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Mitsubishi Electric Semiconductor |
TZ7-99-408 (2/4)
MITSUBISHI (OPTICAL DEVICES)
FU-311SPP-CV4
InGaAs PD PREAMP MODULE FOR THE 1.31 µm AND 1.55 µm WAVELENGTH RANGE
DESCRIPTION
FU-311SPP-CV4 is InGaAs pin photodiode module
with Si preamplifier, designed for use in high-speed,
long haul optical communication systems.
The coaxial package contains InGaAs pin photodiode
coupled with single-mode fiber pigtail and Si
preamplifier.
FEATURES
• High-sensitivity (-32dBm typ)
• 4pin coaxial package
• Single power supply (+3.3V)
• Si preamplifier with AGC function
• Single ended output
APPLICATION
622Mbps.optical receiver (OC-12, STM-4)
Extended reach datacom and telecom applications
Long haul optical communication systems
ABSOLUTE MAXIMUM RATINGS (Tc=25°C)
Parameter
Symbol
PD Reverse voltage
VPD
PD Reverse current (CW)
Ir
PD Forward current (CW)
If
Power supply voltage
VCC
Operating case temperature
Tc
Storage temperature
Tstg
Conditions
VCC=0V
-
-
VEE=0V
-
-
Rating
15
0.7
2
0~4
-20~+85
-40~+85
Unit
V
mA
mA
V
°C
°C
TZ7-99-408 (3/4)
MITSUBISHI (OPTICAL DEVICES)
FU-311SPP-CV4
InGaAs PD PREAMP MODULE FOR THE 1.31 µm AND 1.55 µm WAVELENGTH RANGE
ELECTRICAL/OPTICAL CHARACTERISTICS (Tc=25°C,λ=1.3µm,VCC=3.3V,VEE=0V unless otherwise noted)
Parameter
Symbol
Test Conditions
Limits
Unit
Min. Typ. Max.
Detection range
--
1000 - 1600 nm
Responsivity(Note 1)
R CW
0.75 0.85 - A/W
Transimpedance
Zt AC,f=1MHz
AGC_off
- 6 - kΩ
(Note 1)
Cutoff frequency
fc
AC,RL=50Ω
(Note 2) 420
-
- MHz
Average input equivalent in
noise current density
AC,RL=50Ω ,100kHz~420MHz - 2.5 - pA/
(Note 2)
√Hz
Output impedance
Zo
(Emitter follower) (Note 3) - Low -
Ω
Sensitivity
Pr AC,RL=50Ω ,
- -32 -28 dBm
NRZ,622.08Mbps.,
Over load power
Po
PRBS=2^23-1,BER=10^-10, -8 -5
-
VPD=3.3V
(Note 2)
Power supply voltage
VCC
VEE=0V
3.135 3.3 3.465
Power supply current
ICC VCC=3.3V
- 15 20
Optical return loss
Prtn -
25 -
-
Note 1. Transimpedance value apply when AGC function is fully off.
Note 2. Impedance changer (Emitter follower to 50Ω ) used.
Note 3. Preamp output buffer can not drive of the 50Ω load. Please connect to the high impedance circuit.
V
mA
dB
OPTICAL FIBER SPECIFICATION
Parameter
Fiber type
Mode filed dia.
Cladding dia.
Jacket dia.
Connector type
Connector return loss
BLOCK DIAGRAM
Limits
Single mode
9.5±1
125±2
0.9 typ.
FC
40(min)
Unit
-
µm
µm
mm
-
dB
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