F0522501Q Gb/s Data Rate Laser Diode Driver Application
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Features Gb/s (FEC available) high speed operation Clocked (MS-D/FF) Non-clocked operation selected Disable function modulation current bias current Bias current monitoring Mark density monitoring single power supply modulation current bias current Differential compatible interface On-chip terminations Internal voltage reference coupling
F0522501Q
Gb/s Data Rate
Laser Diode Driver
Applications Laser diode driver optical transmitter circuit Gb/s (FEC available)
Functional Description F0522501Q high performance GaAs laser diode driver applicable optical transmitter circuit Gb/s data rate (especially suitable [STM-16] SONET [OC-48]) featuring capable operation signal. F0522501Q specifies rise time fall time %-80 typically. features single supply operation, modulation current between bias current between while dissipating power around typical value
Gb/s Laser Diode Driver
Absolute Maximum Ratings
F0522501Q
Ta=25 unless specified
Parameter Supply Voltage Supply Current Input Voltage (DIN ,DINB ,CKIN ,CKINB) Input Voltage (DISIN ,SELIN) Input Voltage (VMIN ,VBIN) Output Voltage (OUT,OUTB,OUTBIAS) Output Voltage (MRK,MRKB,BM,BMB) Termination Voltage (VTTD ,VTTCK) Storage Temperature Ambient Operating Temperature Symbol VDD-VSS Icon VINC1 VINC2 VOUT VOUVTT Tstg Value +7.0 VDD+0.5 VDD+0.5 VSS+1.5 VDD-2.0 VDD+0.5 VDD+0.5 VDD-2.5 VDD+0.5 +125 Units
Recommended Operating Conditions
Parameter
Symbol Min.
Value Typ. 5.00 VDD-1.0 Max. 5.46
Units
Supply Voltage Output Voltage Ambient Operating Temperature
VDD-VSS VOUT
4.75 VDD-1.6
Gb/s Laser Diode Driver
Electrical Characteristics
F0522501Q
Ta=25 VDD- VSS=4.75 5.46
Value Parameter Circuit Current Input Voltage (ECL) Input Voltage (AC) Input Resistor Symbol ICKT IMMAX Modulation Peak Current(2) IMMIN IMDIS IBMAX Bias Current IBMIN IBDIS Input Voltage (SEL) VSELIH VSELIL Input Voltage (DIS) Bias Monitor Resistor Mark Density Monitor Voltage Rise Time(3) Fall Time(3) Setup Time Hold Time Maximum Clock Frequency Maximum Data Rate VDISIH VDISIL
(VMRK-VMRKB)
Test Conditions Min. VMIN =VBIN=VSS Differential Input Differential Input VMIN =VSS+1.5V VMIN =VSS VDISIN=VDD-1.5V VBIN=VSS+1.5V VBIN=VSS VDISIN=VDD-1.5V Non-Clocked Clocked opelation Disable opelation Enable opelation VDD-1.0 VDD-1.9 VDD-1.5 VDD-1.5 Differential Mode Date: VSEL=OPEN VSS+1.5V VSEL=VDD-1.5V Typ. VDD-0.9 VDD-1.7 OPEN OPEN Max. VDD-0.7 VDD-1.6 VSS+1.5 VSS+1.5
Units Vp-p
Gbps
fmax fopr
Excluding input current, modulation current bias current. Modulation peak current measured "OUT" pin. Rise time fall time measured "OUT" pin.
Gb/s Laser Diode Driver
Block Diagram
MRKB RMRK VTTD DINB Input Buffer Vref Generator CKIN VTTCK CKINB Input Buffer RMRKB Mod. Circuit OUTB ROUTB OUTBIAS VMIN Bias circuit RBMO
F0522501Q
D/FF
Selector
RBMOB
Control Circuit
SELIN DISIN
VBIN
Descriptions Positive data input DINB Negative data input VTTD Termination data input CKIN Positive clock input CKINB Negative clock input VTTCK Termination clock input Positive modulation output should connected this pin.) OUTB Negative modulation output (ROUTB=15 typ.) OUTBIAS Bias output (RBM=10 typ., RBMO=RBMOB=3 typ.) VMIN Voltage input that sets modulation peak current VBIN Voltage input that sets bias current DISIN Voltage input that controls turning on/off modulation current bias current SELIN Voltage input that selects clocked non-clocked operation Bias current monitor positive output Bias current monitor negative output Mark density monitor positive output (RMRK=25 typ.) MRKB Mark density monitor negative output (RMRKB=25 typ.)
