CXB1548Q-Y
Laser Driver
Description
The CXB1548Q-Y is a high-speed monolithic
Laser Driver/Current Switch with ECL input level.
Open collector outputs are provided at the output
pins (Q, Q) and have the capability of driving
modulation current of 60mApp at a max. data rate of
2.0Gbps (NRZ). DRIVADJ and SDRIV inputs control
the modulation current amplitude, and BIASADJ,
SBIAS inputs control the bias current. Modulation
and bias current can be controlled by either voltage
or current through these pins. This device includes
three Operational Amplifiers and Laser Shutdown
function.
Features
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Maximum data rate (NRZ): 2.0Gbps (Typ.)
Differential Data input: ECL
On chip three Operational Amplifiers
Laser Shutdown Input: TTL
32 pin QFP (Ceramic)
Applications
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SONET/SDH: 155,622Mb/s,1.2Gb/s
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Fiber channel: 133,266,532Mb/s,1.062Gb/s
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FDDI: 125Mb/s ESCON: 200Mb/s HDTV: 1.5Gb/s
Absolute Maximum Ratings
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Supply voltage
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Input voltage
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Differential input voltage
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Output current (Continuous)
Input current (Continuous)
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Storage temperature
Vcc 鈥?V
EE
V
IN
|V
IN
鈥?V
IN
|
I
Q
, I
BIAS
I
DRVADJ
I
BIASADJ
Tstg
鈥?.3 to +7.0
V
EE
to +0.5
0 to 2.5
0 to 80
0 to 8
0 to 8
鈥?5 to +150
V
V
V
mA
mA
mA
擄C
Recommended Operating Conditions
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DC power supply voltage
Vcc 鈥?V
EE
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Operating case temperature
Tc
Structure
Bipolar silicon monolithic IC
4.75 to 5.46
0 to +85
V
擄C
Sony reserves the right to change products and specifications without prior notice. This information does not convey any license by
any implication or otherwise under any patents or other right. Application circuits shown, if any, are typical examples illustrating the
operation of the devices. Sony cannot assume responsibility for any problems arising out of the use of these circuits.
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