M02061_17 Datasheet, PDF (1/45 Pages) M/A-COM Technology Solutions, Inc. – 3.3 or 5 Volt Laser Driver

M02061-12/-21
3.3 or 5 Volt Laser Driver
Rev V6
Applications
Features
• SFP and SFF Modules
• 1G/2G/4G Fibre Channel modules
• Short reach and Metro SONET/SDH
• CPRI: 614.4, 1228.8, 2457.6, 3072.0, 4915.2 and 6144.0 Mbit/s
• OLT Laser Driver for GPON and EPON
• High-speed operation; suitable for SFP/SFF applications.
Typical rise/fall times of 55 ps.
• Programmable temperature compensation. Modulation output and
bias output can be controlled using a few discrete resistors.
• Supports DDMI (SFF-8472) diagnostics
• DC or AC coupled modulation drive. Up to 100 mA modulation
current available when AC coupled.
• Low overshoot allows high extinction ratio with low jitter
• Automatic laser power control, with “Slow-Start”
• PECL and CML compatible differential data inputs
• Complies with major MSAs (GBIC, SFF, SFF-8472, SFP) including
timing requirements
• Packaged in a QFN24
• 3.3 V or 5 V operation
• Pulse width adjustment
The M02061 is a highly integrated, programmable laser driver intended for SFP/SFF modules. Using differential
PECL data inputs, the M02061 supplies the bias and modulation current required to drive an edge-emitting laser.
The modulation output can be DC coupled to the laser diode.
The M02061 includes automatic power control to maintain a constant average laser output power over temperature
and life. In addition, the modulation current can be temperature compensated to minimize variation in extinction
ratio over temperature.
Typical Applications Diagram
VCC
VCC3
VCC
V_CC
D_IN+
D_IN-
Internal
3.3V reg.
Internal Power Bus
Input
Buffer
D - FF
V_CC3 -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
IBIASOUT
IPIN
V CC
V_CC3
(M02061-21
only)
(M02061-12
only)
1
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