HFBR-14E4Z [AVAGO]
RoHS Compliant; 符合RoHS
| 型号： | HFBR-14E4Z |
| 厂家： | 
AVAGO TECHNOLOGIES LIMITED |
| 描述： | RoHS Compliant |
| 文件： | 总25页 (文件大小：315K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
HFBR-0400Z, HFBR-14xxZ and HFBR-24xxZ Series
Low Cost, Miniature Fiber Optic Components
with ST®, SMA, SC and FC Ports
Data Sheet
Description
Features
ꢀ RoHS Compliant
The HFBR-0400Z Series of components is designed to
provide cost effective, high performance fiber optic com-
munication links for information systems and industrial
applications with link distances of up to 2.7 kilometers.
With the HFBR-24x6Z, the 125 MHz analog receiver, data
rates of up to 160 megabaud are attainable.
ꢀ Meets IEEE 802.3 Ethernet and 802.5 Token Ring Stan-
dards
ꢀ Meets TIA/EIA-785 100Base-SX standard
ꢀ Low Cost Transmitters and Receivers
ꢀ Choice of ST®, SMA, SC or FC Ports
ꢀ 820 nm Wavelength Technology
ꢀ Signal Rates up to 160 MBd
Transmitters and receivers are directly compatible with
popular “industry-standard” connectors: ST®, SMA, SC
and FC. They are completely specified with multiple fiber
sizes; including 50/125 μm, 62.5/125 μm, 100/140 μm,
and 200 μm.
ꢀ Link Distances up to 2.7 km
ꢀ Compatible with 50/125 μm, 62.5/125 μm, 100/140
μm, and 200 μm HCS® Fiber
The HFBR-14x4Z high power transmitter and HFBR-24x6Z
125 MHz receiver pair up to provide a duplex solution
optimized for 100 Base-SX. 100Base-SX is a Fast Ethernet
Standard (100 Mbps) at 850 nm on multimode fiber.
ꢀ Repeatable ST Connections within 0.2 dB Typical
ꢀ Unique Optical Port Design for Efficient Coupling
ꢀ Auto-Insertable and Wave Solderable
ꢀ No Board Mounting Hardware Required
ꢀ Wide Operating Temperature Range -40 °C to +85 °C
ꢀ AlGaAs Emitters 100% Burn-In Ensures High Reliability
ꢀ Conductive Port Option
Complete evaluation kits are available for ST product
offerings; including transmitter, receiver, connectored
cable, and technical literature. In addition, ST connec-
tored cables are available for evaluation.
Applications
ꢀ 100Base-SX Fast Ethernet on 850 nm
ꢀ Media/fiber conversion, switches, routers, hubs and
NICs on 100Base-SX
ꢀ Local Area Networks
ꢀ Computer to Peripheral Links
ꢀ Computer Monitor Links
ꢀ Digital Cross Connect Links
ꢀ Central Office Switch/PBX Links
ꢀ Video Links
ꢀ Modems and Multiplexers
ꢀ Suitable for Tempest Systems
ꢀ Industrial Control Links
ST® is a registered trademark of AT&T.
HCS® is a registered trademark of the OFS Corporation.
HFBR-0400Z Series Part Number Guide
aa
HFBR-x4xx
Z
1
2
Transmitter
Receiver
RoHS Compliant
T
Threaded port option
C
Conductive port receiver option
Metal port option
4
820 nm Transmitter and Receiver
products
M
0
1
2
E
SMA, housed
ST, housed
FC, housed
SC, housed
2
4
2
5
6
TX, standard power
TX, high power
RX, 5 MBd, TTL output
TX, high light output power
RX, 125 MHz, Analog Output
Available Options
HFBR-1402Z
HFBR-1414TZ
HFBR-2402Z
HFBR-2416TCZ
HFBR-1404Z
HFBR-1414Z
HFBR-2406Z
HFBR-2416TZ
HFBR-1412TMZ
HFBR-1415TZ
HFBR-2412TCZ
HFBR-2416Z
HFBR-1412TZ
HFBR-1415Z
HFBR-2412TZ
HFBR-2422Z
HFBR-1412Z
HFBR-1424Z
HFBR-2412Z
HFBR-24E2Z
HFBR-1414MZ
HFBR-14E4Z
HFBR-2416MZ
HFBR-24E6Z
Link Selection Guide
Data rate (MBd)
Distance (m)
Transmitter
Receiver
Fiber Size (μm)
Evaluation Kit
5
1500
HFBR-14x2Z
HFBR-24x2Z
200 HCS
N/A
5
2000
2700
2200
1400
700
HFBR-14x4Z/14x5Z
HFBR-14x4Z/14x5Z
HFBR-14x4Z/14x5Z
HFBR-14x4Z/14x5Z
HFBR-14x4Z/14x5Z
HFBR-14x4Z/14x5Z
HFBR-14x4Z/14x5Z
HFBR-24x2Z
HFBR-24x6Z
HFBR-24x6Z
HFBR-24x6Z
HFBR-24x6Z
HFBR-24x6Z
HFBR-24x6Z
62.5/125
62.5/125
62.5/125
62.5/125
62.5/125
62.5/125
62.5/125
HFBR-0410Z
HFBR-0414Z
HFBR-0414Z
HFBR-0414Z
HFBR-0416Z
HFBR-0416Z
HFBR-0416Z
20
32
55
125
155
160
600
500
For additional information on specific links see the following individual link descriptions. Distances measured over temperature range from 0 to
+70 °C.
The HFBR-1415Z can be used for increased power budget or for lower driving current for the same Data-Rates and Link-Distances.
2
Applications Support Guide
This section gives the designer information necessary to
use the HFBR-0400Z series components to make a func-
tional fiber optic transceiver.
Avago Technologies offers a wide selection of evaluation
kits for hands-on experience with fiber optic products as
well as a wide range of application notes complete with
circuit diagrams and board layouts.
Furthermore, Avago Technologies application support
group is always ready to assist with any design consid-
eration.
Application Literature
Title
Description
HFBR-0400Z Series Reliability Data
Transmitter & Receiver Reliability Data
Application Bulletin 78
Application Note 1038
Application Note 1065
Application Note 1073
Application Note 1086
Application Note 1121
Application Note 1122
Application Note 1123
Application Note 1137
Application Note 1383
Low Cost Fiber Optic Links for Digital Applications up to 155 MBd
Complete Fiber Solutions for IEEE 802.3 FOIRL, 10Base-FB and 10Base-FL
Complete Solutions for IEEE 802.5J Fiberoptic Token Ring
HFBR-0219 Test Fixture for 1x9 Fiber Optic Transceivers
Optical Fiber Interconnections in Telecommunication Products
DC to 32 MBd Fiberoptic Solutions
2 to 70 MBd Fiberoptic Solutions
20 to 160 MBd Fiberoptic Solutions
Generic Printed Circuit Layout Rules
Cost Effective Fiber and Media Conversion for 100Base-SX
3
HFBR-0400Z Series Evaluation Kits
Package and Handling Information
Package Information
HFBR-0410Z ST Evaluation Kit
Contains the following:
All HFBR-0400Z Series transmitters and receivers are
housed in a low-cost, dual-inline package that is made
of high strength, heat resistant, chemically resistant,
and UL 94V-O flame retardant ULTEM® plastic (UL File
#E121562). The transmitters are easily identified by the
light grey color connector port. The receivers are easily
identified by the dark grey color connector port. (Black
color for conductive port). The package is designed for
auto-insertion and wave soldering so it is ideal for high
volume production applications.
