AD9643 Analog Devices, AD9643 Datasheet - Page 2

• Manufacturer Part Number: AD9643
• Description: 14-Bit, 170/210/250 MSPS, 1.8 V Dual Analog-to-Digital Converter (ADC)
• Manufacturer: Analog Devices

Specifications of AD9643

• Resolution (bits): 14bit
• # Chan: 2
• Sample Rate: 250MSPS
• Interface: LVDS,Par
• Analog Input Type: Diff-Bip
• Ain Range: 1.75 V p-p
• Adc Architecture: Pipelined
• Pkg Type: CSP

AD9643
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings.......................................................... 11
Pin Configurations and Function Descriptions ......................... 12
Typical Performance Characteristics ........................................... 16
Equivalent Circuits ......................................................................... 22
Theory of Operation ...................................................................... 23
REVISION HISTORY
9/11—Rev. A to Rev. B
Changes to Table 1............................................................................ 3
Changes to Table 2, .......................................................................... 4
Changes to Table 3............................................................................ 6
Changes to Table 4............................................................................ 8
Changes to Table 8.......................................................................... 12
Changes to Table 9.......................................................................... 14
Changes to Typical Performance Characterisitics Section........ 16
Added ADC Overrange (OR) Section ......................................... 27
Changes to Channel/Chip Synchronization Section ................. 28
Changes to Reading the Memory Map Register Table
Section.............................................................................................. 31
Changes to Table 14........................................................................ 32
Changes to Memory Map Resgister Description Section ......... 34
5/11—Rev. 0 to Rev. A
Changes to Table 2, Worst Other (Harmonic or Spur)
Max Values......................................................................................... 4
4/11—Revision 0: Initial Version
ADC DC Specifications ............................................................... 3
ADC AC Specifications ............................................................... 4
Digital Specifications ................................................................... 6
Switching Specifications .............................................................. 8
Timing Specifications .................................................................. 9
Thermal Characteristics ............................................................ 11
ESD Caution................................................................................ 11
ADC Architecture ...................................................................... 23
Rev. B | Page 2 of 36
Channel/Chip Synchronization.................................................... 28
Serial Port Interface (SPI).............................................................. 29
Memory Map .................................................................................. 31
Applications Information .............................................................. 35
Outline Dimensions ....................................................................... 36
Analog Input Considerations ................................................... 23
Voltage Reference ....................................................................... 25
Clock Input Considerations...................................................... 25
Power Dissipation and Standby Mode .................................... 26
Digital Outputs ........................................................................... 27
ADC Overrange (OR)................................................................ 27
Configuration Using the SPI..................................................... 29
Hardware Interface..................................................................... 29
SPI Accessible Features.............................................................. 30
Reading the Memory Map Register Table............................... 31
Memory Map Register Table..................................................... 32
Memory Map Register Description ......................................... 34
Design Guidelines ...................................................................... 35
Ordering Guide .......................................................................... 36
Data Sheet