Gb/s Laser Diode Driver
Function Table Clocked Operation (VIN@SELIN=OPEN VSS+1.5V) Input CKIN Current@OUT Output
F0522501Q
Current@OUTB
Clock transition from high Don't care Previous current output status @OUT before clock pulse Previous current output status @OUTB before clock pulse
Non-clocked Operation (VIN@SELIN=VDD-1.5V VDD) Input CKIN Current@OUT Output Current@OUTB
Gb/s Laser Diode Driver
Assignments (Top View)
F0522501Q
SUMITOMO ELECTRIC 0522501 ####
No.1 LEAD IDENTIFIER
:DINB :VTTD :DIN :CKIN :VTTCK :CKINB :SELIN :VDDC :VDDO
:BMB :OUTBIAS :OUT :OUTB :DNC :VMIN :VBIN :MRKB
:MRK :DISIN
pins without numbering should connected VSS. (**) VDDC VDDO connected internally. (***) user connection pin.
Gb/s Laser Diode Driver
Test Circuits Characteristics
F0522501Q
Multimeter
2200p
2200p 0.022µ
0.022µ 0.022µ
0.022µ
DISIN DINB VBIN MRKB VMIN OUTB OUTBIAS VDDC VDDO
Source/ Monitor Unit
VTTD CKIN VTTCK CKINB SELIN
Source/ Monitor Unit
SUMITOMO ELECTRIC 0522501 ####
0.022µ
Multimeter
Gb/s Laser Diode Driver
Characteristics
F0522501Q
Multimeter
2200p 0.022µ 2200p
0.022µ 0.022µ Source/
VBIN MRKB
0.022µ
DISIN DINB VTTD
Monitor Unit
VMIN OUTB
SUMITOMO ELECTRIC 0522501 ####
Pulse Pattern Generator
CKIN VTTCK CKINB SELIN
Sampling Oscilloscope
OUTBIAS VDDO
VDDC
0.022µ
Gb/s Laser Diode Driver
Typical Characteristics Modulation Current
Modulation Current
F0522501Q
Leak Current Modulation
Modulation Current (mA) @OUT
Modulation Current (µA) @OUT
Ta=25°C -1.5 -0.5
VSS=-5.50V VSS=-5.25V VSS=-5.00V VSS=-4.75V
Input Voltage
Ambient Operating Temperature (°C)
Conditions VDD=GND, VSS=-5 VIN@DINB=-1.3 VMIN@IMpeak=60 VBIN=VSS VOUT@OUT, OUTB OUTBIAS=GND
Conditions VDD=GND, VIN@DIN=-1.6 VIN@DINB=-1.3 VMIN@IMpeak=60 VBIN=VSS VOUT@OUT, OUTB OUTBIAS=GND
Modulation Current (mA) @OUT
-4.5 -3.5 Ta=-44°C Ta=0°C Ta=25°C Ta=70°C Ta=85°C
Modulation Current (mA) @OUT
Modulation Current VMIN
Modulation Current VMIN
-4.5 -3.5 Ta=-44°C Ta=0°C Ta=25°C Ta=70°C Ta=85°C
Control Voltage VMIN
Control Voltage VMIN
Conditions VOUT@OUT=GND VDD= VSS= VIN@DIN=-1.0 VIN@DINB=-1.3 VBIN=VSS VOUT@OUTB OUTBIAS=GND
Conditions VOUT@OUT=-1.6 VDD= GND, VSS= VIN@DIN=-1.0 VIN@DINB=-1.3 VBIN=VSS VOUT@OUTB OUTBIAS=GND
Gb/s Laser Diode Driver
Bias Current
Bias Current DISIN
F0522501Q
Leak Current Bias
Bias Current (mA)
Bias Current (µA)
Ta=25°C
VSS=-5.50V VSS=-5.25V VSS=-5.00V VSS=-4.75V
Input Voltage DISIN
Ambient Operating Temperature (°C)
Conditions VDD=GND, VSS=-5 VIN@DIN=-1.0 VIN@DINB=-1.3 VMIN=VSS VBIN@IB=60mA VOUT@OUT, OUTB OUTBIAS=GND
