M02061 Datasheet, PDF (33/37 Pages) M/A-COM Technology Solutions, Inc. – 3.3 or 5 Volt Laser Driver

4.0 Applications Information
4.1
General
• SFP and SFF Modules
• 1G/2G/4G Fibre Channel modules
• Short reach and Metro SONET/SDH
Figure 4-1 and Figure 4-2 illustrate typical applications for 3.3/AC coupled and 5V/DC coupled laser.
Figure 4-1. Application Diagram, VCC = 3.3V Laser AC Coupled Example
V_CC
V_{CC 3}
V_CC
V_CC
D_IN+
D_IN-
Internal
3.3V reg.
Internal Power Bus
Input
Buffer
D - FF
VCC3 -1.3V
Output
Buffer
Laser
Driver
Input
Buffer
TX
Disable
Safety
Circuitry with
Latched Fault
Modulation
Control
Automatic Power Control
(laser bias current)
SV_CC
OUT-
OUT+
GND₀
V CC
100k
IBIAS_OUT
IPIN
VCC
(M02061-21
only)
VCC3
(M02061-12
only)
02061-DSH-001-G
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33
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