ꢀ One HFBR-1412Z transmitter
ꢀ One HFBR-2412Z five megabaud TTL receiver
ꢀ Three meters of ST connectored 62.5/125 μm fiber
optic cable with low cost plastic ferrules.
ꢀ Related literature
HFBR-0414Z ST Evaluation Kit
Includes additional components to interface to the trans-
mitter and receiver as well as the PCB to reduce design
time. Contains the following:
Handling and Design Information
Each part comes with a protective port cap or plug cov-
ering the optics. These caps/plugs will vary by port style.
When soldering, it is advisable to leave the protective
cap on the unit to keep the optics clean. Good system
performance requires clean port optics and cable ferrules
to avoid obstructing the optical path.
ꢀ One HFBR-1414TZ transmitter
ꢀ One HFBR-2416TZ receiver
ꢀ Three meters of ST connectored 62.5/125 μm fiber
optic cable
ꢀ Printed circuit board
ꢀ ML-4622 CP Data Quantizer
ꢀ 74ACTllOOON LED Driver
ꢀ LT1016CN8 Comparator
ꢀ 4.7 μH Inductor
Clean compressed air often is sufficient to remove parti-
cles of dirt; methanol on a cotton swab also works well.
ꢀ Related literature
Recommended Chemicals for Cleaning/Degreasing
HFBR-0400Z Products
HFBR-0400Z SMA Evaluation Kit
Alcohols: methyl, isopropyl, isobutyl.
Aliphatics: hexane, heptane, Other: soap solution, naph-
tha.
Contains the following:
ꢀ One HFBR-1402Z transmitter
ꢀ One HFBR-2402Z five megabaud TTL receiver
ꢀ Two meters of SMA connectored 1000 μm plastic opti-
cal fiber
Do not use partially halogenated hydrocarbons such
as 1,1.1 trichloroethane, ketones such as MEK, acetone,
chloroform, ethyl acetate, methylene dichloride, phenol,
methylene chloride, or N-methylpyrolldone. Also, Avago
Technologies does not recommend the use of cleaners
that use halogenated hydrocarbons because of their
potential environmental harm.
ꢀ Related literature
HFBR-0416Z Evaluation Kit
Contains the following:
ꢀ One fully assembled 1x9 transceiver board for 155
MBd evaluation including:
- HFBR-1414Z transmitter
- HFBR-2416Z receiver
- circuitry
ꢀ Related literature
Ultem® is a registered Trademark of the GE corporation.
4
Mechanical Dimensions - SMA Port
HFBR-x40xZ
1/4 - 36 UNS 2A THREAD
12.7
(0.50)
22.2
(0.87)
6.35
(0.25)
12.7
(0.50)
6.4
(0.25)
10.2
(0.40)
3.6
(0.14)
DIA.
5.1
(0.20)
3.81
(0.15)
1.27
(0.05)
2.54
(0.10)
PINS 1,4,5,8
0.51 X 0.38
2.54
(0.020 X 0.015)
(0.10)
PINS 2,3,6,7
0.46
(0.018)
DIA.
PIN NO. 1
INDICATOR
Mechanical Dimensions - ST Port
HFBR-x41xZ
12.7
(0.50)
8.2
(0.32)
27.2
(1.07)
6.35
(0.25)
12.7
(0.50)
7.0
(0.28)
10.2
(0.40)
3.6
(0.14)
DIA.
5.1
(0.20)
3.81
(0.15)
1.27
(0.05)
2.54
(0.10)
PINS 1,4,5,8
0.51 X 0.38
(0.020 X 0.015)
2.54
(0.10)
PINS 2,3,6,7
0.46
(0.018)
DIA.
PIN NO. 1
INDICATOR
5
Mechanical Dimensions - Threaded ST Port
HFBR-x41xTZ
5.1
(0.20)
12.7
(0.50)
8.4
(0.33)
27.2
(1.07)
7.6
(0.30)
6.35
(0.25)
12.7
(0.50)
7.1
(0.28)
10.2
(0.40)
DIA.
3.6
(0.14)
5.1
(0.20)
3/8 - 32 UNEF - 2A
3.81
1.27
(0.05)
(0.15)
2.54
(0.10)
DIA.
PINS 1,4,5,8
0.51 X 0.38
(0.020 X 0.015)
2.54
(0.10)
PINS 2,3,6,7
0.46
(0.018)
DIA.
PIN NO. 1
INDICATOR
Mechanical Dimensions - FC Port
HFBR-x42xZ
M8 x 0.75 6G
THREAD (METRIC)
12.7
(0.50)
19.6
(0.77)
12.7
(0.50)
7.9
(0.31)
10.2
(0.40)
3.6
(0.14)
5.1
(0.20)
3.81
(0.15)
2.5
(0.10)
2.5
(0.10)
PIN NO. 1
INDICATOR
6
Mechanical Dimensions - SC Port
HFBR-x4ExZ
28.65
(1.128)
6.35
12.7
(0.25)
(0.50)
10.38
(0.409)
10.0
(0.394)
3.60
(0.140)
5.1
(0.200)
15.95
(0.628)
3.81
(0.15)
1.27
(0.050)
2.54
(0.10)
2.54
(0.100)
12.7
(0.500)
7
LED OR DETECTOR IC
LENS–SPHERE
(ON TRANSMITTERS ONLY)
HOUSING
LENS–WINDOW
CONNECTOR PORT
HEADER
EPOXY BACKFILL
PORT GROUNDING PATH INSERT
Figure 1. HFBR-0400Z ST Series Cross-Sectional View.
Panel Mount Hardware
HFBR-4401Z: for SMA Ports
HFBR-4411Z: for ST Ports
1/4 - 36 UNEF -
2B THREAD
PART
NUMBER
3/8 - 32 UNEF -
2B THREAD
0.2 IN.
DATE CODE
7.87
DIA.
12.70
DIA.
(0.310)
(0.50)
1.65
1.65
(0.065)
3/8 - 32 UNEF -
2A THREADING
(0.065)
HEX-NUT
HEX-NUT
1 THREAD
AVAILABLE
7.87 TYP.
(0.310) DIA.
