AD8155

Data Sheet

Rev. A | Page 2 of 35

TABLE OF CONTENTS

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

 

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

 

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

 

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

 

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

 

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

 

I2C Timing Specifications............................................................ 5

 

Absolute Maximum Ratings ........................................................... 6

 

ESD Caution.................................................................................. 6

 

Pin Configuration and Function Descriptions ............................ 7

 

Typical Performance Characteristics............................................. 9

 

Theory of Operation ...................................................................... 15

 

The Switch (Mux/Demux/Unicast/Bicast/Loopback) .......... 16

 

Receivers ...................................................................................... 18

 

Loss of Signal (LOS)................................................................... 20

 

Transmitters................................................................................ 21

 

AD8155 Power Consumption .................................................. 22

 

I2C Control Interface ..................................................................... 24

 

Serial Interface General Functionality .................................... 24

 

I2C Interface Data Transfers: Data Write ............................... 24

 

I2C Interface Data Transfers: Data Read................................. 25

 

Applications Information ............................................................. 26

 

Output Compliance ................................................................... 27

 

Signal Levels and Common-Mode Shift for AC-Coupled and

DC-Coupled Outputs ................................................................ 28

 

Supply Sequencing ..................................................................... 30

 

Single Supply vs. Multiple Supply Operation......................... 30

 

Initialization Sequence for Low Power and LOS_INT

Operation .................................................................................... 30

 

Printed Circuit Board (PCB) Layout Guidelines................... 31

 

Register Map ................................................................................... 33

 

Outline Dimensions....................................................................... 35

 

Ordering Guide .......................................................................... 35

 

REVISION HISTORY

3/2021—Rev. 0 to Rev. A

Changes to Figure 3 and Table 4 .................................................... 9

Updated Outline Dimensions....................................................... 35

Changes to Ordering Guide.......................................................... 35

7/2009—Revision 0: Initial Version