M02069_17 Datasheet, PDF (41/45 Pages) M/A-COM Technology Solutions, Inc. – 3.3 or 5 Volt VCSEL/FP Laser Driver IC for Applications to 4.3 Gbps

M02069-12
3.3 or 5 Volt VCSEL/FP Laser Driver IC for Applications to 4.3 Gbps
Rev V2
Figure 4-2. Application Diagram, Common Cathode VCSEL
V_CC
V_CC3
Internal
3.3V reg.
Internal Power Bus
D_IN+
D_IN-
Input
Buffer
V _CC3 -1.3V
Output
Buffer
Laser
Dri ve r
TX
Di sa bl e
Safety
Circuitry with
L a tch e dFa u l t
Modulation
Control
Automatic PowerControl
(laser bias current)
Connect to V _CC
when V _CC = 3.3V
Connect to GND
when V _CC = 5V
V_CC3
OUT+
OUT -
GND₀
IB_{OUT_CC}
SGND
IPIN
V_CC
CC_SEL
For V_CC=3.3V, tie V_CC3 to V_CC.
41
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