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ADN2847ACP-32-RL Arkusz danych(PDF) 2 Page - Analog Devices |
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ADN2847ACP-32-RL Arkusz danych(HTML) 2 Page - Analog Devices |
2 / 12 page REV. 0 –2– ADN2847–SPECIFICATIONS Parameter Min Typ Max Unit Conditions/Comments LASER BIAS (BIAS) Output Current IBIAS 2 100 mA Compliance Voltage 1.2 VCC V IBIAS during ALS 0.1 mA ALS Response Time 5 µsI BIAS < 10% of nominal CCBIAS Compliance Voltage 1.2 VCC V MODULATION CURRENT (IMODP, IMODN) 2 Output Current IMOD 580 mA Compliance Voltage 1.5 VCC V IMOD during ALS 0.1 mA Rise Time (See Figure 4 for Typical Distribution) 3 80 120 ps Fall Time (See Figure 5 for Typical Distribution) 3 80 120 ps Random Jitter 3 1 1.5 ps RMS Pulsewidth Distortion 3 15 ps IMOD = 40 mA MONITOR PD (MPD, MPD2) Current 50 1200 µAAverage Current Compliance Voltage 1.65 V POWER SET INPUT (PSET) Capacitance 80 pF Monitor Photodiode Current into RPSET Resistor 50 1200 µAAverage Current Voltage 1.1 1.2 1.3 V EXTINCTION RATIO SET INPUT (ERSET) Allowable Resistance Range 1.2 25 k Ω Voltage 1.1 1.2 1.3 V ALARM SET (ASET) Allowable Resistance Range 1.2 25 k Ω Voltage 1.1 1.2 1.3 V Hysteresis 5 % CONTROL LOOP Low Loop Bandwidth Selection Time Constant 0.22 s LBWSET = GND 2.25 s LBWSET = VCC DATA INPUTS (DATAP, DATAN, CLKP, CLKN) 4 V p-p (Single-Ended, Peak-to-Peak) 100 500 mV Data and Clock Inputs Are Input Impedance (Single-Ended) 50 Ω AC-Coupled tSETUP 5 (See Figure 1) 50 ps tHOLD 5 (See Figure 1) 100 ps LOGIC INPUTS (ALS, LBWSET, CLKSEL) VIH 2.4 V VIL 0.8 V ALARM OUTPUTS (Internal 30 k Ω Pull-Up) VOH 2.4 V VOL 0.8 V IDTONE Compliance Voltage VCC –1.5 V I I Ratio OUT IN 2 fIN 6 0.01 1 MHz IBMON, IMMON, IMPDMON, IMPDMON2 IBMON, IMMON Division Ratio 100 A/A IMPDMON, IMPDMON2 1 A/A IMPDMON to IMPDMON2 Matching 2 % IMPD = 1200 µA Compliance Voltage 0 VCC –1.2 V (V CC = 3.0 V to 3.6 V. All specifications TMIN to TMAX, unless otherwise noted. 1 Typical values as specified at 25 C.) User to Supply Current Sink in the Range of 50 µA to 4 mA |
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