02.08.08 Features F0530602Q 3.3 V Operation * Up to 1.3 Gb/s high speed operation * 3.3 V single power supply * Up to 35 mA p-p modulation current * Up to 35 mA bias current * Maximum bias current preset control Laser Diode Driver Applications * Laser diode driver of an optical transmitter circuit for SDH (STM4) / SONET (OC-12) Functional Description The F0530602Q is a high performance GaAs integrated laser diode driver for use in an optical transmitter circuit up to 1.3 Gb/s NRZ data rate. The F0530602Q typically specifies rise time and fall time of 300 psec (20 % - 80 %,25 load). It features a low power 3.3 V supply operation, 1 to 35 mA presettable bias current and up to 35 mA modulation current. F0530602Q 3.3 V Laser Diode Driver Absolute Maximum Ratings Ta=25 C, unless specified Parameter Symbol Value Units Supply Voltage VDD , VSS - 0.2 to 4.0 V Supply Current Ickt 150 mA Modulation Current Iout 70 mA Bias Current Ioutbi 70 mA Input Voltage Vin VSS to VDD+0.5 V Ta -40 to +85 C Tstg -55 to +150 C Ambient Operating Temperature Storage Temperature Recommended Operating Conditions Ta=25 C , VDD=0 V, VSS=-3.3 V, unless specified Value Parameter Symbol Min. Typ. Max Units Supply Voltage VDD -VSS 3.135 3.3 3.465 V Output Voltage Vout VDD -1.6 VDD -1.0 VDD V Input Voltage Vreg Vreg VSS +1.86 OPEN VSS +2.12 V Ta 0 25 85 C Ambient Operating Temperature F0530602Q 3.3 V Laser Diode Driver Electrical Characteristics Ta=25 C, VDD-VSS=3.135 ~ 3.465V, unless specified Value Parameter Symbol Supply Current Ickt Input Voltage (for TD,TDB) VIH Test Conditions IMOD, IBIAS are excluded Differential Input VIL Units Min. Typ. Max. - 35 50 mA VDD-1.17 VDD-0.8 VDD-0.73 V VDD-1.95 VDD-1.8 VDD-1.45 V IIH VIH=VDD-0.7V -100 - 100 A IIL VIL=VDD-1.9V -100 - 100 A Input Resistance Ri DC, VDD=VSS=GND 1 1.3 - k Input Bias Voltage VIB VDD-VSS=3.3V VDD-1.17 VDD-1.3 VDD-1.43 V Input Current Modulation Current Bias Current Input Voltage for Disable IMMAX VDIS=OPEN 35 - - mA IMMIN VDIS=OPEN - - 5 mA IMDIS VDIS=VDD-0.2V - - 0.5 mA IBMAX VDIS=OPEN 35 - - mA IBMIN VDIS=OPEN - - 5 mA IBDIS VDIS=VDD-0.2V - - 0.5 mA VDISIH Disable Operation VDD-2 - VDD V VDISIL Enable Operation VSS OPEN VSS+0.2 V - 10 - Resistance for Bias Monitor RBM Monitor Voltage of Mark Ratio VMRK Differential Output - 0.9 - V Rise time tr RL=25, 20%-80% - 300 - ps Fall time tf RL=25, 20%-80% - 300 - ps F0530602Q 3.3 V Laser Diode Driver Block Diagram MRKOUT TDb Bias Circuit TD + OUT + Input Buffer TDB MRKOUTB - Output Buffer Mod. Circuit - OUTTB OUTBIAS VM TDBb BMP Bias Circuit Into Circuit Control Circuit Bias Circuit Vreg Disable VB Die Pad Description TD Data Input (pos.) TDB Data Input (neg.) TDb Input Bias (pos.) TDBb Input Bias (neg.) OUT Modulation Current Output (pos.) OUTB Modulation Current Output (neg.) OUTBIAS Bias current Output VM Modulation Current Control VB Bias Current control Disable Current Shutdown Control Vreg Reference Voltage BMP Bias Current Monitor (pos.) BMN Bias Current Monitor (neg.) MRKOUT Mark ratio Monitor (pos.) MRKOUTB Mark ratio Monitor (neg.) BMN F0530602Q 3.3 V Laser Diode Driver Pin Assignments (Top View) 16 15 14 13 12 11 17 10 18 9 Eudyna Devices 0530602 #### 19 20 1 1 2 3 4 5 6 7 8 9 : NC : NC : Vreg : TD : TDb : TDB : TDBb : VDD : NC 8 No.1 LEAD IDENTIFIER 