14.27 TYP.
(0.563) DIA.
WALL
NUT
6.61
DIA.
10.41 MAX.
(0.410) DIA.
0.14
(0.005)
(0.260)
0.46
(0.018)
WASHER
WASHER
WASHER
(Each HFBR-4401Z and HFBR-4411Z kit consists of 100 nuts and 100 washers).
Port Cap Hardware
HFBR-4402Z: 500 SMA Port Caps
HFBR-4120Z: 500 ST Port Plugs (120 psi)
8
Options
In addition to the various port styles available for the
HFBR- 0400Z series products, there are also several extra
options that can be ordered. To order an option, simply
place the corresponding option number at the end of the
part number. See page 2 for available options.
Option T (Threaded Port Option)
ꢀ Allows ST style port components to be panel mount-
ed.
ꢀ Compatible with all current makes of ST® multimode
connectors
ꢀ Mechanical dimensions are compliant with MIL-STD-
83522/13
ꢀ Maximum wall thickness when using nuts and wash-
ers from the HFBR-4411Z hardware kit is 2.8 mm (0.11
inch)
ꢀ Available on all ST ports
Option C (Conductive Port Receiver Option)
ꢀ Designed to withstand electrostatic discharge (ESD) of
25 kV to the port
ꢀ Significantly reduces effect of electromagnetic inter-
ference (EMI) on receiver sensitivity
ꢀ Allows designer to separate the signal and conductive
port grounds
ꢀ Recommended for use in noisy environments
ꢀ Available on SMA and threaded ST port style receivers
only
Option M (Metal Port Option)
ꢀ Nickel plated aluminum connector receptacle
ꢀ Designed to withstand electrostatic discharge (ESD) of
15 kV to the port
ꢀ Significantly reduces effect of electromagnetic inter-
ference (EMI) on receiver sensitivity
ꢀ Allows designer to separate the signal and metal port
grounds
ꢀ Recommended for use in very noisy environments
ꢀ Available on SMA, ST, and threaded ST ports
9
Typical Link Data
HFBR-0400Z Series
Description
The following technical data is taken from 4 popular links
using the HFBR-0400Z series: the 5 MBd link, Ethernet 20
MBd link, Token Ring 32 MBd link, and the corresponds
to transceiver solutions combining the HFBR-0400Z se-
ries components and various recommended transceiver
design circuits using off-the-shelf electrical components.
This data is meant to be regarded as an example of typi-
cal link performance for a given design and does not call
out any link limitations. Please refer to the appropriate
application note given for each link to obtain more in-
formation.
5 MBd Link (HFBR-14xxZ/24x2Z)
Link Performance -40 °C to +85 °C unless otherwise specified
Parameter
Symbol
Min.
Typ.
Max.
Units
Conditions
Reference
Optical Power Budget
with 50/125 μm fiber
OPB50
4.2
9.6
dB
HFBR-14x4Z/24x2Z
NA = 0.2
Note 1
Optical Power Budget
with 62.5/125 μm fiber
OPB62.5
OPB100
OPB200
15
15
20
dB
dB
dB
HFBR-14x4Z/24x2Z
NA = 0.27
Note 1
Note 1
Note 1
Note 2
8.0
Optical Power Budget
with 100/140 μm fiber
8.0
HFBR-14x2Z/24x2Z
NA = 0.30
Optical Power Budget
with 200 μm fiber
HFBR-14x2Z/24x2Z
NA = 0.37
12
Date Rate Synchronous
Asynchronous
dc
dc
5
MBd
MBd
2.5
Note 3,
Fig 7
Propagation Delay
LOW to HIGH
tPLH
tPHL
PLH - tPHL
BER
72
46
26
ns
ns
ns
TA = +25 °C
Figs 6, 7, 8
PR = -21 dBm peak
Propagation Delay
HIGH to LOW
Fiber cable length =
1 m
System Pulse Width
Distortion
t
Bit Error Rate
10-9
Data rate <5 Bd
PR > -24 dBm peak
Notes:
1. OPB at T = -40 to +85 °C, V = 5.0 V dc, IF ON = 60 mA. P = -24 dBm peak.
A
CC
R
2. Synchronous data rate limit is based on these assumptions: a) 50% duty factor modulation, e.g., Manchester I or BiPhase Manchester II; b)
continuous data; c) PLL Phase Lock Loop demodulation; d) TTL threshold.
3. Asynchronous data rate limit is based on these assumptions: a) NRZ data; b) arbitrary timing-no duty factor restriction; c) TTL threshold.
10
5 MBd Logic Link Design
If resistor R1 in Figure 2 is 70.4 ꢁ, a forward current I of
Maximum distance required = 400 meters. From Figure 3
the drive current should be 15 mA. From the transmitter
data V = 1.5 V (max.) at I = 15 mA as shown in Figure 9.
F
48 mA is applied to the HFBR-14x4Z LED transmitter. With
I = 48 mA the HFBR-14x4Z/24x2Z logic link is guaran-
F
F
F
teed to work with 62.5/125 μm fiber optic cable over the
entire range of 0 to 1750 meters at a data rate of dc to 5
MBd, with arbitrary data format and pulse width distor-
The curves in Figures 3, 4, and 5 are constructed assum-
ing no inline splice or any additional system loss. Should
the link consists of any in-line splices, these curves can
still be used to calculate link limits provided they are
shifted by the additional system loss expressed in dB. For
example, Figure 3 indicates that with 48 mA of transmit-
ter drive current, a 1.75 km link distance is achievable
with 62.5/125 μm fiber which has a maximum attenua-
tion of 4 dB/km. With 2 dB of additional system loss, a
1.25 km link distance is still achievable.
tion typically less than 25%. By setting R = 115 ꢁ, the
1
transmitter can be driven with I = 30 mA, if it is desired
F
to economize on power or achieve lower pulse distortion.
The following example will illustrate the technique for
selecting the appropriate value of I and R .
F
1
R1 = VCC- VF = 5V - 1.5V
IF
15 mA
R1 =233 Ω
TTL DATA OUT
HFBR-24x2Z
RECEIVER
HFBR-14xxZ
TRANSMITTER
+5 V
SELECT R1 TO SET IF
IF
R1
2
2
6
7
3
VCC
T
R
RL
6
1 K
0.1 μF
7 & 3
DATA IN
½ 75451
TRANSMISSION
DISTANCE =
NOTE:
IT IS ESSENTIAL THAT A BYPASS CAPACITOR (0.01 μF TO 0.1 μF
CERAMIC) BE CONNECTED FROM PIN 2 TO PIN 7 OF THE RECEIVER.
TOTAL LEAD LENGTH BETWEEN BOTH ENDS OF THE CAPACITOR
AND THE PINS SHOULD NOT EXCEED 20 MM.
Figure 2. Typical Circuit Configuration.
