AD1934

Data Sheet

Rev. D | Page 2 of 29

TABLE OF CONTENTS

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

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

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

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

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

Specifications..................................................................................... 4

Test Conditions............................................................................. 4

Analog Performance Specifications ........................................... 4

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

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

Power Supply Specifications........................................................ 6

Digital Filters................................................................................. 7

Timing Specifications .................................................................. 7

Absolute Maximum Ratings............................................................ 9

Thermal Resistance ...................................................................... 9

ESD Caution.................................................................................. 9

Pin Configuration and Function Descriptions........................... 10

Typical Performance Characteristics ........................................... 12

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

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

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

Reset and Power-Down ............................................................. 13

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 ..................................................................... 17

Control Registers ............................................................................ 21

Definitions................................................................................... 21

PLL and Clock Control Registers............................................. 21

DAC Control Registers .............................................................. 22

Auxiliary TDM Port Control Registers ................................... 24

Additional Modes....................................................................... 24

Application Circuits ....................................................................... 26

Outline Dimensions ....................................................................... 27

Ordering Guide .......................................................................... 27

Automotive Products ................................................................. 27

REVISION HISTORY

2/13—Rev.

C to Rev. D

Changes to Serial Control Port Section ....................................... 13

7/11—Rev. B to Rev. C

Changes to Figure 2 and Table 10, DSDATAx/AUXDATA1 Pin

Descriptions ...................................................................................... 9

1/11—Rev. A to Rev. B

Added Automotive Information.................................. Throughout

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

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

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

Changes to Ordering Guide .......................................................... 26

9/09—Rev. 0 to Rev. A

Change to Title...................................................................................1

Change to Table 11 ......................................................................... 13

Change to Power Supply and Voltage Reference Section.......... 14

Updated Outline Dimensions....................................................... 26

Changes to Ordering Guide .......................................................... 26

8/07—Revision 0: Initial Version