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 t
CLH
Comments, Table 7 ............................................... 6
Changes to Serial Control Port Section ....................................... 13
7/11—Rev. B to Rev. C
Deleted References to I
2
C ............................................. Throughout
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