Datasheet

AD7606/AD7606-6/AD7606-4 Data Sheet
Rev. C | Page 2 of 36
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications ....................................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
General Description ......................................................................... 3
Specifications ..................................................................................... 4
Timing Specifications .................................................................. 7
Absolute Maximum Ratings .......................................................... 11
Thermal Resistance .................................................................... 11
ESD Caution ................................................................................ 11
Pin Configurations and Function Descriptions ......................... 12
Typical Performance Characteristics ........................................... 17
Terminology .................................................................................... 21
Theory of Operation ...................................................................... 22
Converter Details........................................................................ 22
Analog Input ............................................................................... 22
ADC Transfer Function ............................................................. 23
Internal/External Reference ...................................................... 24
Typical Connection Diagram ................................................... 25
Power-Down Modes .................................................................. 25
Conversion Control ................................................................... 26
Digital Interface .............................................................................. 27
Parallel Interface (
PAR
/SER/BYTE SEL = 0) .......................... 27
Parallel Byte (
PAR
/SER/BYTE SEL = 1, DB15 = 1) ............... 27
Serial Interface (
PAR
/SER/BYTE SEL = 1) ............................. 27
Reading During Conversion ..................................................... 28
Digital Filter ................................................................................ 29
Layout Guidelines....................................................................... 32
Outline Dimensions ....................................................................... 34
Ordering Guide .......................................................................... 34
REVISION HISTORY
1/12—Rev. B to Rev. C
Changes to Analog Input Ranges Section ................................... 22
10/11—Rev. A to Rev. B
Changes to Input High Voltage (V
INH
) and Input Low Voltage
(V
INL
) Parameters and Endnote 6, Table 2 ..................................... 4
Changes to Table 3 ............................................................................ 7
Changes to Table 4 .......................................................................... 11
Changes to Pin 32 Description, Table 6 ....................................... 13
Changes to Analog Input Clamp Protection Section ................. 22
Changes to Typical Connection Diagram Section ..................... 25
8/10—Rev. 0 to Rev. A
Changes to Note 1, Table 2 .............................................................. 6
5/10—Revision 0: Initial Version