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| Advance 02.07.30 Features * Up to 2.5 Gb/s high speed operation * Clocked (MS-D/FF) or Non-clocked operation can be selected * Disable function of modulation current and bias current * Bias current monitoring * 3.3 V or - 3.3 V single Voltage Supply operation * Up to 50 mA modulation current * Up to 50 mA bias current * Differential ECL compatible interface * On-chip 50 terminations * Internal voltage reference for AC coupling F0532506Q 3.3 V 2.5 Gb/s NRZ Data Rate Laser Diode Driver Applications * Laser diode driver of an optical transmitter circuit up to 2.5 Gb/s Functional Description The F0532506Q is a high performance GaAs laser diode driver IC applicable in an optical transmitter circuit up to 2.5 Gb/s NRZ data rate (especially suitable for SDH [STM-16] / SONET [OC-48]). The F0532506Q specifies the rise time and the fall time of 80 ps (20 % - 80 %, 25 load) typically. It features the single +3.3 V or - 3.3 V supply operation, the modulation current between 4 mA and 50 mA, and the bias current between 4 mA and 50 mA. 3.3 V 2.5 Gb/s Laser Diode Driver Absolute Maximum Ratings F0532506Q Ta=25C, unless specified. Parameter Supply Voltage Supply Current *1 Input Voltage (DIN, DINB, CKIN,CKINB) Input Voltage (DISIN, SELIN) Input Voltage (VM1, VB1) Input Voltage (VM0, VB0) Input Voltage (VREG) Output Voltage (OUT, OUTB, OUTBIAS) Output Current (OUT, OUTB, OUTBIAS) Output Voltage (BM, BMB) Termination Voltage (VTTD, VTTCK) Storage Temperature Ambient Operating Temperature Symbol VDD - VSS ICC VIN VINC1 VINC2 VINC3 VINC4 VOUT IOUT VOUTM VTT Tstg Ta Value - 0.3 to +4.0V 200 VDD - 2.5 to VDD VSS to VDD + 0.5 VSS to VSS + 1.7 VSS to VSS + 0.7 VSS to VDD VDD - 2.0 to VDD + 0.5 0 to 70 VSS to VDD + 0.5 VDD - 2.5 to VDD + 0.5 - 55 to + 125 0 to + 70 Units V mA V V V V V V mA V V C C *1 Excluding the input current, the modulation current and the bias current. Recommended Operating Conditions Value Parameter Supply Voltage Ambient Operating Temperature Symbol Min. VDD - VSS Ta 3.10 0 Typ. 3.30 25 Max. 3.50 70 V C Units 3.3 V 2.5 Gb/s Laser Diode Driver Electrical Characteristics F0532506Q Ta=25C, VDD- VSS = 3.1 V to 3.5 V, VSS=0 V, unless specified Parameters Symbol Test Conditions Min. Circuit Current *1 Input Voltage (ECL Interface) Input Voltage (AC coupled interface) Input Resistor Modulation Peak Current RIN IMMAX IMMIN IMDIS IBMAX Bias Current IBMIN IBDIS Input Voltage (DIS) VDISIH VDISIL Input Voltage (SEL) VSELIH VSELIL Bias Monitor Resistor Rise Time Fall Time Setup Time Hold Time Maximum Clock Frequency Maximum Data Rate fopr RBM tr tf ts th fmax VSEL=OPEN or VDD - 0.2 V to VDD VSEL= VDD - 0.2 V to VDD 2.5 Gbps RL = 25 20% - 80% RL = 25 20% - 80% VB1 =VSS VDISIN =VDD - 0.2 V Disable operation Enable operation Non - Clocked op. Clocked operation VM1 =VSS VDISIN =VDD - 0.2 V 50 50 VDD - 0.2 VSS VDD - 0.2 VSS 2.5 50 OPEN OPEN 5 80 80 100 50 4 1 4 1 VDD VSS+0.2 VDD VSS + 0.2 mA mA mA mA mA mA mA mA mA mA ps ps ps ps GHz ICKT VIH VIL VIN Differential Input DC Differential Input VDD - 1.0 VDD- 1.9 0.3 Value Typ. 80 VDD - 0.9 VDD - 1.7 0.8 Max. 115 VDD -0.7 VDD - 1.6 1.2 mA V V VP-P Units *1 Excluding the input current, the modulation current and the bias current. 