11
0
60
50
0
60
50
WORST CASE
-40 °C, +85 °C
UNDERDRIVE
-1
-2
-3
-4
-5
OVERDRIVE
-1
-2
-3
-4
-5
WORST CASE
-40 °C, +85 °C
UNDERDRIVE
40
30
40
30
OVERDRIVE
TYPICAL +25 °C
UNDERDRIVE
TYPICAL +25 °C
UNDERDRIVE
20
20
-6
-7
-8
-6
-7
-8
10
6
10
6
dB/km
4
1.5
2.8
CABLE ATTENUATION
dB/km
CABLE ATTENUATION
-9
-10
-11
-9
-10
-11
5.5
1.0
3.3
MAX (-40 °C, +85 °C)
MIN (-40 °C, +85 °C)
TYP (+25 °C)
MAX (-40 °C, +85 °C)
MIN (-40 °C, +85 °C)
TYP (+25 °C)
0
1
2
3
4
0
2
4
LINK LENGTH (km)
LINK LENGTH (km)
Figure 3. HFBR-1414Z/HFBR-2412Z Link Design Limits with 62.5/125 μm
Cable.
Figure 4. HFBR-14x2Z/HFBR-24x2Z Link Design Limits with 100/140 μm
Cable.
75
70
0
60
t
t
(TYP) @ 25°C
PLH
PHL
65
60
55
50
40
30
-1
-2
-3
WORST CASE
-40°C, +85°C
UNDERDRIVE
TYPICAL 26°C
UNDERDRIVE
50
45
40
35
30
(TYP) @ 25°C
-4
CABLE ATTENUATION
α MAX (-40°C, +85°C)
α MIN (-40°C, +85°C)
α TYP (-40°C, +85°C)
dB/km
4
1
2.8
20
-5
-6
25
20
0
0.4
0.8
1.2
1.6
2
-22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12
LINK LENGTH (km)
P
– RECEIVER POWER – dBm
R
Figure 5. HFBR-14x4Z/HFBR-24x2Z Link Design Limits with 50/125 μm
Cable.
Figure 6. Propagation Delay through System with One Meter of Cable.
55
50
45
40
35
30
25
20
-22 -21 -20 -19 -18 -17 -16 -15 -14 -13 -12
P
– RECEIVER POWER – dBm
R
Figure 7. Typical Distortion of Pseudo Random Data at 5 Mb/s.
12
PULSE
GEN
+15 V
RESISTOR VALUE AS NEEDED FOR
SETTING OPTICAL POWER OUTPUT
FROM RECEIVER END OF TEST CABLE
RS
1N4150
PULSE REPETITION
FREQ = 1 MHz
½ 75451
100 ns
100 ns
INPUT
2, 6, 7
IF 50%
3
10 W
tPHLT
tPHLT
TRANSMITTER
INPUT (IF)
IF 10 W
50%
PT
tPHL
MIN
FROM 1-METER
TEST CABLE
TIMING
ANALYSIS
EQUIPMENT
eg. SCOPE
PT -
+5 V
tPHL
MAX
tPHL
MAX
tPHL
MIN
RL
2
560
OUTPUT
+
5 V
VO
6
0.1 μF
1.5 V
0
VO
15 pF
7 & 3
HFBR-2412Z RECEIVER
Figure 8. System Propagation Delay Test Circuit and Waveform Timing Definitions.
Ethernet 20 MBd Link (HFBR-14x4Z/24x6Z)
(refer to Application Note 1038 for details)
Typical Link Performance
Parameter
Symbol
Typ [1, 2]
Units
Conditions
Receiver Sensitivity
-34.4
dBm average
20 MBd D2D2 hexadecimal data
2 km 62.5/125 μm fiber
Link Jitter
7.56
7.03
ns pk-pk
ns pk-pk
ECL Out Receiver
TTL Out Receiver
Transmitter Jitter
Optical Power
0.763
-15.2
ns pk-pk
20 MBd D2D2 hexadecimal data
PT
dBm average
20 MBd D2D2 hexadecimal data-
Peak IF,ON = 60 mA
LED Rise Time
LED Fall Time
tr
1.30
3.08
1.77
10-10
36.7
20
ns
ns
ns
1 MHz square wave input
At AUI receiver output
tf
Mean Difference
Bit Error Rate
|tr - tf|
BER
Output Eye Opening
Data Format 50% Duty Factor
Notes:
ns
MBd
1. Typical data at T = +25 °C, V = 5.0 V dc.
A
CC
2. Typical performance of circuits shown in Figure 1 and Figure 3 of AN-1038 (see applications support section).
13
Token Ring 32 MBd Link (HFBR-14x4Z/24x6Z)
(refer to Application Note 1065 for details)
Typical Link Performance
Parameter
Symbol
Typ [1, 2]
Units
Conditions
Receiver Sensitivity
-34.1
dBm average
32 MBd D2D2 hexadecimal data
2 km 62.5/125 μm fiber
Link Jitter
6.91
5.52
ns pk-pk
ns pk-pk
ECL Out Receiver
TTL Out Receiver
Transmitter Jitter
Optical Power Logic Level “0”
Optical Power Logic Level “1”
LED Rise Time
0.823
-12.2
-82.2
1.3
ns pk-pk
32 MBd D2D2 hexadecimal data
PT ON
PT OFF
tr
dBm peak
Transmitter TTL in IF ON = 60 mA,
IF OFF = 1 mA
ns
ns
ns
1 MHz square wave input
LED Fall Time
tf
3.08
1.77
10-10
32
Mean Difference
|tr - tf|
BER
Bit Error Rate
Data Format 50% Duty Factor
Notes:
MBd
1. Typical data at T = +25 °C, V = 5.0 V dc.
A
CC
2. Typical performance of circuits shown in Figure 1 and Figure 3 of AN-1065 (see applications support section)
155 MBd Link (HFBR-14x4Z/24x6Z)
(refer to Application Bulletin 78 for details)
Typical Link Performance
Parameter
Symbol
Min
Typ [1, 2]
Max
Units
Conditions
Ref
Optical Power Budget
with 50/125 μm fiber
OPB50
7.9
13.9
dB
NA = 0.2
Note 2
Optical Power Budget
with 62.5/125 μm fiber
OPB62
11.7
11.7
16.0
1
17.7
17.7
22.0
dB
NA = 0.27
NA = 0.30
NA = 0.35
Optical Power Budget
with 100/140 μm fiber
OPB100
OPB200
dB
Optical Power Budget
with 200 μm HCS fiber
dB
Data Format 20% to 80%
Duty Factor
175
MBd
ns
System Pulse Width
Distortion
|tPLH - tPHL
|
1
PR = -7 dBm peak1 m
62.5/125 μm fiber
Bit Error Rate
BER
10-9
Data rate < 100
MBaud
PR > -31 dBm peak
Note 2
Notes:
1. Typical data at T = +25 °C, V = 5.0 V dc, PECL serial interface.
A
CC
2. Typical OPB was determined at a probability of error (BER) of 10-9. Lower probabilities of error can be achieved with short fibers that have
less optical loss.
