AD8307

Data Sheet

Rev. F | Page 2 of 24

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

Specifications..................................................................................... 3

 

Absolute Maximum Ratings............................................................ 4

 

ESD Caution.................................................................................. 4

 

Pin Configuration and Function Descriptions............................. 5

 

Typical Performance Characteristics ............................................. 6

 

Log Amp Theory .............................................................................. 9

 

Progressive Compression .......................................................... 10

 

Demodulating Log Amps .......................................................... 11

 

Intercept Calibration.................................................................. 12

 

Offset Control ............................................................................. 12

 

Extension of Range..................................................................... 13

 

Interfaces.......................................................................................... 14

 

Enable Interface .......................................................................... 14

 

Input Interface ............................................................................ 14

 

Offset Interface ........................................................................... 15

 

Output Interface ......................................................................... 15

 

Theory of Operation ...................................................................... 17

 

Basic Connections...................................................................... 17

 

Input Matching ........................................................................... 18

 

Narrow-Band Matching ............................................................ 18

 

Slope and Intercept Adjustments ............................................. 19

 

Applications Information .............................................................. 20

 

Buffered Output.......................................................................... 20

 

Four-Pole Filter........................................................................... 20

 

1 μW to 1 kW 50 Ω Power Meter............................................. 21

 

Measurement System with 120 dB Dynamic Range.............. 21

 

Operation at Low Frequencies.................................................. 22

 

Outline Dimensions ....................................................................... 23

 

Ordering Guide .......................................................................... 24

 

REVISION HISTORY

12/2019—Rev. E to Rev. F

Changes to Ordering Guide .......................................................... 24

9/2015—Rev. D to Rev. E

Changes to General Description Section ...................................... 1

Added Table 1; Renumbered Sequentially .................................... 1

7/2008—Rev. C to Rev. D

Deleted DC-Coupled Applications Section ................................ 22

Deleted Operation Above 500 MHz Section .............................. 23

Updated Outline Dimensions ....................................................... 23

10/2006—Rev. B to Rev. C

Updated Format..................................................................Universal

Changes to Table 1............................................................................ 3

Changes to Table 3............................................................................ 5

Changes to Offset Interface ........................................................... 15

Changes to Output Interface ......................................................... 15

Updated captions to Outline Dimensions................................... 24

Changes to Ordering Guide .......................................................... 24

6/2003—Rev. A to Rev. B

Renumbered TPCs and Figures........................................Universal

Changes to Ordering Guide .............................................................3

Changes to Figure 24...................................................................... 17

Deleted Evaluation Board Information ....................................... 18

Updated Outline Dimensions....................................................... 19