ADN2870 Просмотр технического описания (PDF) - Analog Devices

Номер в каталоге

Компоненты Описание

производитель

ADN2870

3.3 V Dual-Loop, 50 Mbps to 3.3 Gbps Laser Diode Driver

Analog Devices 

ADN2870

TABLE OF CONTENTS

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

SFP Timing Specifications............................................................... 5

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

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

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

Typical Operating Characteristics.................................................. 8

Optical Waveforms Showing Multirate Performance Using

Low Cost Fabry Perot Tosa NEC NX7315UA .......................... 8

Optical Waveforms Showing Dual-Loop Performance Over

Temperature Using DFB Tosa SUMITOMO SLT2486............ 8

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

Theory of Operation ...................................................................... 11

Dual-Loop Control .................................................................... 11

Control......................................................................................... 12

REVISION HISTORY

8/04—Revision 0: Initial Version

Voltage Setpoint Calibration..................................................... 12

Resistor Setpoint Calibration.................................................... 14

IMPD Monitoring ...................................................................... 14

Loop Bandwidth Selection ........................................................ 15

Power Consumption .................................................................. 15

Automatic Laser Shutdown (TX_Disable).............................. 15

Bias and Modulation Monitor Currents.................................. 15

Data Inputs.................................................................................. 15

Laser Diode Interfacing............................................................. 16

Alarms.......................................................................................... 17

Outline Dimensions ....................................................................... 18

Ordering Guide .......................................................................... 18

Rev. 0 | Page 2 of 20

Share Link: