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AD1928
(Rev.:RevB)

2 ADC/8 DAC with PLL, 192 kHz, 24-Bit Codec

Analog Devices 

AD1928

TABLE OF CONTENTS

Features .............................................................................................. 1

Analog-to-Digital Converters (ADCs).................................... 13

Applications....................................................................................... 1

Digital-to-Analog Converters (DACs) .................................... 13

General Description ......................................................................... 1

Clock Signals............................................................................... 13

Functional Block Diagram .............................................................. 1

Reset and Power-Down ............................................................. 14

Revision History ............................................................................... 2

Serial Control Port ..................................................................... 14

Specifications..................................................................................... 3

Power Supply and Voltage Reference....................................... 15

Test Conditions............................................................................. 3

Serial Data Ports—Data Format............................................... 15

Analog Performance Specifications ........................................... 3

Crystal Oscillator Specifications................................................. 5

Digital Input/Output Specifications........................................... 5

Power Supply Specifications........................................................ 5

E Digital Filters................................................................................. 6

Timing Specifications .................................................................. 6

Absolute Maximum Ratings............................................................ 8

T Thermal Resistance ...................................................................... 8

ESD Caution.................................................................................. 8

E Pin Configuration and Function Descriptions............................. 9

Typical Performance Characteristics ........................................... 11

Theory of Operation ...................................................................... 13

L REVISION HISTORY

7/11—Rev. A to Rev. B

O Deleted References to I2C ............................................. Throughout

Changes to Table 10, DSDATAx/ASDATAx Pin Descriptions... 9

S 2/11—Rev. 0 to Rev. A

Change to Table 2, Introductory Text ............................................ 4

Change to Table 4, Introductory Text ............................................ 5

Change to Table 7, Introductory Text ............................................ 6

B Changes to Figure 29, Figure 31, and Figure 32 ......................... 30

Changes to Ordering Guide .......................................................... 31

O 4/07—Revision 0: Initial Version

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

Rev. B | Page 2 of 32

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