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參數(shù)資料
| 型號： | LG1627BXC |
| 英文描述： | LG1627BXC Clocked Laser Driver |
| 中文描述： | LG1627BXC時鐘激光驅(qū)動器 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 921K |
| 代理商： | LG1627BXC |
Data Sheet
May 2001
LG1627BXC Clocked Laser Driver
Features
I
High data-rate clocked laser diode driver
I
Clock disable mode for data feedthrough
I
Adjustable high output current
I
Operation up to 3 Gbits/s
Applications
I
SONET/SDH transmission systems
I
SONET/SDH test equipment
I
Optical transmitters
Functional Description
The LG1627BXC is a gallium arsenide (GaAs) laser
diode driver to be used with direct modulated laser
diodes in high-speed non-return-to-zero (NRZ) trans-
mission systems. The device is made in a high-
performance 0.9 μm gate GaAs hetero-junction FET
technology that utilizes high-density MIM capacitors,
airbridge interconnect, and NiCr film precision resis-
tors. The driver includes differential data and clock
inputs. The high-output, low overshoot drive current
and prebias can be set separately. Data retiming is
accomplished by the internal flip-flop, minimizing
jitter on the data. Clocking can be disabled for data
feedthrough. A pulse-width control enables the user
to compensate for laser turn-on delay. A 2.5 V band-
gap reference is required for stable operation over
temperature and varying power supply voltage.
Functional Diagram
5-6549(F).b
Figure 1. Functional Diagram
BG2P5
PWP
MOD_E
PWN
GND
I
OUT
MK
MK
V
SS1
CLK_E
CLK
CLK
V
IN
V
IN
V
TH
V
SS2
V
SS3
V
MOD
V
PRE
I
OUT-PRE
LG1627BXC
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