3 Gbps at 85 mA
Mean laser power control
DC-coupled operation
Differential PECL inputs
Temperature compensation of modulation current
Laser fault fail indicators
Bias/modulation current monitor output
24-pin BCC++ package
n e t w o r k a c c e s s p r o d u c t s
3 Gbps lntermediate
Reach Laser Driver
C X 0 2 0 6 6
The CX02066 is a low-cost 3 Gbps laser driver designed for
short-reach SONET applications. The modulator is capable
of driving modulation currents up to 85 mA. The modulation
current is adjustable by an external resistor. The IC has an
internal temperature compensation circuit for compensating
the temperature characteristic of laser diode slope
efficiency adjusted with an external resistor. External bias
and modulation monitors are provided, as well as safety
alarm functions.
D i s t i n g u i s h i n g F e a t u r e s
CEN
ENA
DIS
GND
BIAS
MON
MOD
MON
FAIL
GND
OCA
GND
GND
VCC
CLK
CLK
VCC
GND
DIN
DIN
Vcc
VCC
Vcc
I
BIAS
O/P
GND
O/P
Vcc
DOUT
DOUT
O/P
Vcc
O/P
GND
O/P
GND
GND
IPD
VCC
OCA
SET
MOD
SET
GND
MPC
SET
TC
SET
GND
TC
ADJ
GND
C
MPC
Vcc
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