3.3 V 2.5 Gb/s Laser Diode Driver Block Diagram VDDC VDDO F0532506Q DIN VTTD DINB + Input Buffer -- Vref Generator D/FF Selector + Mod. Circuit -- OUT OUTB OUTBIAS VM0 VM1 Bias circuit RBM RBMO BM BMb RBMOB CKIN VTTCK CKINB + Input Buffer -- Control Circuit SELIN DISIN VB0 VB1 VREG VSS Pin Descriptions Symbol VDDC VDDO VSS DIN DINB VTTD CKIN CKINB VTTCK OUT OUTB OUTBIAS VM0, VM1 VB0, VB1 DISIN SELIN BM BMb VREG Supply Voltage. Supply Voltage. Positive data input Negative data input Termination data input Positive clock input Negative clock input Termination for clock input Positive modulation output (LD should be connected to this pin.) Negative modulation output Bias output. ( RBM = 5 typ., RBMO=RBMOB = 3 k typ.) Voltage input that sets the LD modulation peak current. VM0 and VM1 have different control characteristic. If one pin is used, the other must be opened. Voltage input that sets the LD bias current. VB0 and VB1 have different control characteristic. If one pin is used, the other must be opened. Voltage input that controls turning on/off modulation current and the bias current Voltage input that selects clocked or non-clocked operation Bias current monitor positive output Bias current monitor negative output Voltage input that regulate circuit current Description Supply Voltage. VDDC and VDDO are not connected internally. 3.3 V 2.5 Gb/s Laser Diode Driver Function Table (1) Clocked Operation (VIN@SELIN=OPEN or VSS to VSS+0.2 V) Input DIN H L CKIN Current @ OUT ON OFF QO Output F0532506Q Current @ OUT OFF ON QOB QO QOB : Clock transition from high to low : Clock transition from low to high : Don't care : Previous current output status @ OUT before clock pulse : Previous current output status @ OUTB before clock pulse (2) Non-clocked Operation (VIN@SELIN=VDD-0.2 V to VDD) Input DIN H L CKIN Current @OUT ON OFF Output Current @OUTB OFF ON 3.3 V 2.5 Gb/s Laser Diode Driver Pin Assignments (Top View) F0532506Q 16 15 14 13 12 11 17 18 10 9 SUMITOMO ELECTRIC 0532506 #### 19 20 No.1 LEAD IDENTIFIER 1 2 3 4 5 6 8 7 1 2 3 4 5 6 7 8 9 :DINB :VTTD :DIN :CKIN :VTTCK :CKINB :SELIN :VDDC :VDDO 10 11 12 13 14 15 16 17 18 :BMB :BM :OUTBIAS :OUT :OUTB :VM0 :VM1 :VB0 :VB1 19 :VDDA 20 :DISIN (Note) The pins without numbering should be connected to VSS. VDDA ,VDDC and VDDO are not connected internally. 3.3 V 2.5 Gb/s Laser Diode Driver Test Circuits (1) DC Characteristics F0532506Q VSS 2200p 0.022 A A 0.022 DISIN DINB VDDA VTTD DIN VSS VB1 VB0 VM1 VM0 OUTB VSS OUT OUTBIAS BM VDDC VSS VDDO BMB 0.022 0.022 DC Source/ Monitor Unit A DC Source/ Monitor Unit A SUMITOMO ELECTRIC 0532506 #### A VSS CKINB VTTCK CKIN SELIN 0.022 Multi meter 3.3 V 2.5 Gb/s Laser Diode Driver (2) AC Characteristics F0532506Q VSS 2200p 0.022 A A 0.022 DISIN DINB VTTD VB0 VDDA VSS VB1 VM1 VM0 OUTB VSS OUT OUTBIAS BM VDDC VSS VDDO BMB DC 0.022 Source/ 0.022 Monitor Unit SUMITOMO ELECTRIC 0532506 #### Pulse Pattern Generator DIN A VSS CKINB VTTCK CKIN SELIN A Sampling Oscilloscope 0.022 A 3.3 V 2.5 Gb/s Laser Diode Driver Typical Characteristics (1) Modulation