AnalogChips Inc.
ACRX531
Fiber Optic Receiver
Features
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
Outline Dimensions
Package
[Pin Connection] Vcc GND Out
(Unit : mm)
Applications
Housing AC-3 amp PC-sound card MD player
Ordering Information
Part Number ACRX531D ACRX531P ACRX531H
Type Die Package Housing
Absolute Maximum Ratings
(Ta=25 ) PARAMETER Supply Voltage High Level Output Current Low Level Output Current Operating Temperature Storage Temperature Soldering Temperature[1] SYMBOL Vcc IOH IOL Topr Tstg Tsol RATING -0.5 ~ +7 4 4 -20 ~ +70 -30 ~ +80 260 UNIT V mA mA
Note [1] : Soldering time=5 seconds 2 times or less
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AnalogChips Inc.
Electrical and Optical Characteristics (Vdd=5V, Ta=25 )
PARAMETER Operating Voltage Peak Sensitivity Wavelength Maximum Input Optical Power for Receiving Unit Minimum Input Optical Power for Receiving Unit Dissipation Current High Level Output Voltage Low Level Output Voltage Rise Time Fall Time Low High High Propagation Delay Time Low Propagation Delay Time SYMBOL CONDITIONS Vcc p
ACRX531
MIN 4.5 -14.5 2.7 -30 0.1 -
TYP. 5 700 5 4.8 0.1 6 6 1 -
MAX 5.5 -24 8 0.4 30 30 100 100 +30 30 12.5 10
UNIT V nm dBm dBm mA V V ns ns ns ns ns ns Mbps m
Refer to Fig.1 Refer to Fig.1 Refer to Fig.2 Refet to Fig.3 Refer to Fig.3 Refer to Fig.3 Refer to Fig.3 Refer to Fig.3 Refer to Fig.3 Refer to Fig.3 Refer to Fig.4 , Pc=-15dBm -
PCMAX PCMIN Icc VOH VOL tr tf tpLH tpHL tw tj T -
Pulse Width Distortion Jitter Operating Transfer Rate Transmission Distance
Fig.1 Maximum Input Optical Power Level/Minimum Input Optical Power Level Measuring Method of Receiving Unit
Standard transmitter
Variable optical attenuator
ACRX531
Note : (1) Optical power meter must be calibrated to have the wavelength sensitivity of 660nm.
Optical power meter
http://www.analogchips.co.kr
AnalogChips Inc.
ACRX531
Fig.2 Measuring Method of Dissipation Current
Standard optical fiber cable
Standard transmitter
ACRX531
D
VIN
Input
VCC
GND VCC
Vcc=5.0 0.05V
VCC
GND VCC A
VOUT
6Mbps NRZ, duty 50% or 3Mbps biphase PRBS signal
Ammeter
(DC average current value)
Fig.3 Measuring Method of Output Voltage and Pulse
Standard optical fiber cable
Standard transmitter
ACRX531
VCC VIN VCC GND VCC
Vcc=5.0 0.05V
Oscilloscope
CH1 D
GND VCC
VOUT
RSO
RSI
Input
6Mbps NRZ, duty50% Standard transmitter Input signal (CH1)
VOH
CH2
50%
tr
tf
90% 50%
ACRX531 output signal (CH2)
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
VOL tPLH tPHL
10%
tw(Pulse width distortion) = tPHL - tPLH
http://www.analogchips.co.kr
AnalogChips Inc.
ACRX531
Fig.4 Measuring Method of Jitter
Standard optical fiber cable
Standard transmitter
ACRX531
VCC VIN VCC GND VCC
Vcc=5.0 0.05V
CH1 D
GND VCC
VOUT
RSO
RSI
Oscilloscope Trigger:CH1 Storage mode Sweep:AUTO/NORM
Input
Input signal 3Mbps biphase PRBS 11 0 0 CH2
Input Signal
50%
ACRX531
output
50%
tj
tj
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.
http://www.analogchips.co.kr
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