TZ7-02-338 Rev.D (2/5)
05 Sep, 2002
MITSUBISHI (OPTICAL DEVICES)
FU-322SPA-*7
APD RECEIVER MODULE FOR THE 1.55
m WAVELENGTH RANGE
DESCRIPTION
FU-321SPA-*7 are avalanche photodiode module with
preamplifier, designed for use in high-speed, long haul
optical communication systems.
The butterfly package contains an avalanche photodiode
coupled with single-mode fiber pigtail and preamplifier.
FEATURES
High-sensitivity (-25dBm typ)
16pin butterfly package
Single power supply voltage (-5.2V)
Transimpedance 1k
typical(RL=50
)
Transimpedance amp with limiting amp and
differential output (Zo=50
,each output)
APPLICATION
10Gbps.optical receiver (OC-192, STM-64)
Extended reach datacom and telecom applications
Long haul optical communication systems
ABSOLUTE MAXIMUM RATINGS (Tc=25
C)
Parameter
Symbol
Conditions
Rating
Unit
APD reverse voltage
Vpd
-
Vbr
V
APD reverse current (CW)
Ir
-
2
mA
APD forward current (CW)
If
-
2
mA
Vee
-
-6.0~0.2
Power supply voltage
Vcc
-
-0.2~4
V
Operating case temperature
Tc
-
0~+70
C
Storage temperature
Tstg
-
-40~+85
C
TZ7-02-338 Rev.D (3/5)
05 Sep, 2002
MITSUBISHI (OPTICAL DEVICES)
FU-322SPA-*7
APD RECEIVER MODULE FOR THE 1.55
m WAVELENGTH RANGE
ELECTRICAL/OPTICAL CHARACTERISTICS
(Tc=25
C,
=1.55
m,Vee=-5.2V,Vcc=+3.3V unless otherwise noted)
Parameter
Symbol
Test Conditions
Limits
Unit
Min.
Typ.
Max.
APD responsivity(Note 1)
R
CW,M=1
0.7
0.8
-
A/W
APD brake down voltage
Vbr
Id=100
A
20
-
40
V
Temperature coefficient of Vbr
Tc=0 to 70
C
-
0.05
-
V/
C
Transimpedance
Zt
f=200MHz,RL=50
,
Single end
-
1
-
k
BW
RL=50
,M=9,Single end
7
-
-
GHz
Bandwidth (-3dB)
fc_L
RL=50
,M=9,Single end
-
-
100
kHz
Average input equivalent noise
current density
in
RL=50
,1MHz
7GHz
-
11
-
pA/
Hz
Output impedance
Zo
Single end
-
50
-
Electrical return loss
S22
1GHz<f<7GHz
-
-
-7
dB
Receiver sensitivity
Pr
-
-
-24
Receiver over load
Po
RL=50
,Single end,NRZ,
9.95328Gbps.,
PRBS=2
31
-1, BER=10
-10
,
Vpd=Vopt (Note 1)
-4
-
-
dBm
Differential output at overload
Vomax
RL=50
,Pin=-7dBm
-
-
2000
mVpp
Differential output sensitivity
Vomin
RL=50
,Pin=-24dBm
15
-
-
mVpp
Vee
-
-5.46
-5.2
-4.94
Amplifier voltage supply
Vcc
-
+3.135
+3.3
+3.456
V
Iee
Vee=-5.2V
-
-
150
Power supply current
Icc
Vcc=3.3V
-
-
150
mA
Optical return loss
Prtn
-
27
-
-
dB
Thermistor resistance
Rth
Tc=25
C,Vee=0V,Vcc=0V
9.5
10
10.5
k
Thermistor B constant
B
Vee=0V,Vcc=0V
3800
3900
4000
K
Note 1. Used post-amp bandwidth is 8GHz, Laser souse extinction ratio is 10dB.
OPTICAL FIBER SPECIFICATION
Parameter
Limits
Unit
Type
SM
-
Mode filed dia.
9.5
1
m
Cladding dia.
125
2
m
Jacket dia.
0.9 typ.
mm
Fiber length
1000~1200
mm
CONNECTOR OPTION
Type number
Connector type
Connector return loss
FU-322SPA-W7
SC connector
40dB(min.)
FU-322SPA-V7
FC/PC connector
40dB(min.)
FU-322SPA-7
With out connector
-
DOCUMENTATION
Parameter
Symbol
Test conditions (Vee=-5.2V,Tc=25
C,
=1.55
m)
APD responsivity
R
CW,M=1
APD brake down voltage
Vbr
Id=100
A
Bandwidth(-3dB)
BW
RL=50
,M=9,Single end
Receiver sensitivity
Pr
RL=50
,Single end,NRZ,9.95328Gbps.,PRBS=2
31
-1,
BER=10
-10
,Vpd=Vopt
Power supply current
Iee,Icc
-
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