Current Modulation Current vs VM0 0.12 0.12 F0532506Q Modulation Current vs VM1 Modulation current [A] @ OUT Modulation current [A] @ OUT 0.1 0.08 0.06 0.04 0.02 0 -3.3 Ta=-20C Ta=25C Ta=85C 0.1 0.08 0.06 0.04 0.02 0 -3.3 Ta=-20C Ta=25C Ta=85C -3.1 -2.9 -2.7 -2.5 -2.3 -2.1 -2.8 -2.3 -1.8 Control Voltage [V] @ VMO Control Voltage [V] @ VMO Conditions VOUT@OUT=GND, VDD=GND, VSS=-3.3V VIN@DIN=-1.0V, VIN@DINB=-1.6V VOUT@OUTB, OUTBIAS=GND VM1=Open Conditions VOUT@OUT=GND, VDD=GND, VSS=-3.3V VIN@DIN=-1.0V, VIN@DINB=-1.6V VOUT@OUTB, OUTBIAS=GND VM1=Open Modulation Current vs DISIN Modulation current [A] @ OUT 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 -3 -2.5 -2 -1.5 -1 -0.5 0 Input Voltage [V] @DISIN Conditions VOUT@OUT=GND, VDD=GND, VSS=-3.3V VIN@DIN=-1.0V, VIN@DINB=-1.6V VOUT@OUTB, OUTBIAS=GND Ta=25C 3.3 V 2.5 Gb/s Laser Diode Driver (2) Bias Current F0532506Q Bias Current vs VB0 0.09 Bais Current [A] @ OUTBAIS Bias Current vs VB1 0.09 Ta=-20C Ta=25C Ta=85C 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 -3.3 -2.8 -2.3 Input Voltage [V] @ VB0 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0.00 -3.3 -2.8 -2.3 Ta=-20C Ta=25C Ta=85C -1.8 Voltage Input [V] @ VB1 Conditions VOUT@OUTBIAS=GND, VDD=GND, VSS=-3.3V VIN@DIN=-1.0V, VIN@DINB=-1.6V VOUT@OUT, OUTB=GND VB1=Open Conditions VOUT@OUTBIAS=GND, VDD=GND, VSS=-3.3V VIN@DIN=-1.0V, VIN@DINB=-1.6V VOUT@OUT, OUTB=GND VB0=Open 3.3 V 2.5 Gb/s Laser Diode Driver F0532506Q Application Guide (1) Data and Clock Input Interface (a) Differential ECL (or PECL) Interface Buffer-IC DINB Data VDD-2V VTTD DIN RIN RIN 10k typ. Vref 10k typ. F0532506Q CKINB RIN RIN 10k typ. Clock VDD-2V VTTD CKIN Vref 10k typ. *) RIN=50 typ., Vref=VDD-1.3 V typ. (b) Differential AC Coupled Interface Buffer-IC 0.022 D INB Data 0.022 V TTD DIN RIN RIN 10k typ. Vref 10k typ. 0.022 F0532506Q 100p CK INB Clock 100p V TTD CKIN RIN RIN 10k typ. Vref 10k typ. 100p *) RIN=50 typ., Vref=VDD-1.3 V typ. 3.3 V 2.5 Gb/s Laser Diode Driver (c) Single-Ended AC Coupled Interface F0532506Q 50 0.022 DINB Buffer-IC Data 0.022 0.022 V TTD DIN RIN RIN 10k typ. Vref 10k typ. F0532506Q Clock 100p CK INB 100p V TTD CKIN RIN RIN 10k typ. Vref 10k typ. 50 100p *) RIN=50 typ., Vref=VDD-1.3 V typ. (2) Disable Input and Selector Input Interface CMOS-IC DISIN F0532506Q 2.5k typ. VDD Disable 1.1k typ. A 0.5mA typ. Selector SELIN 2.5k typ. VSS VDD 10k typ. 1.1k typ. A 0.5mA typ. VSS 3.3 V 2.5 Gb/s Laser Diode Driver (3) Current Output Interface F0532506Q VDD OUTB Laser Diode or OUT F0532506Q OUTBIAS 5 typ. 3k typ. 3k typ. or BMB BM (4) Bias Current Monitor F0532506Q OUTBIAS 5 typ. 3k typ. 3k typ. R4 BM R1 R1 BMb R4 Op.Amp + *) Value of R1 to R4 should be enough larger than 25. Recommended value is 100K to 200 K. 3.3 V 2.5 Gb/s Laser Diode Driver (5) Timing Chart F0532506Q VIH CKIN VIL VIH DIN VIL IMON Current @OUT IMOFF IMON Current @OUTB IMOFF ts th 3.3 V 2.5 Gb/s Laser Diode Driver Package Drawings F0532506Q 0.7 typ. 0.7 typ. SUMITOMO ELECTRIC 0532506 #### 7.0-0.2 9.0-0.3 7.0-0.2 1.45-0.1 0.5-0.2 9.0-0.3 0.15 -0.05 +0.1 0.10-0.05 0.8 0.3-0.1 Dimension: millimeters |
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