AD9481 Analog Devices, AD9481 Datasheet - Page 2

• Manufacturer Part Number: AD9481
• Description: 8-Bit, 250 MSPS, 3.3 V A/D Converter
• Manufacturer: Analog Devices

Specifications of AD9481

• Resolution (bits): 8bit
• # Chan: 1
• Sample Rate: 250MSPS
• Interface: Par
• Analog Input Type: Diff-Uni
• Ain Range: (Vref) p-p,1 V p-p
• Adc Architecture: Pipelined
• Pkg Type: QFP

AD9481
TABLE OF CONTENTS
DC Specifications ............................................................................. 3
Digital Specifications........................................................................ 4
AC Specifications.............................................................................. 5
Switching Specifications .................................................................. 6
Absolute Maximum Ratings............................................................ 8
Pin Configuration and Function Descriptions............................. 9
Terminology .................................................................................... 10
Typical Performance Characteristics ........................................... 12
Equivalent Circuits ......................................................................... 16
Applications..................................................................................... 17
REVISION HISTORY
10/04—Revision 0: Initial Version
Timing Diagram ........................................................................... 7
Explanation of Test Levels........................................................... 8
ESD Caution.................................................................................. 8
Analog Inputs.............................................................................. 17
Voltage Reference ....................................................................... 17
Clocking the AD9481................................................................. 19
DS Inputs ..................................................................................... 19
Digital Outputs ........................................................................... 20
Interleaving Two AD9481s........................................................ 20
Rev. 0 | Page 2 of 28
AD9481 Evaluation Board ............................................................ 21
Evaluation Board Bill of Materials (BOM) ................................. 23
PCB Schematics .............................................................................. 24
PCB Layers ...................................................................................... 26
Outline Dimensions ....................................................................... 28
Data Clock Out........................................................................... 20
Power-Down Input..................................................................... 20
Power Connector........................................................................ 21
Analog Inputs.............................................................................. 21
Gain.............................................................................................. 21
Optional Operational Amplifier............................................... 21
Clock ............................................................................................ 21
Optional Clock Buffer ............................................................... 21
DS ................................................................................................. 21
Optional XTAL ........................................................................... 22
Voltage Reference ....................................................................... 22
Data Outputs............................................................................... 22
Ordering Guide .......................................................................... 28