2 3 4 10 11 12 13 14 15 16 17 18 7 5 : BMN : BMP : OUTBIAS : OUT : OUTB : NC :VM :VB :MRKB 6 19 :MRK 20 :DIS (*) The pins without numbering should be connected to VSS. (**) NC is a no user connection pin. F0530602Q 3.3 V Laser Diode Driver Test Circuits OUT OUTB OUTBIAS TD VM DC Source/ Monitor Unit TDB DUT VB TDb TDBb VSS VSSmod VSSbias DC Source/ Monitor Unit F0530602Q 3.3 V Laser Diode Driver Typical DC Characteristics (1) Switching Characteristics (a) Modulation Current Switching IO (mA) VM=-2.2V Output Current Iout (mA) 80.00 VM=-2.3V VM=-2.4V 8.000 /div VM=-2.5V VM=-2.6V VM=-2.7V VM=-2.8V .0000 -1.800 VTD .1000/div (v) -.8000 Input Voltage VIN1(V) (VSS=-3.3V, TDB=-1.3V, VB=-2.6V) (b) Output Current Switching IO (mA) VB=-2.2V VB=-2.3V Output Current Iout (mA) 80.00 VB=-2.4V 8.000 /div VB=-2.5V VB=-2.6V VB=-2.7V VB=-3.3V .0000 -1.800 VTD .1000/div (v) Input Voltage VIN1(V) (VSS=-3.3V, TDB=-1.3V, VM=-2.5V) -.8000 F0530602Q 3.3 V Laser Diode Driver (2) Modulation Current Control Modulation Current IM(mA) IO (mA) 80.00 8.000 /div .0000 -3.500 .1500/div (v) -2.000 Control Voltage VM(V) (VSS=-3.3V, TD=-1.0V, TDB=-1.6V, OUTBIAS,VB: open) (3) Bias Current Control IO (mA) Bias Current IB(mA) 80.00 8.000 /div .0000 -3.500 .1500/div (v) Control Voltage VB(V) (VSS=-3.3V, TD, TDB,VM : open, OUT: open) -2.000 F0530602Q 3.3 V Laser Diode Driver (4) The Dependence of Modulation Current on the ambient temperature 80 VM=-2.2V 70 VM=-2.3V 60 VM=-2.4V IM (mA) 50 VM=-2.5V 40 30 VM=-2.6V 20 VM=-2.7V 10 0 -40 -20 0 20 40 60 80 Ambient Temperature (C) (VSS=-3.3V, TD=-1.0V, TDB=-1.6V, VB, OUTBIAS: open) 100 F0530602Q 3.3 V Laser Diode Driver Test Circuit Pulse Pattern Generator Fiber F0530602Q Laser Module Optical Sampling Waveform Oscillo Monitor -scope Optical Output Waveform (@1.25 Gb/s, PRBS 2^7-1, Vin=-0.9V/-1.7V, w/Bessel-Thompson filter) Ta=0C Ta=+25C Horizontal axis 200ps/div Ta=+70C F0530602Q 3.3 V Laser Diode Driver Package Drawings 9.00.3 0.50.2 0.7 typ. Eudyna Devices 0530602 #### 7.00.2 0.7 typ. 9.00.3 0.8 0.30.1 +0.1 0.15 -0.05 0.100.05 1.450.1 7.00.2 Dimension:millimeters F0530602Q 3.3 V Laser Diode Driver (1) Data Input Interface (a) Differential ECL (or PECL) Interface F0530602Q VDD Buffer-IC 50 open 2.3K typ. TDBb 2.3K typ. TDB Data TD open 50 TDb 3.5K typ. 3.5K typ. VSS (b) Differential AC Coupled Interface F0530602Q VDD Buffer-IC 2.3K typ. TDBb 50 2.3K typ. TDB 0.022 Data 0.022 TD 50 TDb 3.5K typ. 3.5K typ. VSS F0530602Q 3.3 V Laser Diode Driver (2) Disable Input Interface F0530602Q CMOS-IC VDD 10.5K typ. Disable 2K typ. 2.8K typ. VSS (3) Current Output Interface VDD F0530602Q Laser Diode OUTB 15 typ. or OUT 10 typ. 3K typ. OUTBIAS 3K typ. BMN BMP or ~5 F0530602Q 3.3 V Laser Diode Driver (4) Bias Current Monitor and Mark Density Monitor Interface F0530602Q R2 MRKOUT 25K typ. R1 25K typ. R1 Op.Amp + R2 MRKOUTB Vref 1 OUTBIAS R4 10 typ. 3K typ. 3K typ. BMP BMN R1 Op.Amp + R1 R4 Vref 2 *) Value of R1 to R4 should be enough larger than 25 Recommended value is 100K to 200K F0530602Q 3.3 V Laser Diode Driver APC (Auto Power Control) Sample Circuit Vcc LD Module LD Monitor PIN-PD or R16 OUT F0530602Q IN C1 C2 R5 OUTBIAS VB R13 R1 C3 VM or RT RT:thermistor R3 Op.Amp. R2 R4 Op.Amp. Op.Amp. R6 Voltage Regulator R11 R9 R12 R10 R7 R8 VB