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MAX3667 Datasheet(PDF) 4 Page - Maxim Integrated Products |
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MAX3667 Datasheet(HTML) 4 Page - Maxim Integrated Products |
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+3.3V, 622Mbps SDH/SONET Laser Driver with Automatic Power Control 4 _______________________________________________________________________________________ __________________________________________Typical Operating Characteristics (TA = +25°C, VCC = +3.3V, unless otherwise noted.) 161ps/div 52mV/ div EYE DIAGRAM (622Mbps, 1300nm LASER, 470MHz FILTER) 223 - 1PRBS IMOD = 15mA DIFF. INPUT = 640mVp-p 161ps/div 20mV/ div EYE DIAGRAM (622Mbps, 10 Ω LOAD) 223 - 1PRBS IMOD = 15mA DIFF. INPUT = 1.7Vp-p 10ps/div 5mV/ div OUTPUT JITTER (622Mbps, 10 Ω LOAD) IMOD = 20mA DIFF. INPUT = 1.7Vp-p ∆RMS = 3.2ps 180 160 140 0 200 1k 40k IBIAS vs. RBIASSET 60 40 20 120 100 80 RBIASSET (Ω) 10k VIBIAS = 1.7V 10 Ω LOAD 0 30 20 10 60 50 40 70 80 1k 10k 40k IBIAS vs. RAPCSET (VARYING MONITOR-TO-LASER CURRENT GAIN) RAPCSET (Ω) GAIN = 90 GAIN = 60 GAIN = 30 GAIN = 15 160 140 120 0 IQMOD vs. RMODSET 60 40 20 100 80 RMODSET (Ω) 200 1k 40k 10k 10 Ω LOAD 0 0.4 0.3 0.2 0.1 0.7 0.6 0.5 0.8 0.9 1k 10k 40k IMD vs. RAPCSET RAPCSET (Ω) APC LOOP CLOSED RBIASSET = 2kΩ RMODSET = 2kΩ MONITOR-TO-LASER CURRENT GAIN = 82 0 20 60 40 100 80 120 -40 -15 10 35 60 85 PULSE-WIDTH DISTORTION vs. TEMPERATURE TEMPERATURE (°C) VCC = +3.3V VCC = +5.0V IMOD = 30mA 0 20 60 40 100 80 120 10 20 30 40 50 55 45 35 25 15 60 PULSE-WIDTH DISTORTION vs. IMOD IMOD (mA) VCC = +3.3V VCC = +5.0V |
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