HFBR-0508Z Series
HFBR-1528Z Transmitter
HFBR-2528Z Receiver
10 Megabaud Versatile Link Fiber Optic Transmitter
and Receiver for 1 mm POF and 200 μm HCS®
Data Sheet
Features
RoHS-compliant
Data transmission at signal rates of dc to 10 MBd
Up to 50 meters distances with 1 mm Plastic Optical
Fiber (POF)
Up to 500 meters distances with 200 μm Hard Clad
Silica (HCS)
Wide dynamic range receiver allows operation from
zero to maximum link distance with a single transmit-
ter drive current
Link distances speci ed for variations in temperature,
power supply, and ber attenuation
DC coupled receiver with CMOS/TTL output for easy
designs: No data encoding or digitizing circuitry re-
quired
Pulse width distortion (PWD) controlled to limit dis-
tortion from low duty cycle or burst mode data
High noise immunity
Compatible with Avago’s versatile link family of con-
nectors, for easy termination of ber
Applications
Industrial control and factory automation
Serial eld buses
Intra-system links; board-to-board, rack-to-rack
Extension of RS-232, RS-485
Elimination of ground loops
High voltage isolation
Reduces voltage transient susceptibility
CAUTION: 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.
HCS is a registered trademark of OFS.
Description
The HFBR-0508Z Series consists of a ber-optic trans-
mitter and receiver operating at a 650 nm wavelength
(red). The HFBR-1528Z transmitter is an LED in a low cost
plastic housing designed to e ciently couple power
into 200 μm diameter Hard Clad Silica (HCS) and 1 mm
diameter Plastic optical ber (POF). The HFBR-2528Z re-
ceiver incor porates a PIN detec tor and digital output IC
compat ible with CMOS and TTL logic families.
HFBR-0508Z links operate from DC to 10 MBd at dis-
tances up to 50 meters with 1 mm POF and up to 500
meters with 200 μm HCS. No minimum link distances
are required when using recom mended circuits, simpli-
fying design.
Versatile Link components can be interlocked (N-plexed
together) to minimize space and to provide dual connec-
tions with the duplex connectors. Up to eight packages
can be interlocked and inserted into a printed circuit
board.
POF and HCS are available in pre-connectored lengths
or can be easily eld-terminated. A single transmitter
drive current for POF and HCS allows both bers to be
used with a single design.
2
Notes:
1. Typical data at +25°C, VCC = 5 V.
2. With recommended transmitter and receiver application circuits (60 mA nominal drive current).
3. POF is HFBR-R/EXXYYYZ plastic (1 mm) optical ber. Worst case attenuation used (0.23 dB/m from -40°C to +85°C at 660 nm).
4. HCS is HFBR-H/VXXYYYZ hard clad silica (200/230 μm) ber. Worst case attenuation is used (10 dB/km from 0°C to +70°C and 12 dB/km
from -40°C to +85°C at 650 nm).
5. BER ≤ 10-9, 223 - 1 PRBS NRZ 10 MBd.
6. For IF,PK > 60 mA, the duty factor must maintain IF, AV ≤ 60 mA and pulse with ≤ 1 μs.
7. 1.6 mm below seating plane.
8. Moisture sensitivity level (MSL) is 3 for HFBR-1528Z/HFBR-2528Z.
HFBR-0508Z Series 10 MBd Data Link
Typical Link Performance, T
A = +25°C
Parameter Symbol Typ.[1] Unit Condition Note
Signaling Rate fS 15 Mb/s NRZ 2
Link Distance with Extra Low Loss POF Cable Ld 100 m 10 MBd 2, 3, 5
Link Distance with 200 μm HCS Cable Ld 900 m 10 MBd 2, 4, 5
Speci ed Link Performance, TA = -40° to +85°C, DC to 10 MBd, unless otherwise noted.
