ACRX531
http://www.analogchips.co.kr
AnalogChips Inc.
Fiber Optic Receiver
Features
Outline Dimensions
(Unit : mm)
High speed signal transmission
(12.5Mbps, NRZ signal)
Operating voltage : 4.5 to 5.5 V
Directly connectable to demodulation IC
for digital audio equipment
Package
[Pin Connection]
Vcc
GND
Out
Applications
AC-3 amp
PC-sound card
MD player
Ordering Information
Part Number
Type
ACRX531D Die
ACRX531P Package
ACRX531H Housing
Housing
Absolute Maximum Ratings
(Ta=25
)
PARAMETER SYMBOL
RATING
UNIT
Supply Voltage
Vcc
-0.5 ~ +7
V
High Level Output Current
I
OH
4 mA
Low Level Output Current
I
OL
4 mA
Operating Temperature
T
opr
-20 ~ +70
Storage Temperature
T
stg
-30 ~ +80
Soldering Temperature
[1]
T
sol
260
Note [
1
] : Soldering time=5 seconds 2 times or less
ACRX531
http://www.analogchips.co.kr
AnalogChips Inc.
Electrical and Optical Characteristics
(Vdd=5V, Ta=25
)
PARAMETER SYMBOL CONDITIONS MIN
TYP.
MAX
UNIT
Operating Voltage
Vcc
-
4.5
5
5.5
V
Peak Sensitivity Wavelength
p
- -
700
-
nm
Maximum Input Optical Power for Receiving Unit
P
CMAX
Refer to Fig.1
-14.5
-
-
dBm
Minimum Input Optical Power for Receiving Unit
P
CMIN
Refer to Fig.1
-
-
-24
dBm
Dissipation Current
Icc
Refer to Fig.2
-
5
8
mA
High Level Output Voltage
V
OH
Refet to Fig.3
2.7
4.8
-
V
Low Level Output Voltage
V
OL
Refer to Fig.3
-
0.1
0.4
V
Rise Time
tr
Refer to Fig.3
-
6
30
ns
Fall Time
tf
Refer to Fig.3
-
6
30
ns
Low
High Propagation Delay Time
t
pLH
Refer to Fig.3
-
-
100
ns
High
Low Propagation Delay Time
t
pHL
Refer to Fig.3
-
-
100
ns
Pulse Width Distortion
tw
Refer to Fig.3
-30
-
+30
ns
Jitter
tj
Refer to Fig.4
, Pc=-15dBm
- 1 30 ns
Operating Transfer Rate
T
-
0.1
-
12.5
Mbps
Transmission Distance
-
-
-
-
10
m
Standard
transmitter
Variable optical
attenuator
ACRX531
Optical power meter
Note : (1) Optical power meter must be calibrated to have
the wavelength sensitivity of 660nm.
Fig.1 Maximum Input Optical Power Level/Minimum Input Optical Power Level
Measuring Method of Receiving Unit
ACRX531
http://www.analogchips.co.kr
AnalogChips Inc.
Input
6Mbps NRZ, duty 50%
or 3Mbps biphase PRBS signal
(DC average current value)
Ammeter
Standard
transmitter
V
CC
GND
V
IN
V
CC
ACRX531
V
OUT
GND
V
CC
V
CC
A
Vcc=5.0 0.05V
Fig.2 Measuring Method of Dissipation Current
Standard optical fiber cable
D
Input
6Mbps NRZ, duty50%
Notes (1) Vcc=5.0 0.05V(Operating)
(2) The probe for the oscilloscope must be
more than 1M and less than 10pF.
(3) Rsi, Rso : Standard load resistance
(Rsi:3.3K , Rso:2.2K
ACRX531
V
CC
GND
V
IN
V
CC
Oscilloscope
CH1
CH2
V
CC
GND
V
OUT
ACRX531
output signal
(CH2)
Standard
transmitter
Input signal
(CH1)
50%
t
PLH
t
PHL
90%
10%
50%
t
r
t
f
Fig.3 Measuring Method of Output Voltage and Pulse
Standard
transmitter
V
CC
R
SO
R
SI
Standard optical fiber cable
D
V
OH
V
OL
Vcc=5.0 0.05V
tw(Pulse width distortion) = t
PHL
- t
PLH
ACRX531
http://www.analogchips.co.kr
AnalogChips Inc.
Input
V
CC
GND
V
IN
V
CC
CH1
CH2
50%
Input Signal
ACRX531
output
Notes (1) Rsi Rso : standard load resistance
(Rsi:3.3K Rso:2.2K
(2) Vcc=5.0 0.05V(Operating)
(3)Set the oscilloscope to be storage mode and
write time to 3 seconds. Do not allow the
waveform to be distorted by increasing the
brightness too much..
(4)The probe for oscilloscope must be more
than 1M
and less than 10pF.
50%
tj
tj
Fig.4 Measuring Method of Jitter
Oscilloscope
Trigger:CH1
Storage mode
Sweep:AUTO/NORM
Input signal 3Mbps
biphase PRBS
1 1
0
0
Standard
transmitter
ACRX531
V
CC
GND
V
OUT
V
CC
R
SO
R
SI
Standard optical fiber cable
D
Vcc=5.0 0.05V
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