Mitsubishi Electric Corporation Semiconductor Group FU-311SPP-CV4 Datasheet

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

Parameter Symbol Conditions Rating Unit

PD Reverse voltage VPD VCC=0V 15 V
PD Reverse current (CW) Ir - 0.7 mA
PD Forward current (CW) If - 2 mA
Power supply voltage VCC VEE=0V 0~4 V
Operating case temperature Tc - -20~+85
Storage temperature Tstg - -40~+85

(Tc=25°C)

°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

Parameter Symbol Test Conditions Limits Unit

Detection range - - 1000 - 1600 nm
Responsivity(Note 1) R CW 0.75 0.85 - A/W
Transimpedance Zt AC,f=1MHz

Cutoff frequency fc
Average input equivalent

noise current density
Output impedance Zo (Emitter follower) (Note 3) - Low ­Sensitivity Pr - -32 -28

Over load power Po

Power supply voltage VCC VEE=0V 3.135 3.3 3.465 V
Power supply current ICC VCC=3.3V - 15 20 mA

Optical return loss Prtn - 25 - - dB
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.

OPTICAL FIBER SPECIFICATION

Parameter Limits Unit
Fiber type Single mode ­Mode filed dia.
Cladding dia.
Jacket dia. 0.9 typ. mm
Connector type FC ­Connector return loss 40(min) dB

in

(Tc=25°C,λ=1.3µm,VCC=3.3V,VEE=0V unless otherwise noted)

Min. Typ. Max.

- 6 -

AGC_off (Note 1)
AC,RL=50Ω (Note 2)
AC,RL=50Ω,100kHz~420MHz

(Note 2)

AC,RL=50Ω,
NRZ,622.08Mbps.,
PRBS=2^23-1,BER=10^-10,
VPD=3.3V (Note 2)

9.5±1 µm

125±2 µm

420 - - MHz

- 2.5 - pA/

-8 -5 -

dBm

kΩ

√Hz

Ω

BLOCK DIAGRAM