14
HFBR-14x2Z/14x4Z Low-Cost High-Speed Transmitters
Description
Housed Product
PIN
11
2
32
41
51
6
72
81
FUNCTION
NC
ANODE
CATHODE
NC
2, 6, 7
ANODE
The HFBR-14xxZ fiber optic transmitter contains an 820
nm AlGaAs emitter capable of efficiently launching opti-
cal power into four different optical fiber sizes: 50/125
μm, 62.5/125 μm, 100/140 μm, and 200 μm HCS®. This
allows the designer flexibility in choosing the fiber size.
The HFBR-14xxZ is designed to operate with the Avago
Technologies HFBR-24xxZ fiber optic receivers.
3
CATHODE
NC
ANODE
ANODE
NC
4 5
3 6
2 7
1 8
BOTTOM VIEW
The HFBR-14xxZ transmitter’s high coupling efficiency
allows the emitter to be driven at low current levels
resulting in low power consumption and increased reli-
ability of the transmitter. The HFBR-14x4Z high power
transmitter is optimized for small size fiber and typically
can launch -15.8 dBm optical power at 60 mA into 50/125
μm fiber and -12 dBm into 62.5/125 μm fiber. The HFBR-
14x2Z standard transmitter typically can launch -12 dBm
of optical power at 60 mA into 100/140 μm fiber cable. It
is ideal for large size fiber such as 100/140 μm. The high
launched optical power level is useful for systems where
star couplers, taps, or inline connectors create large fixed
losses.
PIN 1 INDICATOR
NOTES:
1. PINS 1, 4, 5 AND 8 ARE ELECTRICALLY CONNECTED.
2. PINS 2, 6 AND 7 ARE ELECTRICALLY CONNECTED TO THE HEADER.
Consistent coupling efficiency is assured by the double-
lens optical system (Figure 1). Power coupled into any of
the three fiber types varies less than 5 dB from part to
part at a given drive current and temperature. Consistent
coupling efficiency reduces receiver dynamic range re-
quirements which allows for longer link lengths.
Regulatory Compliance - Targeted Specifications
Feature
Test Method
Performance
Electrostatic Discharge (ESD)
MIL-STD-883 Method 3015
Class 1B (>500, <1000 V) - Human Body Model
Absolute Maximum Ratings
Parameter
Symbol
Min
Max
Units
Reference
Storage Temperature
TS
-55
+85
ꢂC
Operating Temperature
TA
-40
+85
ꢂC
Lead Soldering Cycle
Temp
Time
+260
10
ꢂC
sec
Forward Input Current
Peak
dc
IFPK
IFdc
200
100
mA
mA
Note 1
Reverse Input Voltage
VBR
1.8
V
15
Electrical/Optical Specifications -40 °C to +85 °C unless otherwise specified.
2
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Reference
Forward Voltage
VF
1.48
1.70
1.84
2.09
V
IF = 60 mA dc
IF = 100 mA dc
Figure 9
Forward Voltage Temperature
Coefficient
ꢃVF/ꢃT
-0.22
-0.18
mV/ꢂC
IF = 60 mA dc
IF = 100 mA dc
Figure 9
Reverse Input Voltage
Peak Emission Wavelength
Diode Capacitance
VBR
lP
1.8
3.8
820
55
V
IF = 100 μA dc
792
865
nm
pF
CT
V = 0, f = 1 MHz
Optical Power Temperature
Coefficient
ꢃPT/ꢃT
-0.006
-0.010
dB/ꢂC
I = 60 mA dc
I = 100 mA dc
Thermal Resistance
ꢄJA
NA
NA
D
260
0.49
0.31
290
150
ꢂC/W
Notes 3, 8
14x2Z Numerical Aperture
14x4Z Numerical Aperture
14x2Z Optical Port Diameter
14x4Z Optical Port Diameter
μm
μm
Note 4
Note 4
D
HFBR-14x2Z Output Power Measured Out of 1 Meter of Cable
Parameter
Symbol
Min
Typ
Max
ꢀ16.8
ꢀ15.8
ꢀ14.4
ꢀ13.8
ꢀ14.0
ꢀ13.0
ꢀ11.6
ꢀ11.0
ꢀ10
Units
Conditions
Reference
P
50/125 ꢅm Fiber Cable
-21.8
-22.8
-20.3
-21.9
-19.0
-20.0
-17.5
-19.1
-15.0
-16.0
-13.5
-15.1
ꢀ10.0
-11.0
-8.5
-18.8
dBm peak
dBm peak
dBm peak
dBm peak
TA = +25 °C,
IF = 60mA dc
Notes 5, 6, 9
T50
-16.8
-16.0
-14.0
-12.0
-10.0
ꢀ7.0
TA = +25 °C,
IF = 100mA dc
P
62.5/125 ꢅm Fiber Cable
100/140 ꢅm Fiber Cable
200 ꢅm HCS Fiber Cable
TA = +25 °C,
IF = 60mA dc
T62
TA = +25 °C,
IF = 100mA dc
P
TA = +25 °C,
IF = 60mA dc
T100
ꢀ9.0
ꢀ7.6
TA = +25 °C,
IF = 100mA dc
ꢀ7.0
P
ꢀ5.0
TA = +25 °C,
IF = 60mA dc
T200
ꢀ4.0
-5.0
-2.6
TA = +25 °C,
IF = 100mA dc
-10.1
-2.0
CAUTION: The small junction sizes inherent to the design of these components increase the components’ susceptibility
to damage from electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling and
assembly of these components to prevent damage and/or degradation which may be induced by ESD.
