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PDF ML01618 Data sheet ( Hoja de datos )
| Número de pieza | ML01618 | |
| Descripción | (ML0xx18) 10Gb/s EA Modulator Driver IC | |
| Fabricantes | Mitsubishi Electric | |
| Logotipo |  |
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Notice: This is not a final specification.
Some parametric limits are subject to change.
MITSUBISHI ICs for Optical Communication
ML0XX18
10Gb/s EA Modulator Driver IC
GENERAL DESCRIPTION
The ML0XX18 is an external modulator driver for 10Gb/s optical communication systems. Output voltage swing, output
voltage offset, and output voltage cross-point are adjustable by controls of current inputs. A D-FF and a selector are
integrated on the chip to implement selectable re-timing/bypass function. Data and clock inputs have high sensitivity of
200mV differential amplitude. Both DC/AC-coupled connections are allowed for the data inputs. Clock input supports
AC-coupled connection. The ML0XX18 is available in a 32-pin Small Lead-frame Package (SLP-type) or in a die form.
FEATURES
·Operation for 10Gbps Optical Communication
·Adjustable Output Modulation Voltage:
·On-chip Input / Output 50Ω Termination
Vo-pp= 1 – 3Vpp
·Built-in D-FF
·Adjustable Output Voltage Offset:
(Retiming and Non-retiming Mode Selectable)
Voh= -1.0 – 0V
·Output Voltage Swing:
·Adjustable Output Voltage Cross-Point:
Vo-pp(Max.)=3 Vp-p min. @RL=50Ω
CP= 30 - 75%
·The -5.2V Single Power Supply
·DC or AC Coupled Data Input
with High Sensitivity of 200mV Differential (100mV per side).
www.DataSheet4U.com
APPLICATION
·SONET OC-192 and SDH STM-64 Transmission systems
< Keep safety first in your circuit designs! >
Mitsubishi Electric Corporation puts the maximum effort into
making semiconductor products better and more reliable,
but there is always the possibility that trouble may occur
with them. Trouble with semiconductors may lead to personal
injury, fire or property damage. Remember to give due
consideration to safety when making your circuit designs,
with appropriate measures such as (ⅰ)placement of
Substitutive, auxiliary circuits, (ⅱ)use of non-flammable
material or (ⅲ)prevention against any malfunction or mishap.
·10Gb/s Ethernet Modules
·10Gb/s Fibre Channel Modules
RECOMMENDED OPERATING CONDITIONS
Symbol
Parameter
VEE
VGNDO
VGNDON
VDATA
VDATA(High)
VDATA(Low)
VCLK
IM
Supply Voltage
Driver Output Termination Voltage
(GNDO/GNDON)
DATA Input Voltage Amplitude
DATA Input Level High
DATA Input Level Low
CLK Input Voltage Amplitude
Output Voltage Modulation Control Current
IOFS Output Voltage offset Control Current
ICRSADJ
TC
Cross-Point Control Current
Operating Case Temperature
Test Conditions
—
RL=50Ω
AC-coupled/side
DC-coupled
DC-coupled
AC-coupled/side
—
Bias
Non-Bias
—
—
Min.
-5.46
—
0.1
-0.45
-1.0
0.1
0
0
—
0.25
0
Ratings
Typ.
-5.2
0
0.25
-0.375
-0.625
0.25
—
—
Floating
0.35
—
Max.
-4.94
—
1
-0.0
-0.55
1
6.0
6.0
—
0.5
85
Unit
V
V
V
V
V
V
mA
mA
mA
mA
ºC
MITSUBISHI
ELECTRIC
-1-
‘04/1/14 rev.2.1
1 page  
Notice: This is not a final specification.
Some parametric limits are subject to change.
MITSUBISHI ICs for Optical Communication
ML0XX18
10Gb/s EA Modulator Driver IC
BUILT-IN D-FF
The ML0XX18 has an internal D-FF to retime the data by the clock supplied from an external source. To use the D-FF
retiming operation, connect CSEL to GND. On the other hand, by connecting CSEL to VEE, an integrated selector SEL will
bypass the D-FF, and shut down the power supply of the D-FF and the clock input buffer. The power down feature at the
non-retiming operation reduces the power dissipation of the ML0XX18.
OUTPUT WAVEFORM ADJUSTMENT
The ML0XX18 has output waveform adjustment capabilities of output swing, offset level, and output cross-point.
The output voltage swing can be controlled by IM of Modulation Current Control block. Figure 4(a) shows the characteristics
of output swing control.
The output offset level can be adjusted by IOFS. The output offset level is defined as the high level of output waveform to
GND. Figure 4(b) shows an offset control example. ICRSADJ is the current control input of cross point adjustment as shown
in Figure 4(c).
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
0.0
Vhigh
Vlow
2.0 4.0 6.0
Im [m A]
8.0
0.5
0.0
-0.5
-1.0
-1.5
-2.0
-2.5
-3.0
-3.5
-4.0
0.0
Vhigh
Vlow
2.0 4.0
Ioff[m A]
6.0
100.0
90.0
80.0
70.0
60.0
50.0
40.0
30.0
20.0
10.0
00.0
0.0 0.1 0.2 0.3 0.4 0.5 0.6
ICRSADJ[m A]
(a) Output Swing Control
IOFS=0mA, ICRSADJ=0.4mA
(b) Output Offset Control
IM=4mA, ICRSADJ=0.4mA
(c) Output Cross-point Control
IM=6mA, IOFS=0mA
Vss=-5.2V, Ta=RT, fDATA=10Gb/s, Data/Clk=0.25Vpp(AC)
Figure 4. ML0XX18 Control Characteristics
MITSUBISHI
ELECTRIC
-5-
‘04/1/14 rev.2.1
5 Page | ||
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| PDF Descargar | [ Datasheet ML01618.PDF ] | |
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