AD1839A

Rev. B | Page 2 of 24

TABLE OF CONTENTS

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

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

Timing Specifications....................................................................... 5

Absolute Maximum Ratings............................................................ 7

Temperature Range ...................................................................... 7

ESD Caution.................................................................................. 7

Pin Configuration and Function Descriptions............................. 8

Typical Performance Characteristics ............................................. 9

Terminology .................................................................................... 11

Functional Overview...................................................................... 12

ADCs............................................................................................ 12

DACs ............................................................................................ 12

DAC and ADC Coding.............................................................. 12

AD1839A Clocking Scheme ..................................................... 12

RESET and Power-Down .......................................................... 13

Power Supply and Voltage Reference....................................... 13

Serial Control Port ..................................................................... 13

Serial Data Ports—Data Format............................................... 14

Packed Modes ............................................................................. 14

Auxiliary Time Division Multiplexing (TDM) Mode ........... 14

Control/Status Registers ............................................................ 19

Cascade Mode............................................................................. 22

Outline Dimensions ....................................................................... 24

Ordering Guide .......................................................................... 24

REVISION HISTORY

5/04—Data Sheet Changed from Rev. A to Rev. B

Updated FormatUniversal

Changes to Data Sheet Title1

2/04—Data Sheet Changed from Rev. 0 to Rev. A

Changes to Ordering Guide ............................................................. 6

Deleted Clock Signals Section ....................................................... 11

Added AD1835A Clocking Scheme Section................................ 11

Added Table II and Table III and renumbered following tables 11

Changes to Auxiliary (TDM Mode) Section................................ 13

Changes to Figure 5......................................................................... 14

Changes to Figure 6......................................................................... 14

Added Figures 7a and 8a................................................................. 15

Renamed Figure 7 and Figure 8 to Figure 7b and Figure 8b ..... 15

Changes to Figure 9......................................................................... 15

Changes to Table VIII ..................................................................... 21

Updated Outline Dimensions ........................................................ 24