HFD3403-2XX
FOR INDUSTRIAL BUS SYSTEMS
Honeywell reserves the right to make
changes in order to improve design and
supply the best products possible.
374
FEATURES
x
Designed to meet SERCOS specification
x
Converts optical input signals to TTL digital output
x
Typical sensitivity 5µw (-23 dBm) (660nm)
x
Single 5 volg supply
x
Direct coupled receiver circuit
x
Open collector output
x
Microlens optics for efficient fiber coupling
x
Metal barrel for high mechanical stability
(HFD3403-202) Fig.2
x
Separate grounding of barrel for optimum EM/RFI
shielding (HFD3403-202) Fig.2
x
Lost cost plastic barrel for General Purpose
Bus-Application (HFD3403-212) Fig.1
opho_234.TIF
OUTLINE DIMENSIONS in inches (mm)
ODIM_235.TIF ODIM_236.TIF
HFD3403-2XX
FOR INDUSTRIAL BUS SYSTEMS
Honeywell reserves the right to make
changes in order to improve design and
supply the best products possible. 375
ELECTRO-OPTICAL CHARACTERISTICS (Temperature = 25°C, VCC = 5.0 VDC unless otherwise noted)
PARAMETER SYMBOL MIN TYP MAX UNITS TEST CONDITIONS
Minimum input sensitivity PIN (Peak) 5.0
-23
10.0
-20
µW
dBm
O
P = 660 nm into 1000 µm
optical fiber
ff = 2.5 Mhz, Duty Cycle =
50% PWD
d
10%
High level logic output voltage VOH 2.4 4.5 V PIN
d
10 µw, RL-560
:
Low level logic output voltage VOL 0.25 0.4 V PIN
d
10 µw, RL-560
:
Rise Time tR69nsP
IN
d
10 µw, VO = 0.4 to 2.4 V
RL-560
:
Fall Time tF6 9 ns PIN
d
10 µw, VO = 2.4 to 0.4 V
RL-560
:
Supply Current ICCL
ICCH
13.0
4.5 15.0
6.5 mA nm PIN
t
10 µw
PIN
d
10 µw
Pulse width distortion PWD
PWD
10
25
25
30
%
%
PIN
d
10 µw peak, f=2.5 Mhz
Duty Cycle= 50%
PIN
d
10 µw peak, f=2.5 Mhz
Duty Cycle= 50%
ABSOLUTE MAXIMUM RATINGS
(25°C Free-Air Temperature unless otherwise noted)
Forward current 70 mA
Peak forward current 300 mA
Reverse voltage +4 V
Power dissipation 140 mW
Operating temperature -30 to +85°C
Storage temperature 260°C, 5 sec (3,0
mm from body)
HFD3403-2XX
FOR INDUSTRIAL BUS SYSTEMS
Honeywell reserves the right to make
changes in order to improve design and
supply the best products possible.
376
BLOCK DIAGRAM SWITCHING WAVEFORM
FIBER--4.SCH
PULSE
WIDTH
50%
OPTICAL
INPUT
ELECTRICAL
OUTPUT
PULSE
WIDTH
50%
100%
0%
100%
0%
tr
tf
0.4 V
2.4 V
FIBER202.CIR
Pulse Width Distortion vs Frequency Propagation Delay Time vs Peak Optical Input Power
FIBER056.GRA FIBER057.GRA
Pulse Width Distortion vs Temperature
FIBER055.GRA OGRA_162.TIF
