Datasheet

AD7298-1
Rev. A | Page 2 of 24
TABLE OF CONTENTS
Features .............................................................................................. 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Timing Specifications .................................................................. 5
Absolute Maximum Ratings ............................................................ 6
Thermal Resistance ...................................................................... 6
ESD Caution .................................................................................. 6
Pin Configuration and Function Description .............................. 7
Typical Performance Characteristics ............................................. 9
Terminology .................................................................................... 12
Circuit Information ........................................................................ 13
Converter Operation .................................................................. 13
Analog Input ............................................................................... 13
V
DRIVE
............................................................................................ 14
The Internal or External Reference .......................................... 14
Control Register .............................................................................. 15
Modes of Operation ....................................................................... 16
Traditional Multichannel Mode of Operation ........................ 16
Repeat Operation ....................................................................... 17
Power-Down Modes .................................................................. 18
Powering Up the AD7298-1 ...................................................... 19
Reset ............................................................................................. 19
Serial Interface ................................................................................ 20
Layout and Configuration ............................................................. 21
Outline Dimensions ....................................................................... 22
Ordering Guide .......................................................................... 22
REVISION HISTORY
1/11—Rev. 0 to Rev. A
Removed Input Impedance Parameter .......................................... 3
Added Input Capacitance Parameter of 8 pF ................................ 3
Changes to Figure 10 ...................................................................... 10
Changed C1 Value to 8 pF in Analog Input Section
.................. 13
Changes to Figure 22 ...................................................................... 14
10/10—Revision 0: Initial Version