................................... 3
Specifications..................................................................................... 4
DC Specifications ......................................................................... 4
AC Specifications.......................................................................... 5
Digital Specifications ................................................................... 7
Switching Specifications .............................................................. 9
Timing Specifications ................................................................ 10
Absolute Maximum Ratings ..................................................... 11
Thermal Characteristics ............................................................ 11
ESD Caution................................................................................ 11
Pin Configuration and Function Descriptions........................... 12
Typical Performance Characteristics ........................................... 14
Equivalent Circuits ......................................................................... 18
Theory of Operation ...................................................................... 19
ADC Architecture ...................................................................... 19
Analog Input Considerations.................................................... 19
Clock Input Considerations ...................................................... 21
Power Dissipation and Standby Mode..................................... 23
REVISION HISTORY
2/14—Rev. 0 to Rev. A
Changed DCO to Data Skew (tSKEW) Parameter Unit from ns to
ps, Table 4 .......................................................................................... 9
10/11—Revision 0: Initial Version
Data Sheet
Channel/Chip Synchronization................................................ 23
Digital Outputs ........................................................................... 24
Timing.......................................................................................... 24
Noise Shaping Requantizer ........................................................... 25
22% BW Mode (>40 MHz at 184.32 MSPS) ........................... 25
33% BW Mode (>60 MHz at 184.32 MSPS) ........................... 26
36% BW Mode (>65 MHz at 184.32 MSPS) ........................... 27
MODE Pin................................................................................... 27
Built-In Self Test (BIST) and Output Test ................................... 28
BIST.............................................................................................. 28
Output Test Modes..................................................................... 28
Serial Port Interface (SPI).............................................................. 29
Configuration Using the SPI..................................................... 29
Hardware Interface..................................................................... 29
Memory Map .................................................................................. 30
Reading the Memory Map Register Table............................... 30
Memory Map Register Table..................................................... 31
Memory Map Register Descriptions........................................ 33
Applications Information .............................................................. 35
Design Guidelines ...................................................................... 35
Packaging and Ordering Information ......................................... 36
Outline Dimensions ................................................................... 36
Ordering Guide .......................................................................... 36
Rev. A | Page 2 of 36