ADN2847 Analog Devices, Inc., ADN2847 Datasheet - Page 2

• Manufacturer Part Number: ADN2847
• Description: 3.3 V Dual-loop 50 Mbps To 3.3 Gbps Laser Diode Driver
• Manufacturer: Analog Devices, Inc.

ADN2847
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Functional Block Diagram .............................................................. 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
Absolute Maximum Ratings............................................................ 5
Die Pad Coordinates ........................................................................ 6
Pin Configurations and Function Descriptions ........................... 7
Theory of Operation ........................................................................ 9
REVISION HISTORY
10/06—Rev. 0 to Rev. A
Updated Format..................................................................Universal
Change to Data Sheet Title.............................................................. 1
Changes to Figure 1.......................................................................... 1
Changes to Specifications ................................................................ 3
Added I
Changes to Laser Diode Interfacing Section............................... 11
Changes to Figure 14...................................................................... 12
Changes to Figure 15...................................................................... 13
Changes to Ordering Guide .......................................................... 15
Timing Diagrams.......................................................................... 4
Thermal Resistance ...................................................................... 5
ESD Caution.................................................................................. 5
Control........................................................................................... 9
Loop Bandwidth Selection .......................................................... 9
BIAS
Section ......................................................................... 10
Rev. A | Page 2 of 16
Outline Dimensions ....................................................................... 14
1/03—Revision 0: Initial Version
Alarms.............................................................................................9
Monitor Currents ....................................................................... 10
Dual MPD DWDM Function (48-Lead LFCSP Only) ......... 10
IDTONE (48-Lead LFCSP Only)............................................. 10
Data and Clock Inputs............................................................... 10
CCBIAS........................................................................................ 10
I
Automatic Laser Shutdown....................................................... 10
Alarm Interfaces ......................................................................... 11
Power Consumption .................................................................. 11
Laser Diode Interfacing............................................................. 11
Optical Supervisor...................................................................... 11
Ordering Guide .......................................................................... 15
BIAS
................................................................................................ 10