Parameter Symbol Min. Max. Unit Condition Note
Signaling Rate fS DC 10 Mb/s NRZ 2
Link Distance with Extra Low Ld 0.1 50 m +25°C 2, 3, 5
Loss POF Cable 0.1 40 0 to +70°C
0.1 30 -40 to +85°C
Link Distance with 200 μm Ld 0.1 500 m +25°C 2, 4, 5
HCS Cable 0.1 300 0 to +70°C
0.1 100 -40 to +85°C
Pulse Width Distortion PWD -30 +30 ns 25 – 75% Duty Cycle 2
-50 +50 ns Arbitrary Duty Cycle
Absolute Maximum Ratings
Parameter Symbol Min. Max. Unit Note
Storage and Operating Temperature TS,O -40 +85 °C
Receiver Supply Voltage VCC -0.5 +5.5 V
Receiver Average Output Current IO,AVG -16 +16 mA
Receiver Output Power Dissipation POD 80 mW
Transmitter Peak Forward Input Current IF,PK 90 mA 6
Transmitter Average Forward Input Current IF,AVG 60 mA
Transmitter Reverse Input Voltage VR 3 V
Lead Soldering Cycle Temp TSOL +260 °C 7, 8
Time 10 sec 7, 8
Recommended Operating Conditions
Parameter Symbol Min. Max. Unit Condition Note
Ambient Temperature TA -40 +85 °C
Power Supply Voltage VCC 4.75 5.25 V <100 mVp-p Noise
Transmitter Peak Forward Current IF,PK 20 90 mA 6
Transmitter Average Forward Current IF,AV 60 mA
3
HFBR-1528Z Transmitter, top view
HFBR-1528Z Transmitter
The HFBR-1528Z transmitter incorporates a 650 nm LED
in a light gray, nonconductive plastic housing. The high
light output power enables the use of both plastic optical
ber (POF) and Hard Clad Silica (HCS) ber. This transmit-
ter can be operated up to 10 MBd using a simple driver
circuit. The HFBR-1528Z is com pat ible with all Versatile
Link connectors.
Electrical and Optical Characteristics: TA = -40° to +85°C unless otherwise noted.
Parameter Symbol Min. Typ.[1] Max. Units T
A (°C) Conditions Note
Peak Output Power PT -6.0 -3.5 0.0 dBm +25 IF, dc = 60 mA 2, 3
-6.9 +0.5 0 to +70
-7.2 +1.3 -40 to +85
Peak Output Power PT -15.6 -9.0 -2.0 dBm +25 IF,dc = 20 mA 2, 3
-16.5 -1.5 0 to +70
-16.8 -0.7 -40 to +85
Peak Output Power PT -16.1 -12.5 -8.5 dBm +25 IF,dc = 60 mA 2, 3
-17.0 -8.0 0 to +70
-17.3 -7.2 -40 to +85
Optical Power Tem- ΔPT/ΔT -0.40 %/°C
-0.02 dB/°C
Peak Emission P 640 650 660 nm 0 to +70
635 662 -40 to +85
Peak Wavelength Δ/ΔT 0.12 nm/°C
Temperature
Coe cient
Spectral Width FWHM 21 nm Fig. 3
Forward Voltage VF 1.8 2.1 2.65 V IF,dc = 60 mA Fig. 1
Forward Voltage Tem- ΔVF/ΔT -1.8 mV/°C Fig. 1
perature Coe cient
Reverse Input Break- VBR 3.0 13 V IF,dc = -10 μA
down Voltage
Diode Capacitance CO 60 pF VF = 0 V,
f = 1 MHz
Transmitter NA 0.5
Numerical Aperture
Thermal Resistance, jc 140 °C/W 4
Junction to Case
Optical Rise Time tr 13 ns 10% to 90%,
I
F = 60 mA
Optical Fall Time tf 10 ns
Notes:
1. Typical data are at 25°C.
2. Optical power measured at the end of 0.5 meters of 1 mm diameter plastic or 200 μm diameter hard clad silica ber with a large area detector.
3. Minimum and maximum values for PT over temperature are based on a xed drive current. The recommended drive circuit has temperature
compensation which reduces the variation in PT over temperature; refer to Figures 4 and 6.
4. Typical value measured from junction to PC board solder joint for horizontal mount package, HFBR-1528Z.
5. Pins 5 and 8 are for mounting and retaining purposes, but are electrically connected; pins 3 and 4 are electrically isolated. It is recommended
that pins 3, 4, 5 and 8 all be connected to ground to reduce coupling of electrical noise.
6. Refer to the “Plastic Optical Fiber and HCS Fiber Cable and Connectors for Versatile Link” Technical Data Sheet for cable connector options for 1
mm plastic and 200 μm HCS optical ber.
