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AD1928
TABLE OF CONTENTS
Features..............................................................................................1
Applications.......................................................................................1
General Description.........................................................................1
Functional Block Diagram..............................................................1
Revision History...............................................................................2
Specifications.....................................................................................3
Test Conditions.............................................................................3
Analog Performance Specifications...........................................3
Crystal Oscillator Specifications.................................................5
Digital Input/Output Specifications...........................................5
Power Supply Specifications........................................................5
Digital Filters.................................................................................6
Timing Specifications ..................................................................6
Absolute Maximum Ratings............................................................8
Thermal Resistance......................................................................8
ESD Caution..................................................................................8
Pin Configuration and Function Descriptions.............................9
Typical Performance Characteristics...........................................11
Theory of Operation......................................................................13
REVISION HISTORY
Rev. 0 | Page 2 of 32
Analog-to-Digital Converters (ADCs).................................... 13
Digital-to-Analog Converters (DACs).................................... 13
Clock Signals............................................................................... 13
Reset and Power-Down............................................................. 14
Serial Control Port..................................................................... 14
Power Supply and Voltage Reference....................................... 15
Serial Data Ports—Data Format............................................... 15
Time-Division Multiplexed (TDM) Modes............................ 15
Daisy-Chain Mode..................................................................... 19
Control Registers............................................................................ 24
Definitions................................................................................... 24
PLL and Clock Control Registers............................................. 24
DAC Control Registers.............................................................. 25
ADC Control Registers.............................................................. 27
Additional Modes....................................................................... 29
Application Circuits....................................................................... 30
Outline Dimensions....................................................................... 31
Ordering Guide .......................................................................... 31
4/07—Revision 0: Initial Version