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Sony Semiconductor Electronic Components Datasheet

CXB1558Q-Y Datasheet

Laser Driver

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CXB1558Q-Y pdf
Laser Driver
CXB1558Q-Y
Description
The CXB1558Q-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
D-FF for duty cycle correction and Laser Shutdown
function.
32 pin QFP (Ceramic)
Features
Maximum data rate (NRZ): 2.0Gbps (Typ.)
Differential Data input: ECL
D-FF for Duty Cycle Correction
Laser Shutdown Input: TTL
Applications
SONET/SDH: 155,622Mb/s,1.2Gb/s
Fiber channel: 133,266,532Mb/s,1.062Gb/s
FDDI: 125Mb/s ESCON: 200Mb/s HDTV: 1.5Gb/s
Absolute Maximum Ratings
Supply voltage
Input voltage
Differential input voltage
Differential clock voltage
Output current (Continuous)
Input current (Continuous)
Storage temperature
Vcc – VEE –0.3 to +7.0
VIN VEE to +0.5
|VIN – VIN|
0 to 2.5
|VCLK – VCLK| 0 to 2.5
IQ, IBIAS
0 to 80
IDRVADJ
0 to 8
IBIASADJ
0 to 8
Tstg –65 to +150
V
V
V
V
mA
mA
mA
°C
Recommended Operating Conditions
DC power supply voltage
Vcc – VEE
Operating case temperature Tc
4.75 to 5.46
0 to +85
V
°C
Structure
Bipolar silicon monolithic IC
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.
–1–
E94720-PK


Sony Semiconductor Electronic Components Datasheet

CXB1558Q-Y Datasheet

Laser Driver

No Preview Available !

CXB1558Q-Y pdf
Block Diagram and Pin Assignment
CXB1558Q-Y
24 23 22 21 20 19 18 17
VEE1 25
VBB 26
VOLTAGE
SOURCE
D 27
D 28
VCC1 29
D-FF
INPUT SIGNAL
MONITOR
P 30
P 31
DRIVADJ 32
MODULATION
GENERATOR
BIAS
GENERATOR
16 NC
15 NC
14 NC
13 NC
12 NC
11 BIASADJ
10 VEE2
9 SBIAS
12345678
Truth table
LDOFF D
Q
HLH
HH L
LLH
LHH
In a case of resistor load.
P
H
L
H
L
–2–


Part Number CXB1558Q-Y
Description Laser Driver
Maker Sony Corporation
Total Page 11 Pages
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CXB1558Q-Y pdf
CXB1558Q-Y Datasheet PDF
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