Conditions VDD=GND, VIN@DIN=-1.0 VIN@DINB=-1.3 VIN@DISIN=-1.5 VMIN=VSS VBIN@IB=60 VOUT@OUT, OUTB OUTBIAS=GND
Bias Current VBIN
Bias Current VBIN
Bias Current (mA)
-4.5 Ta=-44°C Ta=0°C Ta=25°C Ta=70°C Ta=85°C -3.5
Bias Current (mA)
-4.5 Ta=-44°C Ta=0°C Ta=25°C Ta=70°C Ta=85°C -3.5
Control Voltage VBIN
Control Voltage VBIN
Conditions VOUT@OUTBIAS=GND VDD= VSS= VIN@DIN=-1.0 VIN@DINB=-1.3 VMIN=VSS VOUT@OUT, OUTB =GND
Conditions VOUT@OUTBIAS =-1.6 VDD= GND, VSS= VIN@DIN=-1.0 VIN@DINB=-1.3 VMIN=VSS VOUT@OUT, OUTB =GND
Gb/s Laser Diode Driver
Circuit Current
F0522501Q
Circuit Current
Circuit Current (mA)
VSS=-5.50V VSS=-5.25V VSS=-5.00V VSS=-4.75V
Ambient Operating Temperature (°C)
Conditions VDD=GND, VIN@DIN=-1.0V VIN@DINB=-1.3 VMIN=VSS VBIN=VSS VOUT@OUT, OUTB OUTBIAS =GND
Signal Input Resistor Bias Monitor Resistor
Signal Input Resistor
Bias Monitor Resistor
VSS=-5.50V VSS=-5.25V VSS=-5.00V VSS=-4.75V
Resitance
VSS=-5.50V VSS=-5.25V VSS=-5.00V VSS=-4.75V
Resitance
Ambient Operating Temperature (°C)
Ambient Operating Temperature (°C)
Conditions =GND, VSS= VIN@DIN=-1.0 VIN@DINB=-1.3 VMIN=VSS VBIN=VSS VOUT@OUT, OUTB OUTBIAS =GND
Conditions =GND, VSS= VIN@DIN=-1.0 VIN@DINB=-1.3V, VMIN=VSS VBIN@IB=60 VOUT@OUT, OUTB OUTBIAS =GND
Gb/s Laser Diode Driver
Mark Density Monitor Voltage
F0522501Q
Monitor Output Mark Density
-1.0 -2.0
VMRK
Mark Density
Conditions (See test circuits characteristics) VDD=GND, VSS=-5 @2.48832 Gb/s, PRBS223-1 VIN@DIN DINB CKIN CKINB=-0.9 V/-1.7 VMIN@IMpeak=60 VBIN=VSS VOUT@OUTBIAS=GND, Ta=25
Monitor Output All"H"Data
Monitor Output All"L"Data
VSS=-5.50V VSS=-5.25V VSS=-5.00V VSS=-4.75V
VMRK(V)
VSS=-5.50V VSS=-5.25V VSS=-5.00V VSS=-4.75V
VMRK(V)
-0.5 -1.0 -1.5 -2.0
Ambient Operating Temperature (°C)
Ambient Operating Temperature (°C)
Conditions VDD=GND, VIN@DIN=-1.0 VIN@DINB=-1.3 VMIN@IMpeak=60 VBIN=VSS VOUT@OUT, OUTB OUTBIAS=GND
Conditions VDD=GND, VIN@DIN=-1.6 VIN@DINB=-1.3 VMIN@IMpeak=60 VBIN=VSS VOUT@OUT, OUTB OUTBIAS=GND
Gb/s Laser Diode Driver
(6)-(a) Erectrical Output Waveform @Clocked Operation
F0522501Q
mV/div
ps/div Conditions Ta=25 VDD=GND, VSS=-5 Gb/s, PRBS223-1 VM=-3.9V,VB=-5.0V,RL=15 ohms
mV/div
ps/div Conditions Ta=25 VDD=GND, VSS=-5 Gb/s, PRBS223-1 VM=-3.9V,VB=-5.0V,RL=15 ohms
Gb/s Laser Diode Driver
(6)-(b) Erectrical Output Waveform @non-Clocked Operation
F0522501Q
Conditions Ta=25 VDD=GND, VSS=-5 Gb/s, PRBS223-1 VM=-3.9V,VB=-5.0V,RL=15 ohms
Conditions Ta=25 VDD=GND, VSS=-5 Gb/s, PRBS223-1 VM=-3.9V,VB=-5.0V,RL=15 ohms
Gb/s Laser Diode Driver
