ADN2873ACPZ-RL7 AD [Analog Devices], ADN2873ACPZ-RL7 Datasheet
ADN2873ACPZ-RL7
Related parts for ADN2873ACPZ-RL7
ADN2873ACPZ-RL7 Summary of contents
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FEATURES SFP/SFF and SFF-8472 MSA compliant SFP reference design available 50 Mbps to 4.25 Gbps operation Automatic average power control Typical 60 ps output rise/fall time VCSEL, DFB, and FP laser support Bias current range: from 100 ...
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ADN2873 TABLE OF CONTENTS Features .............................................................................................. 1 Applications ....................................................................................... 1 General Description ......................................................................... 1 Applications Diagram ...................................................................... 1 Revision History ............................................................................... 2 Specifications ..................................................................................... 3 SFP Timing Specifications ........................................................... 5 Absolute Maximum Ratings ............................................................ 6 ESD Caution .................................................................................. 6 Pin ...
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SPECIFICATIONS 3.6 V. All specifications T CC Table 1. Parameter LASER BIAS CURRENT (IBIAS) Output Current IBIAS Compliance Voltage IBIAS when ALS Is High MODULATION CURRENT (IMODP, IMODN) Output Current IMOD Compliance Voltage IMOD when ...
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ADN2873 Parameter IBMON, IMMON DIVISION RATIO 3 IBIAS/IBMON 3 IBIAS/IBMON 3 IBIAS/IBMON IBIAS/IBMON STABILITY 3, 10 IMOD/IMMON IBMON Compliance Voltage SUPPLY (with Respect to GND Temperature range is from −40°C to +85°C. 2 ...
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SFP TIMING SPECIFICATIONS Table 2. Parameter ALS Assert Time 1 ALS Negate Time 1 Time to Initialize, Including Reset of FAIL FAIL Assert Time ALS to Reset Time 1 Guaranteed by design and characterization. Not production tested. DATAP – DATAN ...
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ADN2873 ABSOLUTE MAXIMUM RATINGS Table 3. Parameter VCC to GND IMODN, IMODP All Other Pins Junction Temperature Operating Temperature Range, Industrial Storage Temperature Range Junction Temperature (T max Power Dissipation 2 θ Thermal Impedance JA θ Thermal Impedance ...
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PIN CONFIGURATION AND FUNCTION DESCRIPTIONS Table 4. Pin Function Descriptions Pin No. Mnemonic 1 CCBIAS 2 PAVSET 3 GND 4 VCC 5 PAVREF 6 RPAV PAVCAP 9 GND 10 DATAP 11 DATAN 12 ALS 13 ERSET 14 ...
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ADN2873 TYPICAL PERFORMANCE CHARACTERISTICS SINGLE-ENDED OUTPUT These performance characteristics were measured using the high speed electrical single-ended output circuit shown in Figure MODULATION CURRENT (mA) Figure 7. Rise Time vs. Modulation ...
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DIFFERENTIAL OUTPUT These performance characteristics were measured using the high speed electrical differential output circuit shown in Figure MODULATION CURRENT (mA) Figure 11. Rise Time vs. Modulation Current ...
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ADN2873 PERFORMANCE CHARACTERISTICS 240 220 100 I = 90mA IBIAS 180 160 I = 40mA IBIAS 140 120 100 MODULATION CURRENT (mA) Figure 15. Total Supply Current vs. Modulation Current Total Supply Current ...
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FAIL ASSERTED FAULT FORCED ON PAVSET Figure 21. FAIL Assert Time,1 μs/DIV Figure 22. Time to Initialize, Including Reset, 40 ms/DIV Rev Page ADN2873 TRANSMISSION ON POWER SUPPLY TURNED ON ...
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ADN2873 OPTICAL WAVEFORMS V = 3.3 V and T = 25°C, unless otherwise noted. Note that there was no change to PAVCAP and ERCAP values when different data CC A rates were tested. Figure 23, Figure 24, and Figure 25 ...
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THEORY OF OPERATION Laser diodes have a current-in to light-out transfer function, as shown in Figure 28. Two key characteristics of this transfer function are the threshold current and the laser slope in the TH linear region beyond ...
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ADN2873 Tx_DISABLE Tx_FAULT ANALOG DEVICES MICROCONTROLLER DAC ADC DAC Figure 29. Using Microconverter Voltage Setpoint Calibration and Monitoring PAVREF MPD RPAV PAVSET V GND CC ERREF ERSET GND Figure 30. Using Resistor Setpoint Calibration of Average ...
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RESISTOR SETPOINT CALIBRATION In resistor setpoint calibration, the PAVREF, ERREF, and RPAV pins must all be tied to VCC. The average power and extinction ratio can be set using the PAVSET and ERSET pins, respectively. A resistor is placed between ...
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ADN2873 V CC PHOTODIODE PAVSET ADN2873 MICROCONVERTER ADC INPUT R Figure 34. Recommended Method of I MPD Sense Resistor in Resistor Setting Mode LOOP BANDWIDTH SELECTION To ensure that the ADN2873 control loop has sufficient bandwidth, the average power loop ...
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DATA INPUTS Data inputs should be ac-coupled (10 nF capacitors are recom- mended) and are terminated via a 100 Ω internal resistor between the DATAP and DATAN pins. A high impedance circuit sets the common-mode voltage and is designed to ...
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ADN2873 ALARMS The ADN2873 has a latched, active high monitoring alarm (FAIL). The FAIL alarm output is open drain in conformance with SFP MSA specification requirements. The ADN2873 has a three-fold alarm system that covers • Use of a bias ...
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... OUTLINE DIMENSIONS PIN 1 INDICATOR 1.00 0.85 0.80 SEATING PLANE ORDERING GUIDE Model Temperature Range 1 ADN2873ACPZ −40°C to +85°C 1 ADN2873ACPZ-RL −40°C to +85°C 1 ADN2873ACPZ-RL7 −40°C to +85° RoHS Compliant Part. 4.00 BSC SQ 0.60 MAX 0.50 BSC TOP 3.75 VIEW BSC SQ 0.50 0.40 0.30 0.80 MAX 12° MAX 0.65 TYP 0.05 MAX ...
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ADN2873 NOTES ©2008 Analog Devices, Inc. All rights reserved. Trademarks and registered trademarks are the property of their respective owners. D07493-0-6/08(0) Rev Page ...