16
HFBR-14x4Z Output Power Measured out of 1 Meter of Cable
2
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Reference
50/125 μm Fiber Cable
NA = 0.2
PT50
-18.8
-19.8
-15.8
-13.8
-12.8
dBm
peak
TA = +25 °C,
IF = 60mA dc
Notes 5, 6, 9
-17.3
-18.9
-13.8
-12.0
-10.0
-8.5
-11.4
-10.8
TA = +25 °C,
IF = 100 mA dc
62.5/125 μm Fiber Cable
NA = 0.275
PT62
-15.0
-16.0
-10.0
-9.0
dBm
peak
TA = +25 °C,
IF = 60mA dc
-13.5
-15.1
-7.6
-7.0
TA = +25 °C,
IF = 100 mA dc
100/140 μm Fiber Cable
NA = 0.3
PT100
-11.5
-12.5
-6.5
-5.5
dBm
peak
TA = +25 °C,
IF = 60mA dc
-10.0
-11.6
-6.5
-4.1
-3.5
TA = +25 °C,
IF = 100 mA dc
200 μm HCS Fiber Cable
NA = 0.37
PT200
-7.5
-8.5
-4.5
-2.5
-1.5
dBm
peak
TA = +25 °C,
IF = 60mA dc
-6.0
-7.6
-2.5
-0.1
0.5
TA = +25 °C,
IF = 100 mA dc
HFBR-14x5Z Output Power Measured out of 1 Meter of Cable
Parameter
Symbol
Min
Typ
Max
Units
Conditions
200μm Fiber Cable
NA = 0.37
PT200
-6.0
-3.6
0.0
dBm peak
dBm peak
dBm peak
dBm peak
dBm peak
dBm peak
TA = +25°C, IF = 60mA
-7.0
1.0
TA = -40°C to 85°C, IF = 60mA
TA = +25°C, IF = 60mA
62.5/125μm Fiber Cable
NA = 0.275
PT62
PT50
-12.0
-13.0
-16.5
-17.5
-10.5
-14.3
-8.0
-7.0
-11.5
-10.5
TA = -40°C to 85°C, IF = 60mA
TA = +25°C, IF = 60mA
50/125μm Fiber Cable
NA = 0.2
TA = -40°C to 85°C, IF = 60mA
14x2Z/14x4Z/14x5Z Dynamic Characteristics
2
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Reference
Rise Time, Fall Time
(10% to 90%)
tr, tf
4.0
3.0
0.5
6.5
nsec
No pre-bias
IF = 60 mA
Figure 12
Note 7
Rise Time, Fall Time
(10% to 90%)
tr, tf
nsec
nsec
IF = 10 to 100 mA
Note 7,
Figure 11
Pulse Width Distortion
PWD
Figure 11
Notes:
1. For I > 100 mA, the time duration should not exceed 2 ns.
FPK
2. Typical data at T = +25 °C.
A
3. Thermal resistance is measured with the transmitter coupled to a connector assembly and mounted on a printed circuit board.
4. D is measured at the plane of the fiber face and defines a diameter where the optical power density is within 10 dB of the maximum.
5. P is measured with a large area detector at the end of 1 meter of mode stripped cable, with an ST® precision ceramic ferrule (MILSTD-
T
83522/13) for HFBR-1412Z/1414Z, and with an SMA 905 precision ceramic ferrule for HFBR-1402Z/1404Z.
6. When changing mW to dBm, the optical power is referenced to 1 mW (1000 mW). Optical Power P (dBm) = 10 log P (mW)/1000 mW.
7. Pre-bias is recommended if signal rate >10 MBd, see recommended drive circuit in Figure 11.
8. Pins 2, 6 and 7 are welded to the anode header connection to minimize the thermal resistance from junction to ambient. To further reduce
the thermal resistance, the anode trace should be made as large as is consistent with good RF circuit design.
9. Fiber NA is measured at the end of 2 meters of mode stripped fiber, using the far-field pattern. NA is defined as the sine of the half angle,
determined at 5% of the peak intensity point. When using other manufacturer’s fiber cable, results will vary due to differing NA values and
specification methods.
17
All HFBR-14XXZ LED transmitters are classified as IEC 825-1 Accessible Emission Limit (AEL) Class 1 based upon the current
proposed draft scheduled to go in to effect on January 1, 1997. AEL Class 1 LED devices are considered eye safe. Contact your
Avago Technologies sales representative for more information.
CAUTION: The small junction sizes inherent to the design of these components increase the components’ susceptibility to
damage from electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling and assembly of
these components to prevent damage and/or degradation which may be induced by ESD.
Recommended Drive Circuits
tortion of less than 1 ns. This circuit is recommended for
applications requiring low edge jitter or high-speed data
transmission at signal rates of up to 155 MBd. Component
values for this circuit can be calculated for different LED
drive currents using the equations shown below. For
additional details about LED drive circuits, the reader is
encouraged to read Avago Technologies Application Bul-
letin 78 and Application Note 1038.
The circuit used to supply current to the LED transmitter
can significantly influence the optical switching charac-
teristics of the LED. The optical rise/fall times and propa-
gation delays can be improved by using the appropriate
circuit techniques. The LED drive circuit shown in Figure
11 uses frequency compensation to reduce the typical
rise/fall times of the LED and a small pre-bias voltage to
minimize propagation delay differences that cause pulse-
width distortion. The circuit will typically produce rise/fall
times of 3 ns, and a total jitter including pulse-width dis-
RY (VCC - VF) +3.97(VCC - VF - 1.6V)
IF ON (A)
(5 - 1.84)+3.97(5- 1.84- 1.6)
RY =
0.100
3.16+6.19
1
RY
RY =
= 93.5Ω
RX1 =
2(3.97)
0.100
1 93.5
REQ2(Ω) = RX1 - 1
RX1 =
=11.8Ω
2(3.97)
RX2 = RX3 =RX4 =3(REQ2)
REQ2 =11.8-1=10.8Ω
RX2 =RX3 =RX4 =3(10.8) =32.4Ω
2000ps
2000ps
C(pF) =
RX1(Ω)
Example for IF ON =100mA :
C =
=169pF
11.8Ω
VF can beobtained from Figure 9(=1.84 V).
18
100
80
2.0
1.8
1.6
1.4
1.2
1.0
0.8
0.6
0.4
0.2
3.0
2.0
+85 °C
+25 °C
1.4
1.0
0.8
60
-40 °C
0
40
20
10
-1.0
-2.0
-3.0
-4.0
-5.0
-7.0
0
0
10 20 30 40 50 60 70 80 90 100
– FORWARD CURRENT – mA
2.2
1.8
2.0
1.2
1.4
1.6
I
F
VI - FORWARD VOLTAGE - V
Figure 10. Normalized Transmitter Output vs. Forward Current.
Figure 9. Forward Voltage and Current Characteristics.
+5 V
0.1 μF
+
4.7 μF
¼
Ry
12, 13
16
74F3037
2
1
3
15
14
RX2
RX1
4, 5
¼ 74F3037
C
10
11
¼ 74F3037
RX3
9
5
HFBR-14x2Z/x4Z
8
7
RX4
¼ 74F3037
Figure 11. Recommended Drive Circuit.
HP8082A
PULSE
GENERATOR
SILICON
AVALANCHE
PHOTODIODE
50 Ω
TEST
HEAD
HIGH SPEED
OSCILLOSCOPE
50 Ω
LOAD
RESISTOR
Figure 12. Test Circuit for Measuring tr, tf.
19
HFBR-24x2Z Low-Cost 5 MBd Receiver
Description
Housed Product
2
6
Vcc
DATA
PIN
11
2
FUNCTION
NC
The HFBR-24x2Z fiber optic receiver is designed to oper-
ate with the Avago Technologies HFBR-14xxZ fiber optic
transmitter and 50/125 μm, 62.5/125 μm, 100/ 140 μm,
and 200 μm HCS® fiber optic cable. Consistent coupling
into the receiver is assured by the lensed optical system
(Figure 1). Response does not vary with fiber size ꢆ 0.100
μm.
