AD9268-125EBZ Analog Devices Inc, AD9268-125EBZ Datasheet - Page 2
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AD9268-125EBZ
Manufacturer Part Number
AD9268-125EBZ
Description
Dual 16 Bit 125 High SNR ADC
Manufacturer
Analog Devices Inc
Datasheet
1.AD9268BCPZ-80.pdf
(44 pages)
Specifications of AD9268-125EBZ
Design Resources
Powering AD9268 with ADP2114 for Increased Efficiency (CN0137)
Number Of Adc's
2
Number Of Bits
16
Sampling Rate (per Second)
125M
Data Interface
Serial, SPI™
Inputs Per Adc
1 Differential
Input Range
1 ~ 2 Vpp
Power (typ) @ Conditions
750mW @ 125MSPS
Voltage Supply Source
Analog and Digital
Operating Temperature
-40°C ~ 85°C
Utilized Ic / Part
AD9268
Lead Free Status / RoHS Status
Lead free / RoHS Compliant
AD9268
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
General Description ......................................................................... 3
Specifications ..................................................................................... 4
Absolute Maximum Ratings .......................................................... 12
Pin Configurations and Function Descriptions ......................... 13
Typical Performance Characteristics ........................................... 17
Equivalent Circuits ......................................................................... 25
Theory of Operation ...................................................................... 26
REVISION HISTORY
9/09—Rev. 0 to Rev. A
Changes to Features List .................................................................. 1
Changes to Specifications Section .................................................. 4
Changes to Table 5 .......................................................................... 10
Changes to Typical Performance Characteristics Section ......... 17
5/09—Revision 0: Initial Version
ADC DC Specifications ............................................................... 4
ADC AC Specifications ................................................................. 6
Digital Specifications ................................................................... 7
Switching Specifications ................................................................ 9
Timing Specifications ................................................................ 10
Thermal Characteristics ............................................................ 12
ESD Caution ................................................................................ 12
ADC Architecture ...................................................................... 26
Analog Input Considerations .................................................... 26
Voltage Reference ....................................................................... 29
Rev. A | Page 2 of 44
Built-In Self-Test (BIST) and Output Test .................................. 34
Serial Port Interface (SPI) .............................................................. 35
Memory Map .................................................................................. 37
Applications Information .............................................................. 41
Outline Dimensions ....................................................................... 42
Clock Input Considerations ...................................................... 30
Channel/Chip Synchronization ................................................ 31
Power Dissipation and Standby Mode .................................... 32
Digital Outputs ........................................................................... 32
Timing ......................................................................................... 33
Built-In Self-Test (BIST) ............................................................ 34
Output Test Modes ..................................................................... 34
Configuration Using the SPI ..................................................... 35
Hardware Interface ..................................................................... 36
Configuration Without the SPI ................................................ 36
SPI Accessible Features .............................................................. 36
Reading the Memory Map Register Table ............................... 37
Memory Map Register Table ..................................................... 38
Memory Map Register Descriptions ........................................ 40
Design Guidelines ...................................................................... 41
Ordering Guide .......................................................................... 42