(7)-(a) Optical Output Waveform @2.48832Gb/s (1310nm FP-LD)
F0522501Q
Conditions Ta=25 VDD=GND, VSS=-5 @2.48832 Gb/s, PRBS223-1 VIN@DIN DINB CKIN CKINB=0.8Vp-p coupled)
Conditions Ta=25 VDD=GND, VSS=-5 @2.48832 Gb/s, PRBS223-1 VIN@DIN DINB CKIN CKINB=0.8Vp-p coupled) with fourth order Bessel-Thompson filter
Gb/s Laser Diode Driver
(7)-(b) Optical Output Waveform @2.48832Gb/s (1310nm DFB-LD)
F0522501Q
Conditions Ta=25 VDD=GND, VSS=-5 @2.48832 Gb/s, PRBS223-1 VIN@DIN DINB CKIN CKINB=0.8 Vp-p coupled)
Conditions Ta=25 VDD=GND, VSS=-5 @2.48832 Gb/s, PRBS223-1 VIN@DIN DINB CKIN CKINB=0.8 Vp-p coupled) with fourth order Bessel-Thompson filter
Gb/s Laser Diode Driver
Test Circuit
F0522501Q
Pulse Pattern Generator
F0522501Q
Laser Diode*)
Optical Sampling Waveform Oscillo -scope Fiber Monitor
1310nm DFB-LD:SLT4200Series (Sumitomo Electric Industries, LTD.) 1310nm FP-LD:SLT4100Series (Sumitomo Electric Industries, LTD.)
Application Guide
Data Clock Input Interface Differential PECL) Interface
Buffer-IC
DINB
Data
VDD-2V
VTTD
typ.
Vref
typ.
F0522501Q
CKIN typ.
Clock
VDD-2V
VTTD CKINB
Vref
typ.
RIN=50 typ., Vref=VDD-1.4 typ.
Gb/s Laser Diode Driver
Differential Coupled Interface
F0522501Q
Buffer-IC 0.022µ Data 0.022µ
typ.
Vref
typ.
0.022µ
F0522501Q
100p Clock 100p
CKINB typ.
Vref
typ.
100p
RIN=50 typ., Vref=VDD-1.4 typ.
Single-Ended Coupled Interface
0.022µ DINB Buffer-IC Data 0.022µ 0.022µ
typ.
Vref
typ.
F0522501Q
Clock 100p 100p
CKINB typ.
Vref
typ.
100p
RIN=50 typ., Vref=VDD-1.4 typ.
Gb/s Laser Diode Driver
Disable Input Selector Input Interface
F0522501Q
CMOS-IC Disable
DISIN typ.
typ. 6.5k typ.
F0522501Q
Selector
SELIN typ. typ. 6.5k typ.
Current Output Interface
OUTB
typ.
Laser Diode
F0522501Q
OUTBIAS
typ. typ. typ.
Gb/s Laser Diode Driver
Bias Current Monitor Mark Density Monitor Interface
F0522501Q
typ.
MRKB
typ.
F0522501Q
OUTBIAS
typ. typ. typ.
Vref1
Voltage MRKB VDD-1.8V typ. Vref2 @50% Mark Density. Value should enough larger than Recommended value 100k 200k.
Gb/s Laser Diode Driver
Timing Chart
F0522501Q
CKIN IMON Current @OUT IMOFF IMON Current @OUTB IMOFF
Gb/s Laser Diode Driver
Package Drawings
F0522501Q
typ.
typ.
SUMITOMO ELECTRIC 0522501 ####
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
Dimension:millimeters
0.3±0.1
Gb/s Laser Diode Driver
(Auto Power Control) Sample Circuit
F0522501Q
Module
Monitor PIN-PD
F0522501Q
OUTBIAS
Vreg
Op.Amp.
Op.Amp.
Op.Amp.
RT:thermister
Electron Device Department
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