7 & 3
V
CC (5 V)
COMMON
32
41
51
6
COMMON
NC
NC
DATA
COMMON
NC
4 5
3 6
2 7
1 8
72
81
BOTTOM VIEW
NOTES:
PIN 1 INDICATOR
The HFBR-24x2Z receiver incorporates an integrated
photo IC containing a photodetector and dc amplifier
driving an opencollector Schottky output transistor. The
HFBR-24x2Z is designed for direct interfacing to popular
logic families. The absence of an internal pull-up resistor
allows the open-collector output to be used with logic
families such as CMOS requiring voltage excursions much
1. PINS 1, 4, 5 AND 8 ARE ELECTRICALLY CONNECTED.
2. PINS 3 AND 7 ARE ELECTRICALLY CONNECTED TO THE HEADER.
higher than V
.
CC
Both the open-collector“Data”output Pin 6 and V Pin 2
CC
are referenced to“Com”Pin 3, 7. The“Data”output allows
busing, strobing and wired “OR” circuit configurations.
The transmitter is designed to operate from a single +5
V supply. It is essential that a bypass capacitor (0.1 mF
ceramic) be connected from Pin 2 (V ) to Pin 3 (circuit
CC
common) of the receiver.
Absolute Maximum Ratings
Parameter
Symbol
Min
Max
Units
Reference
Storage Temperature
TS
-55
+85
°C
Operating Temperature
TA
-40
+85
°C
Lead Soldering Cycle
Temp
Time
+260
10
°C
sec
Note 1
Supply Voltage
Output Current
Output Voltage
VCC
IO
-0.5
-0.5
7.0
25
V
mA
V
VO
18.0
Output Collector Power Dissipation
Fan Out (TTL)
PO AV
N
40
5
mW
Note 2
20
Electrical/Optical Characteristics -40 °C to + 85 °C unless otherwise specified
Fiber sizes with core diameter ꢆ 100 μm and NA ꢆ 0.35, 4.75 V ꢆV ꢆ 5.25 V
CC
3
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Reference
High Level Output Current
IOH
5
250
μA
VO = 18
PR < -40 dBm
Low Level Output Voltage
High Level Supply Current
Low Level Supply Current
VOL
ICCH
ICCL
0.4
3.5
6.2
0.5
6.3
10
V
IO = 8 m
PR > -24 dBm
mA
mA
VCC = 5.25 V
PR < -40 dBm
VCC = 5.25 V
PR > -24 dBm
Equivalent NA
NA
D
0.50
400
Optical Port Diameter
μm
Note 4
Dynamic Characteristics
-40 °C to +85 °C unless otherwise specified; 4.75 V ꢆV ꢆ 5.25 V; BER ꢆ 10
Parameter
-9
CC
3
Symbol
Min
Typ
Max
Units
Conditions
Reference
Peak Optical Input Power Logic Level PRH
HIGH
-40
0.1
dBm pk
μW pk
ꢇP = 820 nm
Note 5
Peak Optical Input Power Logic Level PRL
LOW
-25.4
2.9
-9.2
120
dBm pk
μW pk
TA = +25 °C,
IOL = 8mA
Note 5
Note 6
-24.0
4.0
-10.0
100
dBm pk
μW pk
IOL = 8mA
Propagation Delay LOW to HIGH
Propagation Delay HIGH to LOW
tPLHR
tPHLR
65
49
ns
ns
TA = +25 °C,
PR = -21 dBm,
Data Rate =5
MBd
Notes:
1. 2.0 mm from where leads enter case.
2. 8 mA load (5 x 1.6 mA), RL = 560 ꢁ.
3. Typical data at T = +25 °C, V = 5.0 Vdc.
A
CC
4. D is the effective diameter of the detector image on the plane of the fiber face. The numerical value is the product of the actual detector di-
ameter and the lens magnification.
5. Measured at the end of 100/140 ꢅm fiber optic cable with large area detector.
6. Propagation delay through the system is the result of several sequentially-occurring phenomena. Consequently it is a combination of data-
rate-limiting effects and of transmission-time effects. Because of this, the data-rate limit of the system must be described in terms of time
differentials between delays imposed on falling and rising edges.
7. As the cable length is increased, the propagation delays increase at 5 ns per meter of length. Data rate, as limited by pulse width distortion, is
not affected by increasing cable length if the optical power level at the receiver is maintained.
CAUTION: The small junction sizes inherent to the design of these components increase the components’ susceptibility to damage
from electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling and assembly of these compo-
nents to prevent damage and/or degradation which may be induced by ESD.
21
HFBR-24x6Z Low-Cost 125 MHz Receiver
Description
The HFBR-24x6Z fiber optic receiver is designed to oper-
ate with the Avago Technologies HFBR-14xxZ fiber optic
transmitters and 50/ 125 μm, 62.5/125 μm, 100/140 μm
emitter follower. Because the signal amplitude from the
HFBR-24x6Z receiver is much larger than from a simple
PIN photodiode, it is less susceptible to EMI, especially
and 200 μm HCS® fiber optic cable. Consistent coupling at high signaling rates. For very noisy environments,
into the receiver is assured by the lensed optical system the conductive or metal port option is recommended.
(Figure 1). Response does not vary with fiber size for core A receiver dynamic range of 23 dB over temperature is
diameters of 100 μm or less.
achievable (assuming 10-9 BER).
The receiver output is an analog signal which allows
The frequency response is typically dc to 125 MHz.
follow-on circuitry to be optimized for a variety of dis- Although the HFBR-24x6Z is an analog receiver, it is
tance/data rate requirements. Low-cost external compo-
compatible with digital systems. Please refer to Applica-
nents can be used to convert the analog output to logic tion Bulletin 78 for simple and inexpensive circuits that
compatible signal levels for various data formats and operate at 155 MBd or higher.
data rates up to 175 MBd. This distance/data rate trade-
The recommended ac coupled receiver circuit is shown
off results in increased optical power budget at lower
in Figure 14. It is essential that a 10 ohm resistor be con-
data rates which can be used for additional distance or
nected between pin 6 and the power supply, and a 0.1
splices.
mF ceramic bypass capacitor be connected between the
The HFBR-24x6Z receiver contains a PIN photodiode power supply and ground. In addition, pin 6 should be
and low noise transimpedance preamplifier integrated filtered to protect the receiver from noisy host systems.
circuit. The HFBR-24x6Z receives an optical signal and Refer to AN 1038, 1065, or AB 78 for details.
converts it to an analog voltage. The output is a buffered
6
Housed Product
POSITIVE
SUPPLY
BIAS & FILTER
CIRCUITS
V
CC
6
Vcc
2
ANALOG SIGNAL
VEE
3 & 7
300 pF
2
4 5
3 6
2 7
1 8
ANALOG
SIGNAL
V
OUT
5.0
mA
BOTTOM VIEW
PIN 1 INDICATOR
3, 7
NEGATIVE
SUPPLY
NOTES:
V
EE
PIN
11
2
FUNCTION
NC
SIGNAL
VEE
NC
NC
VCC
VEE
NC
1. PINS 1, 4, 5 AND 8 ARE ISOLATED
FROM THE INTERNAL CIRCUITRY,
BUT ARE CONNECTED TO EACH OTHER.
