ACRX531 AnalogChips Inc. G G G Fiber Optic Receiver G G Features Outline Dimensions G ̰ ̰ ̰ 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 Applications [Pin Connection] GGྙ Vcc GGྚ GND GGྛ Out G G G ̰ ̰ ̰ (Unit : mm) Package Housing G AC-3 amp PC-sound card MD player Ordering InformationG Part Number ACRX531D ACRX531P ACRX531H Type Die Package Housing G G G Absolute Maximum Ratings (Ta=25ଇ) PARAMETER SYMBOL RATING UNIT Supply Voltage Vcc -0.5 ~ +7 V High Level Output Current IOH 4 mA Low Level Output Current IOL 4 mA Operating Temperature Topr -20 ~ +70 ଇ Storage Temperature Tstg -30 ~ +80 ଇ Soldering Temperature[1] Tsol 260 ଇ G Note [1] : Soldering time=5 seconds 2 times or less G http://www.analogchips.co.kr XV[G ACRX531 AnalogChips Inc. G G Electrical and Optical Characteristics (Vdd=5V, Ta=25ଇ) SYMBOL CONDITIONS Vcc - PARAMETER Operating Voltage MIN 4.5 TYP. 5 MAX 5.5 UNIT V Ʌp - - 700 - nm PCMAX PCMIN Icc VOH VOL tr tf 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 -14.5 2.7 - 5 4.8 0.1 6 6 -24 8 0.4 30 30 dBm dBm mA V V ns ns Low˧High Propagation Delay Time tpLH Refer to Fig.3 - - 100 ns High˧Low Propagation Delay Time tpHL Refer to Fig.3 - - 100 ns Pulse Width Distortion ଠtw Refer to Fig.3 -30 - +30 ns Jitter ଠtj - 1 30 ns 0.1 - - 12.5 10 Mbps m 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 Operating Transfer Rate Transmission Distance T - Refer to Fig.4 , Pc=-15dBm - G G G G G G 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 G G G G G G G http://www.analogchips.co.kr YV[G ACRX531 AnalogChips Inc. G G Fig.2 Measuring Method of Dissipation Current Standard optical fiber cable Standard transmitter VIN VCC ACRX531 GND VCC D VCC Vcc=5.0·0.05V Input GND VCC A VOUT Ammeter 6Mbps NRZ, duty 50% or 3Mbps biphase PRBS signal (DC average current value) G G G G G Fig.3 Measuring Method of Output Voltage and Pulse Standard optical fiber cable Standard transmitter ACRX531 VCC VIN VCC D GND VOUT GND VCC RSO VCC Vcc=5.0·0.05V Oscilloscope RSI CH1 Input 6Mbps NRZ, duty50% Standard transmitter Input signal (CH1) CH2 50% tr tf VOH ACRX531 output signal (CH2) 90% Notes (1) Vcc=5.0·0.05V(Operating) (2) The probe for the oscilloscope must be more than 1Mȳ and less than 10pF. (3) Rsi, Rso : Standard load resistance (Rsi:3.3Kȳ, Rso:2.2KȳP 50% 10% VOL tPLH tPHL ȟtw(Pulse width distortion) = tPHL - tPLH G G G http://www.analogchips.co.kr ZV[G ACRX531 AnalogChips Inc. G G Fig.4 Measuring Method of Jitter Standard optical fiber cable Standard transmitter ACRX531 VCC VIN VCC GND D VOUT GND VCC RSO VCC Vcc=5.0·0.05V RSI CH1 Input Input signal 3Mbps biphase PRBS 1 1 0 0 CH2 50% Input Signal ACRX531 output 50% ' tj Oscilloscope Trigger:CH1 Storage mode Sweep:AUTO/NORM ' tj Notes (1) Rsi Rso : standard load resistance (Rsi:3.3Kȳ Rso:2.2KȳP (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 1MȳGand less than 10pF. G G G http://www.analogchips.co.kr [V[G