Datasheet

ADN2871
Rev. A | Page 2 of 20
TABLE OF CONTENTS
Features .............................................................................................. 1
Applications....................................................................................... 1
General Description ......................................................................... 1
Revision History ............................................................................... 2
Specifications..................................................................................... 3
SFP Timing Specifications............................................................... 5
Absolute Maximum Ratings............................................................ 6
ESD Caution.................................................................................. 6
Pin Configuration and Function Descriptions............................. 7
Optical Waveforms........................................................................... 8
Multirate Performance Using Low Cost Fabry Perot TOSA
NEC NX7315UA .......................................................................... 8
Performance Over Temperature Using DFB Tosa
SUMITOMO SLT2486................................................................. 8
Typical Performance Characteristics ............................................. 9
Single-Ended Output ................................................................... 9
Differential Output..................................................................... 10
Performance Characteristics..................................................... 11
Theory of Operation ...................................................................... 13
Laser Control .............................................................................. 13
Control Methods ........................................................................ 13
Voltage S e tpoint Cal ibration ..................................................... 13
Resistor Setpoint Calibration.................................................... 15
I
MPD
Monitoring .......................................................................... 15
Loop Bandwidth Selection........................................................ 16
Power Consumption .................................................................. 16
Automatic Laser Shutdown (Tx_Disable)............................... 16
Bias and Modulation Monitor Currents.................................. 16
Data Inputs.................................................................................. 17
Laser Diode Interfacing............................................................. 17
Alarms.......................................................................................... 18
Outline Dimensions ....................................................................... 19
Ordering Guide .......................................................................... 19
REVISION HISTORY
2/07—Rev. 0 to Rev. A
Changes to Figure 1.......................................................................... 1
Changes to Table 3............................................................................ 6
Changes to Table 4............................................................................ 7
Changes to Figure 29 and Figure 30............................................. 14
Changes to Resistor Setpoint Calibration Section, Figure 32,
and Figure 33................................................................................... 15
Inserted Power-On Sequence in Resistor Setpoint
Mode Section................................................................................... 15
Changes to Loop Bandwidth Selection Section.......................... 16
Changes to Laser Diode Interfacing Section, Figure 35, and
Figure 36 .......................................................................................... 17
Changes to Table 6.......................................................................... 18
6/05—Revision 0: Initial Version