2. PINS 3 AND 7 ARE ELECTRICALLY
CONNECTED TO THE HEADER.
Figure 13. Simplified Schematic Diagram.
32
41
51
6
72
81
CAUTION: The small junction sizes inherent to the design of these components increase the components’ susceptibility to damage
from electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling and assembly of these compo-
nents to prevent damage and/or degradation which may be induced by ESD.
22
Absolute Maximum Ratings
Parameter
Symbol
Min
Max
Units
Reference
Storage Temperature
TS
TA
-55
-40
+85
+85
°C
°C
Operating Temperature
Lead Soldering Cycle
Temp
Time
+260
10
°C
sec
Note 1
Supply Voltage
Output Current
Signal Pin Voltage
VCC
IO
-0.5
-0.5
6.0
25
V
mA
V
VSIG
VCC
Electrical/Optical Characteristics -40 °C to +85 °C; 4.75 V ꢆ Supply Voltage ꢆ 5.25 V,
R
= 511 ꢁ, Fiber sizes with core diameter ꢆ 100 ꢅm, and N.A. ꢆ 0.35 unless otherwise specified.
LOAD
2
Parameter
Symbol
Min
Typ
Max
Units
Conditions
Reference
Responsivity
RP
5.3
7
9.6
mV/μW
TA = +25 °C @
820 nm, 50 MHz Figure 18
Note 3, 4
4.5
11.5
0.59
mV/μW
mV
RMS Output Noise Voltage
VNO
0.40
Bandwidth
filtered @ 75
MHz
Note 5
PR = 0 μW
0.70
mV
Unfiltered
bandwidth
PR = 0 μW
Figure 15
Equivalent Input Optical
Noise Power (RMS)
PN
PR
-43.0
-41.4
dBm
μW
Bandwidth
Filtered @
75MHz
0.050
0.065
Optical Input Power
(Overdrive)
-7.6
175
dBm pk
μW pk
TA = +25 °C
Note 6
Figure 16
-8.2
150
dBm pk
μW pk
Output Impedance
ZO
30
ꢁ
Test Frequency
= 50 MHz
dc Output Voltage
Power Supply Current
Equivalent NA
VO dc
IEE
-4.2
-3.1
9
-2.4
15
V
PR = 0 μW
mA
RLOAD = 510 ꢁ
NA
D
0.35
324
Equivalent Diameter
μm
Note 7
CAUTION: The small junction sizes inherent to the design of these components increase the components’ susceptibility to damage
from electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling and assembly of these compo-
nents to prevent damage and/or degradation which may be induced by ESD.
23
Dynamic Characteristics
-40 °C to +85 °C; 4.75 V ꢆ Supply Voltage ꢆ 5.25 V; R = 511 ꢁ, C = 5 pF unless otherwise specified
LOAD
LOAD
2
Parameter
Symbol
tr, tf
Min
Typ
3.3
0.4
Max
Units
ns
Conditions
Reference
Rise/Fall Time 10% to 90%
Pulse Width Distortion
6.3
2.5
PR = 100 μW peak Figure 17
PWD
ns
PR = 150 μW peak Note 8,
Figure 16
Overshoot
2
%
PR = 5 μW peak,
tr = 1.5 ns
Note 9
Bandwidth (Electrical)
BW
125
MHz
-3 dB Electrical
Note 10
Bandwidth - Rise Time Product
0.41
Hz • s
Notes:
1. 2.0 mm from where leads enter case.
2. Typical specifications are for operation at T = +25 °C and V = +5 V dc.
A
CC
3. For 200 μm HCS fibers, typical responsivity will be 6 mV/mW. Other parameters will change as well.
4. Pin #2 should be ac coupled to a load ³ 510 ohm. Load capacitance must be less than 5 pF.
5. Measured with a 3 pole Bessel filter with a 75 MHz, -3 dB bandwidth. Recommended receiver filters for various bandwidths are provided in
Application Bulletin 78.
6. Overdrive is defined at PWD = 2.5 ns.
7. D is the effective diameter of the detector image on the plane of the fiber face. The numerical value is the product of the actual detector di-
ameter and the lens magnification.
8. Measured with a 10 ns pulse width, 50% duty cycle, at the 50% amplitude point of the waveform.
9. Percent overshoot is defined as:
VPK − V100%
x 100%
(
)
V100%
10. The conversion factor for the rise time to bandwidth is 0.41 since the HFBR-24x6Z has a second order bandwidth limiting characteristic.
0.1 μF
+5 V
10 Ω
6
30 pF
2
POST
AMP
LOGIC
OUTPUT
3 & 7
R
LOADS
500 Ω MIN.
Figure 14. Recommended ac Coupled Receiver Circuit. (See AB 78 and AN 1038 for more information.)
CAUTION: The small junction sizes inherent to the design of these components increase the components’ susceptibility to damage
from electrostatic discharge (ESD). It is advised that normal static precautions be taken in handling and assembly of these compo-
nents to prevent damage and/or degradation which may be induced by ESD.
24
3.0
150
2.5
2.0
125
100
75
50
1.5
1.0
25
0
0.5
0
0
10
P
20
30
40
50
60
70 80
0
50
100
150
200
250
300
FREQUENCY – MH
– INPUT OPTICAL POWER – μW
Z
R
Figure 15. Typical Spectral Noise Density vs. Frequency.
Figure 16. Typical Pulse Width Distortion vs. Peak Input Power.
6.0
5.0
4.0
1.25
1.00
0.75
0.50
0.25
t
t
f
3.0
2.0
1.0
r
0
400 480 560 640 720 800 880 960 1040
-60 -40 -20
0
20
40
60
80 100
λ – WAVELENGTH – nm
TEMPERATURE – °C
Figure 17. Typical Rise and Fall Times vs. Temperature.
Figure 18. Receiver Spectral Response Normalized to 820 nm.
For product information and a complete list of distributors, please go to our web site:
www.avagotech.com
Avago, Avago Technologies, and the A logo are trademarks of Avago Technologies in the United States and other countries.
Data subject to change. Copyright © 2005-2011 Avago Technologies. All rights reserved. Obsoletes AV01-0264EN
AV02-0176EN - March 23, 2011
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