TZ7-02-132A(1/
4
)
27.February.2002
Approved
Charged
KISHIDA
Approved
Customer
Approval
Specification proposal
(2.5Gbps. APD Preamp Module Vcc=+3.3V)
FU-319SPA-6M20/V6M20/W6M20
MITSUBISHI ELECTRIC CORP.
A
B
C
D
x
Date
Approved
1.Mar.'02
H.Kiyosue
Mitsubishi Electric Corp. reserves the right to change product design and specification without notice.
PRELIMINARY
TZ7-02-132A(2/
4
)
MITSUBISHI (OPTICAL DEVICES)
FU-319SPA-6M20/V6M20/W6M20
InGaAs APD PREAMP MODULE FOR THE 1.31
m
m AND 1.55
m
m WAVELENGTH RANGE
DESCRIPTION
FU-319SPA-6M20/V6M20/W6M20 is InGaAs avalanche
photodiode module with SiGe preamplifier, designed for
use in high-speed, long haul optical communication
systems.
The coaxial package contains InGaAs avalanche
photodiode coupled with single-mode fiber pigtail and
SiGe preamplifier.
FEATURES
High-sensitivity (-33dBm typ)
5pin coaxial package
Single power supply voltage +3.3V.
Differential output (50
W
)
APPLICATION
2.5Gbps.optical receiver (OC-48, STM-16)
Extended reach datacom and telecom applications
Long haul optical communication systems
ABSOLUTE MAXIMUM RATINGS (Tc=25
C)
Parameter
Symbol
Rating
Unit
APD Reverse voltage
VPD
0~Vbr
V
APD Reverse current (CW)
Ir
2
mA
APD Forward current (CW)
If
2
mA
Power supply voltage
VCC
-0.5~6
V
Operating case temperature
Tc
-40~+85
C
Storage temperature
Tstg
-40~+85
C
Vbr: APD breakdown voltage.
PRELIMINARY
TZ7-02-132A(3/
4
)
MITSUBISHI (OPTICAL DEVICES)
FU-319SPA-6M20/V6M20/W6M20
InGaAs APD PREAMP MODULE FOR THE 1.31
m
m AND 1.55
m
m WAVELENGTH RANGE
ELECTRICAL/OPTICAL CHARACTERISTICS (Tc=25
C,
l
=1.55
m
m,VCC=3.3V, unless otherwise noted)
Parameter
Symbol
Test Conditions
Limits
Unit
Min.
Typ.
Max.
Detection range
-
-
1000
-
1600
nm
R13
CW,
l
=1.3
m
m,M=1
0.7
0.85
-
Responsivity
R15
CW,
l
=1.55
m
m,M=1
0.8
0.9
-
A/W
Breakdown voltage
Vbr
Id=100
m
A
35
-
75
V
Temp.coefficient of Vbr
(Note 3)
g
Id=100
m
A,Tc=-40~85
C
0.07
0.12
0.16
V/
C
Transimpedance
Zt
AC,f=200MHz,RL=50
W
,
Pin=-27 dBm,M=10,
Single end, (Note 1)
1.0
1.37
1.75
k
W
Maximum output voltage
Vod_max
AC,RL=50
W
,Pin=-10dBm,
M=10,Single end,
75
150
310
mV
fc_High
AC,RL=50
W
,M=10
1.6
1.9
-
GHz
Cutoff frequency(-3dB)
fc_Low
AC,RL=50
W
-
30
100
kHz
Average input equivalent noise
current density
in
AC,RL=50
W
,1MHz~1.6GHz
-
10
-
pA/
Hz
Output impedance
Zo
(Differential output)
-
50
-
W
Sensitivity
Pr
-
-33
-31
Over load power
Po
AC,RL=50
W
,
l
=1.55
m
m,
NRZ, 2.48832Gbps.,
PRBS=2^23-1,BER=10^-10,
VPD=Optimum value (Note 2)
-7
-5
-
dBm
Power supply voltage
VCC
-
3.1
3.3
3.5
V
Power supply current
ICC
VCC=3.3V
-
35
60
mA
Optical return loss
Prtn
l
=1.55
m
m
27
-
-
dB
Note 1. Zt=OUTN/Iin Iin:Preamp input current amplitude.
Note 2. Used post-amp bandwidth is 1.86GHz, Laser souse extinction ratio is 10dB.
Note 3.
g
=(Vbr(25
C+
D
T)-Vbr(25
C))/
D
T
[
V/
C
]
OPTICAL FIBER SPECIFICATION
Limits
Parameter
FU-319SPA-6M20
FU-319SPA-V6M20
FU-319SPA-W6M20
Unit
From of fiber end on delivery
Cut or ferrule
FC/PC connector
SC/PC connector
-
Type
SM
-
Mode filed dia.
9.5
1
m
m
Cladding dia.
125
2
m
m
Jacket dia.
0.9 typ.
mm
Connector return loss
40(min)
dB
BLOCK DIAGRAM
Preamp
APD
2 VCC
1 VPD
5 GND
3 OUTN
4 OUTP
50W
50W
0.1mF
0.1mF
FU-319SPA-*6M20
APD Bias Supply Positive Supply
Optical Fiber
Lens
Electrical output
Optical input
0.1mF
0.1mF
PRELIMINARY
TZ7-02-132A(4/
4
)
MITSUBISHI (OPTICAL DEVICES)
FU-319SPA-6M20/V6M20/W6M20
InGaAs APD PREAMP MODULE FOR THE 1.31
m
m AND 1.55
m
m WAVELENGTH RANGE
1:VPD
2:VCC
3:OUTN
4:OUTP
5:GND
UNIT:mm
CONNECTOR
PRELIMINARY
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