HFBR-24x2 Low-Cost 5 MBd
Receiver
designed for direct interfacing to Housed Product
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
2
6
Vcc
DATA
Description
7 & 3
COMMON
The HFBR-24x2 fiber optic
receiver is designed to operate
with the Agilent HFBR-14xx
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
4 5
3 6
2 7
1 8
much higher than V
.
CC
BOTTOM VIEW
PIN 1 INDICATOR
Both the open-collector “Data”
output Pin 6 and V Pin 2 are
CC
PIN
11
2
FUNCTION
NC
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
V
CC (5 V)
32
41
51
6
COMMON
NC
NC
DATA
COMMON
NC
72
81
(Figure 1). Response does not
vary with fiber size ≤ 0.100 µm.
NOTES:
1. PINS 1, 4, 5 AND 8 ARE ELECTRICALLY CONNECTED
2. PINS 3 AND 7 ARE ELECTRICALLY CONNECTED TO HEADER
The HFBR-24x2 receiver
incorporates an integrated photo that a bypass capacitor (0.1 mF
IC containing a photodetector
and dc amplifier driving an
opencollector Schottky output
transistor. The HFBR-24x2 is
ceramic) be connected from Pin
Unhoused Product
2 (V ) to Pin 3 (circuit
CC
common) of the receiver.
PIN FUNCTION
1
2
3
4
VCC (5 V)
COMMON
DATA
1
4
2
3
COMMON
BOTTOM VIEW
Absolute Maximum Ratings
Parameter
Symbol
Min
-55
Max
+85
Units
°C
Reference
Storage Temperature
TS
TA
Operating
-40
+85
°C
Temperature
Lead Soldering Cycle
Note 1
Temp
Time
+260
10
°C
sec
Supply Voltage
Output Current
Output Voltage
VCC
IO
-0.5
-0.5
7.0
25
V
mA
V
VO
18.0
40
Output Collector
PO AV
mW
Power Dissipation
Fan Out (TTL)
N
5
Note 2
20