Datasheet

AD737 Data Sheet
Rev. I | Page 2 of 24
TABLE OF CONTENTS
Features .............................................................................................. 1
Functional Block Diagram .............................................................. 1
General Description ......................................................................... 1
Product Highlights ........................................................................... 1
Revision History ............................................................................... 2
Specifications ..................................................................................... 3
Absolute Maximum Ratings ............................................................ 6
Thermal Resistance ...................................................................... 6
ESD Caution .................................................................................. 6
Pin Configurations and Function Descriptions ........................... 7
Typical Performance Characteristics ............................................. 8
Theory of Operation ...................................................................... 12
Types of AC Measurement ........................................................ 12
DC Error, Output Ripple, and Averaging Error ..................... 13
AC Measurement Accuracy and Crest Factor ........................ 13
Calculating Settling Time .......................................................... 13
Applications Information .............................................................. 14
RMS Measurement—Choosing an Optimum Value for C
AV
... 14
Rapid Settling Times via the Average Responding
Connection .................................................................................. 14
Selecting Practical Values for Capacitors ................................ 14
Scaling Input and Output Voltages .......................................... 14
AD737 Evaluation Board ............................................................... 18
Outline Dimensions ....................................................................... 20
Ordering Guide .......................................................................... 21
REVISION HISTORY
6/12—Rev. H to Rev. I
Removed CERDIP Package Throughout ........................ Universal
Changes to Features, General Description, Product Highlights
Sections and Figure 1 ....................................................................... 1
Changes to Table 1 ............................................................................ 3
Changes to Table 2 ............................................................................ 6
Deleted Figure 3, Renumbered Sequentially ................................. 7
Changes to Figure 5, Figure 7, and Figure 8 Captions ................. 8
Changes to Figure 12 Caption ......................................................... 9
Changes to Figure 19 Caption ....................................................... 10
Changes to Figure 23 ...................................................................... 12
Changes to Figure 26 ...................................................................... 14
Changes to Scaling the Output Voltage Section ......................... 15
Changes to Figure 27 ...................................................................... 16
Deleted Table 7 ................................................................................ 19
Updated Outline Dimensions ....................................................... 20
Changes to Ordering Guide .......................................................... 21
10/08—Rev. G to Rev. H
Added Selectable Average or RMS Conversion Section and
Figure 27 .......................................................................................... 14
Updated Outline Dimensions ....................................................... 20
Changes to Ordering Guide .......................................................... 22
12/06—Rev. F to Rev. G
Changes to Specifications ................................................................ 3
Reorganized Typical Performance Characteristics ...................... 8
Changes to Figure 21 ...................................................................... 11
Reorganized Theory of Operation Section ................................. 12
Reorganized Applications Section ................................................ 14
Added Scaling Input and Output Voltages Section .................... 14
Deleted Application Circuits Heading ......................................... 16
Changes to Figure 28 ...................................................................... 16
Added AD737 Evaluation Board Section .................................... 18
Updated Outline Dimensions ....................................................... 20
Changes to Ordering Guide .......................................................... 21
1/05—Rev. E to Rev. F
Updated Format .................................................................. Universal
Added Functional Block Diagram .................................................. 1
Changes to General Description Section ....................................... 1
Changes to Pin Configurations and Function
Descriptions Section ......................................................................... 6
Changes to Typical Performance Characteristics Section ........... 7
Changes to Table 4 .......................................................................... 11
Change to Figure 24 ....................................................................... 12
Change to Figure 27 ....................................................................... 15
Changes to Ordering Guide .......................................................... 18
6/03—Rev. D to Rev. E
Added AD737JR-5 .............................................................. Universal
Changes to Features .......................................................................... 1
Changes to General Description ..................................................... 1
Changes to Specifications ................................................................. 2
Changes to Absolute Maximum Ratings ........................................ 4
Changes to Ordering Guide ............................................................. 4
Added TPCs 16 through 19 ............................................................. 6
Changes to Figures 1 and 2 .............................................................. 8
Changes to Figure 8 ........................................................................ 11
Updated Outline Dimensions ....................................................... 12
12/02—Rev. C to Rev. D
Changes to Functional Block Diagram ........................................... 1
Changes to Pin Configuration ......................................................... 4
Figure 1 Replaced .............................................................................. 8
Changes to Figure 2 ........................................................................... 8
Figure 5 Replaced ........................................................................... 10
Changes to Application Circuits Figures 4, 6–8 ......................... 10
Outline Dimensions Updated ....................................................... 12
12/99—Rev. B to Rev. C