FU-645SDF-1M1B データシートの表示（PDF） - Mitsumi

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FU-645SDF-1M1B

1.55 μm UNCOOLED DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL (BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)

Mitsumi 

TZ7-01-111B (3/6)

MITSUBISHI (OPTICAL DEVICES)

FU-645SDF-x1Mxx

1.55 µm UNCOOLED DFB-LD MODULE WITH SINGLEMODE FIBER PIGTAIL

(BIAS CIRCUIT INTEGRATED, DIGITAL APPLICATION)

ELECTRICAL/OPTICAL CHARACTERISTICS (Tc=-5~70°C, unless otherwise noted)

Parameter

Symbol

Test Conditions

Limits

Unit

Min. Typ. Max.

Threshold current

Ith

CW, Tc=25°C

-

10

25

mA

Optical output power

at threshold current

CW

Pth

CW, Ibias=Ith

2

-

40

-

-

50

µW

Operating current

Iop CW, Pf=2mW, Tc=25°C

-

40

70

mA

CW, Pf=2mW, Tc=70°C

-

60

90

Operating voltage

Vop CW, Pf=2mW, Tc=25°C

-

1.2

1.5

V

Input impedance

CW, Pf=2mW, Tc=70°C

Zin -

-

1.6

1.8

-

25

-

Ω

Optical output power from

Pf

CW, nominal

-

2

-

mW

fiber end

Light-emission central

wavelength

Wavelength temperature

λc

CW, Pf=1mW

λct

-

1530 1550 1570 nm

-

0.10 0.12 nm/°C

coefficient

Spectral width

∆λ

(Note1), -20dB

-

-

0.4

nm

Side mode suppression ratio

Sr

(Note1)

30

45

-

dB

Cutoff frequency

(-1.5dB optical)

fc

Pf=1mW

3.5

-

-

GHz

Rise and fall time (10~90%)

tr, tf (Note1)

-

125 150 psec

Dispersion penalty

Pp

(Note1), +1800ps/nm disp.

-

-

2

dB

Relative intensity noise

Nr

CW, Pf=1mW, f=1GHz

-

-150 -140 dB/Hz

Tracking error (Note 2)

Differential efficiency

Er

CW, APC(Imon=const.)

η

CW, Tc=25°C

-

0.5

1.25

dB

0.06

-

0.1 mW/

CW

0.036

-

0.15 mA

Monitor current

Imon CW, Pf=1mW, Vrd=5V

0.05

-

1

mA

Optical isolation

Dark current (PD)

Iso -

Id

Vrd=5V

20

-

-

dB

-

-

0.1

µA

Capacitance (PD)

Thermistor resistance

Ct

Vrd=5V, f=1MHz

Rth Tc=25°C

-

-

10

pF

9.5

10

10.5 kΩ

B constant of Rth

B

-

-

3950

-

K

Note 1) 2.48832Gb/s NRZ, 223-1, Pf_ave=1mW, Extinction ratio 10dB, optical return loss from the line should be

greater than 24dB in order to ensure the specified performance.

Note 2) Er=max|10×log(Pf / Pf@25°C)|

FIBER PIGTAIL SPECIFICATIONS

Parameter

Type

Mode field diameter

Cladding diameter

Secondary coating outer diameter

Connector

Optical return loss of connector

Limits

Unit

SM

-

10±1

µm

125±2

µm

0.9±0.1

mm

See Table 1.

-

40 (min)

dB

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