Datasheet

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
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2
C 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
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2
C Control Interface ...................................................................... 25
Serial Interface General Functionality..................................... 25
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2
C Interface Data Transfers: Data Write ................................ 25
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2
C 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