ADL5303

Data Sheet

Rev. 0 | Page 2 of 24

TABLE OF CONTENTS

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

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

Simplified 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

Theory of Operation ...................................................................... 10

Basic Concepts............................................................................ 10

Optical Measurements............................................................... 10

Decibel Scaling............................................................................ 10

Bandwidth and Noise Considerations..................................... 10

Chip Enable................................................................................. 11

Using the ADL5303........................................................................ 12

Slope and Intercept Adjustments ............................................. 12

Low Supply Slope and Intercept Adjustment ......................... 15

Changing the Voltage at the Summing Node ............................ 15

Using the Adaptive Bias............................................................. 16

Applications Information .............................................................. 17

Rescaling...................................................................................... 17

Inverting the Slope ..................................................................... 17

Evaluation Board ........................................................................ 18

Shields and Guards..................................................................... 18

Outline Dimensions....................................................................... 21

Ordering Guide .......................................................................... 21

REVISION HISTORY

1/13—Revision 0: Initial Version