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MAX3667 Datasheet(PDF) 3 Page - Maxim Integrated Products |
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MAX3667 Datasheet(HTML) 3 Page - Maxim Integrated Products |
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+3.3V, 622Mbps SDH/SONET Laser Driver with Automatic Power Control _______________________________________________________________________________________ 3 Note 1: Dice are tested at TA = +27°C. Note 2: Minimum voltage at IBIAS = VCC - 1.6V. Note 3: The sum of the currents flowing into VCC and PULLUP with RBIASSET = RMODSET = RAPCSET = 2kΩ, IN+ = 1.82V, IN- = 2.14V. Note 4: APC is connected to BIASSET for closed-loop operation. Note 5: Bias current range is guaranteed by the IBIASSET to IBIAS gain test. Note 6: RPULL-UP is connected between IMOD and PULLUP. Note 7: VREF is the voltage on BIASSET, MODSET, or APCSET with RBIASSET = RMODSET = RAPCSET = 2kΩ. Note 8: APC is disconnected from BIASSET for open-loop operation. Note 9: Bias current stability is guaranteed by design and characterization. Note 10: IQMOD is the current flowing into the collector of QMOD (Figure 1). Note 11: AC parameters are guaranteed by design and characterization. Note 12: Modulation current range is guaranteed by the IMODSET to IQMOD gain test. Note 13: Input signal is a 155Mbps 1-0 pattern. PWD = [(width of wider pulse) - (width of narrower pulse)] / 2. Disable = high Disable = high Closed loop (Note 4) RAPCSET = 33.2kΩ RAPCSET = 2kΩ VIN = 3.52V VIN = 3.84V RMODSET = 33.2kΩ (Note 10) RMODSET = 2kΩ (Note 10) RBIASSET = 2kΩ RMODSET = 2kΩ (Note 10) RBIASSET = 2kΩ RBIASSET = 33.2kΩ CONDITIONS µA 8 IIH PECL Input Low Current µA 9 IIH PECL Input High Current V 3.52 VIL PECL Input Low Voltage V 3.84 VIH PECL Input High Voltage µA 32 250 Modulation Off Current µA 2 250 mA 134 160 ICC Supply Current (Note 3) Bias Off Current 145 182 220 A/A 132 166 200 AI IAPCSET to IBIAS Gain 188 230 285 A/A 168 240 315 AI IMODSET to IQMOD Gain A/A 38 AI BIASMON to IBIAS Gain A/A 26 33 40 AI MODMON to IQMOD Gain A/A 145 180 220 AI IBIASSET to IBIAS Gain 143 180 215 UNITS MIN TYP MAX SYMBOL PARAMETER VCC = 5.0V ±5%, 20% to 80% VCC = 3.3V ±5%, 20% to 80% RFILT = 22Ω, RDAMP = 0Ω (Note 12) VCC = 3.3V ±5%, 20% to 80% VCC = 5.0V ±5%, 20% to 80% RFILT = 22Ω, RDAMP = 0Ω (Note 13) CONDITIONS 205 400 ps 270 450 tr mA 5 60 IMOD Modulation Current Range Output Rise Time ps 425 650 tf Output Fall Time 315 600 % ±10 Output Aberrations ps 70 PWD Pulse-Width Distortion UNITS MIN TYP MAX SYMBOL PARAMETER DC ELECTRICAL CHARACTERISTICS (VCC = +5.0V ±5%, TA = -40°C to +85°C, unless otherwise noted.) (Notes 1, 2) AC ELECTRICAL CHARACTERISTICS (VCC = +3.3V ±5%, TA = -40°C to +85°C, RLOAD = 10Ω, unless otherwise noted.) (Notes 2, 11) |
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