Finisar
Product Specification
8 Gbps 850nm PIN + Preamp LC ROSA Package
HFD7180-001
PRODUCT FEATURES
•
•
LC ROSA package
High performance GaAs PIN
photodiode with separate
transimpedance amplifier
Low electrical parasitic
TO46 package
Data rates up to 8.5Gbps
Separate detector bias pin
can be used for receive
•
•
•
power monitoring
Low power dissipation
Can drive SERDES directly
RoHS compliant (EU Directive on
Restrictions of Hazardous Substances,
2002/95/EC)
•
•
•
The HFD7180-001 uses a high-performance GaAs PIN photo-detector packaged with a
transimpedance amplifier designed to meet performance requirements for 8Gbps data
communication over multi-mode optical fiber at 850nm. Applications include Ethernet,
Fiber Channel and ATM protocols. The optical assembly is designed to interface either
50mm or 62.5mm multi-mode fiber.
The HFD7180-0011 is designed to be paired with Advanced Optical Components
HFE7192 VCSEL 8Gbps TOSA products (see data sheets for HFE7192 products at
www.finisar.com/).
PRODUCT SELECTION
Part Number
HFD7180-001
Description
LC ROSA, with separate PD bias
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved
Rev. B00
Page 1
HFD7180-001
Product Specification – Oct 2014
Finisar
I. Absolute Maximum Ratings
Parameter
Storage Temperature
Case Operating Temperature
Lead Solder Temperature
Power Supply Voltage
PIN Voltage
Incident Optical Power
ESD Exposure (Human Body Model)
Rating
-40 to +95°C
-20 to +95°C
260°C, 10 sec.
-0.3V to 3.6V
10V
+3 dBm average,+6 dBm peak
225V
Notice
Stresses greater than those listed under “Absolute Maximum Ratings”
may cause permanent damage to the device. This is a stress rating
only and functional operation of the device at these or any other
conditions above those indicated in the operations section for
extended periods of time may affect reliability.
Notice
The inherent design of this component causes it to be sensitive to
electrostatic discharge (ESD). To prevent ESD-induced damage
and/or degradation to equipment, take normal ESD precautions when
handling this product
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved
Rev. B00
Page 2
HFD7180-001
Product Specification – Oct 2014
Finisar
II.
o
Electro-Optical Characteristics
(Vcc =3.3V, AC coupled to 50W (100W differential), -
20 C < TA <95
o
C unless otherwise specified)
Parameters
Data Rate
Input Optical Wavelength
Supply Voltage
Supply Current
PD Bias Voltage
Photodiode Responsivity
Active Area (diameter)
Optical Return Loss
Differential Output Voltage Swing
Differential Responsivity
-3dB Optical/Electrical Bandwidth
Low Frequency –3dB Cutoff
Output Impedance
Sensitivity, OMA
Test Condition
0
o
C to 70
o
C
P
R
=0µW, R
L
=50Ω AC
coupled
P
R
=-12dBm
P
R
=-12dBm
P
R,OMA
= -12Bm,
AC Coupled to R
L
=50Ω
P
R,OMA
= -12dBm,
AC Coupled to R
L
=50Ω
P
R,OMA
=-12dBm
Temp = 25
o
C
P
R,OMA
=-12dBm
DR = 2.125Gbps
DR = 4.25Gbps
DR = 8.5Gbps
P
R,OMA
=-12dBm, (20%-
80%)
Measured from |S21|
Phase
P
R
=0µW (Dark), Freq =
1000MHz
PR,OMA=-12dBm
RL=50
Ω
AC
PR,OMA=-12dBm
RL=50
Ω
AC
Symbol
DR
λ
P
I
CC
VPD_Bias
Resp
ORL
V
o(pk-pk)
T
BW
BW
LF
Z
OUT
S
Min.
830
2.97
Typ.
850
3.3
35
3.3
0.5
40
260
3000
7.5
Max.
8.5
870
3.63
50
3.6
0.6
Units
Gbps
nm
V
mA
V
A/W
µm
dB
mV
V/W
GHz
KHz
Ω
dBm
Notes
1
3
0.45
12
150
2300
6
330
5300
11
90
60
-16
-15
-13
50
50
2,3
2,3
2,3
2,3
4
40
50
-19
-18
-15
30
Rise/Fall Time
Group Delay
Power Supply Rejection Ratio
Deterministic Jitter
Random Jitter
T
R
/T
F
GVD
PSRR
DJTIA
RJTIA
-50
20
ps
ps
dB
2,5
7
1,6
8
9
20
3
40
5
ps
Ps
Notes:
1. PR is the average optical power at the fiber face.
2. PR,OMA is the peak to peak optical power at the fiber face (Optical Modulation Amplitude)
where ER is the extinction ratio (linear) of the optical source.
Bandwidth and Low Frequency Cutoff are measured with a small signal sinusoidal light source
with –10dBm average power
Sensitivity is measured with an optical source with an extinction ratio of 3dB. For sensitivity
measurements at 2 and 4Gbps, bandwidth limiting of the TIA is assumed to be implemented at the
front end of the post amplifier.
Rise/Fall times are corrected for optical source Rise/Fall times. T
2TIA
= T
2MEASURED
- T
2OPTICAL
Value shown is with no external power supply filtering.
Group delay is a sensitive measurement to package interface, and includes the effects of PD, TIA
and package. Measurement is made with TO leads as short as possible.
DJTIA is specified as contributed DJ by the TIA, obtained from DJ
2tia
= DJ
2total
- DJ
2optical
RJTIA is specified as contributed DJ by the TIA, obtained from RJ
2tia
= RJ
2total
- RJ
2optical
3.
4.
5.
6.
7.
8.
9.
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved
Rev. B00
Page 3
HFD7180-001
Product Specification – Oct 2014
Finisar
10. The electrical performance of the ROSA is dependent upon the quality of the electrical connection
between the TO can and the circuit board. AOC cannot guarantee all performance specifications
for parts without the flex circuit attached.
III.
Recommended interface circuit for the HFD6180-421
Optional RSSI implementation is shown in blue.
Optional 100Ω differential termination for high impedance limiting amplifiers is shown in red.
Ω
V
PD
100Ω
V
CC
V
CC
V
PD
OUTN
OUTP
Case
50Ω
50Ω
20x
RSSI ~ 1V/mW
100Ω
Note: 100Ω resistor
only needed with
high impedance
limiting amplifiers
IN
22uH
10nF
100nF
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved
Rev. B00
Limiting Amp
HFD6180
100nF
OUT
Page 4
HFD7180-001
Product Specification – Oct 2014
Finisar
IV.
Environmental Specifications
Symbol
T
op
T
sto
Min
-20
-40
Typ
Max
95
95
Units
°C
°C
Ref.
Parameter
Case Operating Temperature
Storage Temperature
V.
Mechanical Specifications
PIN
1
2
3
4
5
Description
Case
OUTN
Vcc
V
PD
OUTP
(dimensions are in mm)
Confidential and Proprietary © 2014 Finisar Corporation. All rights reserved
Rev. B00
Page 5
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