Fiber Optic Components
50 Mbps Receiver for Plastic Optical Fiber (POF)
FEATURES
•
Designed for plastic optical fiber
(POF)
•
Built-in discrimination circuit
provides digital output
•
DC to 50 Mbps data transmission
•
Designed to be used with
HFE7000-210
•
Immunity from high noise
environment
•
Miniature size using a monolithic
IC structure
HFD7500-2xx
HFD7500-2xx
WARNING
PERSONAL INJURY
DO NOT USE these products as
safety or emergency stop
devices, or in any other applica-
tion where failure of the product
could result in personal injury.
Failure to comply with these
instructions could result in
death or serious injury.
DESCRIPTION
The HFD7500-2xx is a 50 Mbps receiver designed to meet data
transmission requirements for factory and office automation. The
plastic SMA housing delivers a cost-effective module that can be
easily mounted on a PCB. The HFD7500-2xx is designed to work
with Honeywell’s high-speed 650 nm LED, HFE7000-210.
APPLICATIONS
Designed for data transmission in factory automation and office
machines; The HFD7500-2xx is suitable for high speed and short
distance links.
FIGURE 1.
PACKAGE INFORMATION
Outline dimensions mm/in (for reference only)
WARNING
MISUSE OF DOCUMENTATION
• The information presented in
this product sheet is for
reference only. Do not use
this document as a product
installation guide.
• Complete installation, opera-
tion, and maintenance infor-
mation is provided with each
product.
Failure to comply with these
instructions could result in
death or serious injury.
NOTICE
Stress 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 opera-
tional section of this specification
is not implied. Exposure to
absolute maximum rating
conditions for extended periods
of time may affect reliability.
Sensing and Control
Fiber Optic Components
50 Mbps Receiver for Plastic Optical Fiber (POF)
ABSOLUTE MAXIMUM RATINGS
(TA = 25 °C [77 °F])
Parameter
Supply voltage
Output current
Soldering temperature
Operating temperature
Storage temperature
Symbol
Vcc max
Ioh max.
T
Sold
T
Op
T
Stor
Rating
-0.5 V to 7.0 V
10 mA
230 °C [446 °F] for 5 sec
-10 °C to 70 °C [14 °F to 158 °F]
-40 °C to 85 °C [-40 °F to 185 °F]
HFD7500-2xx
ELECTRO-OPTICAL CHARACTERISTICS
(TA = 25 °C [77 °F])
Parameter
Data rate
Supply voltage
Current consumption
Output voltage
Pulse width distortion
Maximum input power
1,2
Minimum input power
1,2
Rise time
2
Fall time
2
No light input
Ioh = 20 µA
Iol = -0.6 mA
Test Condition
Symbol
fD
Vcc
Icc
Voh
Vol
∆T
Pimax
Pimin
tr
tf
Min.
dc
4.75
2.0
-6.0
-5.0
1.0
6.0
-17.5
7.0
7.0
Typ.
Max.
50.0
5.25
40.0
Unit
Mbps
V
mA
V
V
ns
dBm
dBm
ns
ns
1 Output from a 1,0 m [39.37 in] long, 1,0 mm [0.04 in] diameter plastic fiber (GH4001 made by Mitsubishi Rayon) set close to the molded lens.
2 The rise and fall times are evaluated based on the input and output waveforms shown below. Measured with a low-capacitance FET probe (3 pF or less).
FIGURE 2.
INPUT LIGHT
WAVEFORM CONDITION
pw1
FIGURE 3.
OUTPUT LIGHT
WAVEFORM CONDITION
80%
50%
20%
tr=2 ns
tf=5 ns
1.8 V
1.5 V
1.2 V
tr
tf
pw
ORDER GUIDE
Catalog Listing
HFD7500-212
HFD7500-215
Description
50 Mbps receiver in plastic, non-conductive SMA housing
50 Mbps receiver in conductive, plastic SMA housing
2
Honeywell • Sensing and Control
Fiber Optic Components
50 Mbps Receiver for Plastic Optical Fiber (POF)
FIGURE 4.
TTL APPLICATION
Use external circuit if TTL output is required
HFD7500-2xx
FIGURE 5.
PINOUT
Vcc 5V
C3
Vcc 5V
R1
GND
Out
GND
Vcc
3
2
1
HFD7500-2xx
AD8561
7
Pos. output
Neg. output
Pin
1,2,3,4
1
2
3
4
=
=
=
=
GND
Out
GND
Vcc
8
4 5
6
C2
C1
R2
GND
C1, C2, C3 = 0.1 µF
R1 = 35 kΩ, R2 = 15 kΩ
FIGURE 6.
TYPICAL OUTPUT WAVEFORM
(TA = 25 °C [77 °F], Pi = -16 dBm, Vcc = 5 V, measured with drive circuit 74ACT08)
Honeywell • Sensing and Control •
3
Fiber Optic Components
50 Mbps Receiver for Plastic Optical Fiber (POF)
WARRANTY/REMEDY
Honeywell warrants goods of its manufacture as
being free of defective material and faulty
workmanship. Contact your local sales office for
warranty information. If warranted goods are
returned to Honeywell during that period of
coverage, Honeywell will repair or replace without
charge those items it finds defective.
The
foregoing is Buyer’s sole remedy and is in lieu
of all other warranties, expressed or implied,
including those of merchantability and fitness
for a particular purpose.
While we provide application assistance,
personally, through our literature and the
Honeywell web site, it is up to the customer to
determine the suitability of the product in the
application.
Specifications may change at any time without
notice. The information we supply is believed to be
accurate and reliable as of this printing. However,
we assume no responsibility for its use.
HFD7500-2xx
SALES AND SERVICE
Honeywell serves its customers through a world-
wide network of sales offices and distributors.
For application assistance, current specifications,
pricing, or name of the nearest Authorized
Distributor, contact a nearby sales office or call:
TELEPHONE
Germany
UK
USA & Canada
International
+49(0)89 3581 3310
+44(0) 1698 481 481
1-800-537-6945
1-815-235-6847
INTERNET
http://www.honeywell.com/sensing
e-mail: info.sc@honeywell.com
Sensing and Control
Honeywell
11 West Spring Street
Freeport, Illinois 61032
100105-1-EN IL50 GLO 0104
Copyright 2003-2004 Honeywell International Inc. All
Rights Reserved.
www.honeywell.com/sensing
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