1 mm POF, 60 mA
1 mm POF, 20 mA
200 μm HCS, 60 mA
Fig. 2
Fig. 2
Fig. 2
perature Coe cient
Wavelength
Fig. 3
ANODE 1
CATHODE 2
GROUND 3
GROUND 4
8 GROUND
5 GROUND
SEE NOTE 5
4
V
CC
VALUE
1
4
2
3
8
5
DATA
C1
R1
HFBR-1528Z
TOLERANCE
R1
R2
2 KΩ
47Ω
5 %
1 %
68 5
7
R2
C2
4
C1
C2
0.1 μF
1.0 μF
20 %
20 %
1/2 SN75451
V
F
- FORWARD VOLTAGE - V
1
2.1
1.5
I
F,DC
- TRANSMITTER DRIVE CURRENT - mA
10 100
2.5
1.7
2.3
1.9
25
°
C
0
°
C
70
°
C
85
°
C
-40
°
C
NORMALIZED SPECTRAL OUTPUT POWER
610
1.2
0.6
0
WAVELENGTH - nm
630 650 670 690
1.0
0.2
0.8
0.4
1.4
25
°
C
0
°
C
-40
°
C
70
°
C
85
°
C
NORMALIZED OUTPUT POWER
-40
1.2
0.9
0.7
TEMPERATURE -
°
C
-20 20 60
1.1
0.8
1.0
04080
V
CC
= 5.25 V
V
CC
= 5.0 V
V
CC
= 4.75 V
P
T
- NORMALIZED OUTPUT POWER - dB
1
-10
-40
I
F,DC
- TRANSMITTER DRIVE CURRENT - mA
10 100
10
-30
0
-20
25
°
C
85
°
C
-40
°
C
PWD - ns
-40
2
-1
-5
TEMPERATURE -
°
C
20
1
-2
0
60
-3
-4
V
CC
= 5.25 V
V
CC
= 5.0 V
V
CC
= 4.75 V
040
80
-20
Figure 6. Recommended transmitter drive circuit
(IF,on = 60 mA nominal at T
A = 25°C)
Figure 5. Typical optical pulse width distortion vs. temperature
and power supply voltage (in recommended drive circuit)
Figure 4. Typical normalized optical power vs. temperature
(in recommended drive circuit)
Figure 3. Typical normalized optical spectra
Figure 2. Typical normalized optical power vs. drive currentFigure 1. Typical forward voltage vs. drive current
WARNING: WHEN VIEWED UNDER SOME CONDITIONS, THE OPTICAL PORT MAY EXPOSE THE EYE BEYOND THE MAXIMUM PER-
MISSIBLE EXPOSURE RECOMMENDED IN ANSI Z136.2, 1993. UNDER MOST VIEWING CONDITIONS THERE IS NO EYE HAZARD.
5
HFBR-2528Z Receiver
The HFBR-2528Z receiver consists of a silicon PIN photodiode and digitizing
IC to produce a logic compatible output. The IC includes a unique circuit to
correct the pulse width distortion (PWD) of the rst bit after a long idle pe-
riod. This enables operation from DC to 10 MBd with low PWD for arbitrary
data patterns.
The receiver output is a “push-pull” stage compatible with TTL and CMOS
logic. The receiver housing is a dark, conductive plastic, compatible with all
Versatile Link connectors. HFBR-2528Z Receiver, top view
Electrical and Optical Characteristics: T
A = -40° to +85°C, 4.75 V < VCC < 5.25 V, unless otherwise noted.
Parameter Symbol Min. Typ.[1] Max. Unit T
A (°C) Condition Note Fig.
Peak POF Sensitivity: PRL,min -23.0 -21.0 dBm +25 1 mm POF, 2,6 8,10
Minimum Input for -20.0 0 to +70 |PWD| < 30 ns
Logic “0” -19.5 -40 to +85
Peak POF Overdrive PRL,max +1.0 +5.0 dBm +25 1 mm POF, 2,3, 7,8,
Limit:Maximum +0.0 0 to +70 |PWD| < 30 ns 6 9
Input for Logic “0” -1.0 -40 to +85
Peak POF O State PRH,max -42 dBm 1 mm POF 2,6,
Limit: Maximum 8
Input for Logic “1”
Peak HCS PRL,min -25.0 -23.0 dBm +25 200 μm HCS, 2,6
Sensitivity: Minimum -22.0 0 to +70 |PWD| < 30 ns
Input for Logic “0” -21.5 -40 to +85
Peak HCS Overdrive PRL,max -1.0 +3.0 dBm +25 200 μm HCS, 2,3,
Limit: Maximum -2.0 0 to +70 |PWD| < 30 ns 6
Input for Logic “0” -3.0 -40 to +85
Peak HCS O State PRH,max -44 dBm 200 μm HCS 2,6,
Limit: Maximum 8
Input for Logic “1”
Supply Current ICC 19 45 mA VO = Open
High Level Output VOH 4.2 4.7 V IO = -40 μA
Voltage
Low Level Output VOL 0.22 0.4 V IO = +1.6 mA
Voltage
Output Rise Time tr 12 30 ns CL = 10 pF 6
Output Fall Time tf 10 30 ns CL = 10 pF 6
Thermal Resistance, jc 200 °C/W 4
Junction to Case
Electric Field EMAX 8 V/m Near Field, 5
Immunity Electrical
Field Source
Power Supply PSNI 0.1 0.4 Vpp Sine Wave 6
Noise Immunity DC - 10 MHz
Notes:
1. Typical data are at +25°C, VCC = 5.0 V.
2. Input power levels are for peak (not average) optical input levels. For 50% duty cycle data, peak optical power is twice the average optical
power.
