ADL5521

Data Sheet

Rev. C | Page 2 of 24

TABLE OF CONTENTS

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

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

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

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

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

AC Specifications.......................................................................... 3

DC Specifications ......................................................................... 4

De-Embedded S-Parameters, VPOS = 3 V to 5 V, RFIN =

Port 1, VPOS = Port 2, RFOUT = Port 3 .................................. 4

Absolute Maximum Ratings............................................................ 5

ESD Caution.................................................................................. 5

Pin Configuration and Function Descriptions............................. 6

Typical Performance Characteristics ............................................. 7

900 MHz, VPOS = 5 V................................................................. 7

1950 MHz, VPOS = 5 V .............................................................. 8

2600 MHz, VPOS = 5 V .............................................................. 9

3500 MHz, VPOS = 5 V ............................................................ 10

900 MHz, VPOS = 3 V .............................................................. 11

1950 MHz, VPOS = 3 V ............................................................ 12

2600 MHz, VPOS = 3 V ............................................................ 13

3500 MHz, VPOS = 3 V ............................................................ 14

DC Characteristics ..................................................................... 15

Basic Connections.......................................................................... 16

Evaluation Board ............................................................................ 17

Soldering Information and Recommended PCB Land

Pattern.......................................................................................... 17

Tuning the ADL5521 for Optimal Noise Figure ........................ 18

Tuning S22................................................................................... 18

Tuning the LNA Input for Optimal Gain................................ 19

Tuning the LNA Input for Optimal Noise Figure.................. 19

S11 of the LNA with S22 Matched ........................................... 20

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

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

REVISION HISTORY

8/2017—Rev. B to Rev. C

Changed CP-8-2 to CP-8-13 ........................................ Throughout

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

Changes to Ordering Guide .......................................................... 21

11/2013—Rev. A to Rev. B

Added Figure 52, Renumbered Sequentially .............................. 15

9/2009—Rev. 0 to Rev. A

Updated Maximum Junction Temperature Unit (Table 4) ......... 5

10/2008—Revision 0: Initial Version