AD8158

Rev. B | Page 2 of 36

TABLE OF CONTENTS

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

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

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

General Description ......................................................................... 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 ........................................... 10

Theory of Operation ...................................................................... 16

The Switch (Mux/Demux/Unicast/Bicast/Loopback)........... 17

Receivers ...................................................................................... 19

Loss of Signal (LOS)................................................................... 21

Transmitters ................................................................................ 22

AD8158 Power Consumption .................................................. 23

I2C Control Interface...................................................................... 25

Serial Interface General Functionality..................................... 25

I2C Interface Data Transfers: Data Write ................................ 25

I2C Interface Data Transfers: Data Read ................................. 26

Applications Information .............................................................. 27

Output Compliance ................................................................... 28

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

DC-Coupled Outputs ................................................................ 29

Supply Sequencing ..................................................................... 31

Reset ............................................................................................. 31

Single Supply vs. Multiple Supply Operation ......................... 31

Printed Circuit Board (PCB) Layout Guidelines ................... 32

Register Map ................................................................................... 34

Outline Dimensions ....................................................................... 36

Ordering Guide .......................................................................... 36

REVISION HISTORY

12/09—Rev. A: Rev. B

Changes to LOS to Output Squelch Parameter (Table 1)............ 3

Added Endnote 1 to Table 2 ............................................................ 5

Added Speed Select (SEL4G) to Table 6 ...................................... 17

Changes to Loss of Signal (LOS) section..................................... 21

Deleted Table 15.............................................................................. 21

Changes to Serial Interface General Functionality Section ...... 25

Added Reset Section....................................................................... 31

Changes to Table 22........................................................................ 34

9/09—Rev. 0: Rev. A

Reorganized Layout............................................................Universal

Changes to Specifications Section .................................................. 3

Changes to Table 2............................................................................ 5

Changes to Table 3............................................................................ 6

Changes to Table 4............................................................................ 7

Changes to Theory of Operation Section.................................... 16

Added Table 15; Renumbered Sequentially ................................ 21

Changes to Applications Information Section............................ 27

Changes to Table 23........................................................................ 34

6/08—Revision 0: Initial Version