3. Receiver overdrive (PRL,max) is speci ed as the limit where |PWD| will not exceed 30 ns. The receiver will be in the correct state (logic “0”) for opti-
cal powers above PRL,max. However, it may not meet a 30% symbol period PWD if the overdrive limit is exceeded. Refer to Figure 8 for PWD per-
formance at high received optical powers.
4. Typical value measured from junction to PC board solder joint for horizontal mount package, HFBR-2528Z.
5. Pins 5 and 8 are electrically connected to the conductive housing and are also used for mounting and retaining purposes. It is required that
pins 5 and 8 be connected to ground to maintain conductive housing shield e ectiveness.
6. In recommended receiver circuit, with an optical signal from the recommended transmitter circuit.
7. Pin 4 is electrically isolated internally. Pin 4 may be externally connected to pin 1 for board layout compatibility with HFBR-25X1Z, HFBR-25X2Z
and HFBR-25X4Z. Otherwise it is recommended pin 4 be grounded as in Figure 11.
8. BER ≤ 10E-9, includes a 10.8 dB margin below the receiver switching threshold level (signal to noise ratio = 12).
NO CONNECT
4
V
CC
3
GROUND
2
V
O
1
GROUND 5
GROUND 8
SEE NOTES 5,7
IC
6
RECEIVED PWD - ns
-22
30
10
-30
PRL - RECEIVER OPTICAL INPUT POWER - dBm
-18
20
0
-2
-10
-20
-14 -10 -6 2
RECEIVED POWER - dBm
-40
6
4
0
TEMPERATURE - qC
-20
5
3
100
2
1
020406080
VCC = 5.25 V
VCC = 5.0 V
VCC = 4.75 V
V
CC
- VOLTS
PWD - ns
VCC - VOLTS
-7
-6
-5
-4
-3
-2
-1
0
4.7 4.8 4.9 5 5.1 5.2 5.3
3
4
5
6
7
8
9
10
4.7 4.8 4.9 5 5.1 5.2 5.3
PWD - ns
Figure 11. Recommended receiver application circuit
Figure 10. Typical POF receiver pulse width distortion vs. power
supply voltage at mid optical power, (-6 dBm,pk, 10 MBd)
Figure 9. Typical POF receiver pulse width distortion vs. power
supply voltage at high optical power (0 dBm,pk, 10 MBd)
Figure 8. Typical POF receiver pulse width distortion vs. optical
power at 10 MBd
Figure 7. Typical POF receiver overdrive, PRL,max, at 10 MBd, vs.
temperature and power supply voltage
V
CC
VALUE
4
1
3
2
5
8
IC
DATA
C1
R1
HFBR-2528Z
TOLERANCE
R1
C1
2.7
:
0.1 μF
5 %
20 %
Figure 12. HFBR-2528Z receiver block diagram
Versatile Link Mechanical Dimensions Versatile Link Printed Circuit Board Layout Dimensions
For product information and a complete list of distributors, please go to our website: 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 5989-4632EN
AV02-1504EN - November 4, 2011
6.5
(0.255) 10.2
(0.400)
4.2
(0.165)
1.27
(0.050)
2.5
(0.100)
0.51
(0.020)
PIN NO.1 INDICATOR
18.9
(0.743)
2.0
(0.080)
7.62
(0.300)
0.64
(0.025)
7.62
(0.300)
3.0
(0.118) 1.73
(0.068)
0.64 (0.025) DIA.
NOTE: ALL DIMENSIONS IN MM (INCHES).
ALL DIMENSIONS ± 0.25 mm UNLESS
OTHERWISE SPECIFIED.
5.1
(0.200)
3.81(0.150) MAX.
3.56 (0.140) MIN.
TRANSMITTER
HFBR-1528 RECEIVER
HFBR-2528
1
2
3
4
5
8
ANODE
CATHODE
GROUND*
GROUND*
GROUND**
GROUND**
SIGNAL, V
O
GROUND
V
CC
(+5 V)
GROUND*
GROUND**
GROUND**
PIN NO.
* NO INTERNAL CONNECTION,
GROUND CONNECTION RECOMMENDED.
** PINS 5 AND 8 CONNECTED INTERNALLY
TO EACH OTHER.
ELECTRICAL PIN FUNCTIONS
4 13 2
5 8
7.62
(0.300)
1.01¡ (0.040) DIA.
1.85
(0.073)MIN.
TOP VIEW
2.54
(0.100)
7.62
(0.300)
1
Vo Data
PHOTODIODE FILTER
(REGULATOR)
TIA
DELAY
THRESHOLD
GENERATOR DATA
COMPARATOR
TTL OUTPUT
BUFFER
8 GND
3 VCC
2 GND
5 GND
CASE
PIN
PHOTO
DIODE
