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LTC5100 датащи(PDF) 4 Page - Linear Technology |
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LTC5100 датащи(HTML) 4 Page - Linear Technology |
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4 / 52 page ![]() LTC5100 4 sn5100 5100fs ELECTRICAL CHARACTERISTICS The q denotes the specifications which apply over the full operating temperature range, otherwise specifications are at TA = 25°C; VDD = VDD(HS) = 3.3V, IS = 24mA; IM = 12mA (IMPP = 24mA); 49.9Ω, 1% resistor from SRC (Pin 14) to MODA (Pin 11); 50 Ω, 1% load AC coupled to MODB (Pin 10); 10nF, 10% capacitor from SRC (Pin 14) to VSS; Cml_en = 0, Lpc_en = 1, transmitter enabled, unless otherwise noted. Test circuit in Figure 5. PARAMETER CONDITIONS MIN TYP MAX UNITS Automatic Power Control (Note 14) Temperature Compensation (Note 17) Linear Tempco Resolution 254 • Imd_nom/1024 ppm/ °C Linear Tempco Range ±32300 • Imd_nom/1024 ppm/ °C ADC Resolution 10 Bits Source Current Measurement, IS (SRC Pin Current) Full Scale Is_rng = 0 9 mA Is_rng = 1 18 mA Is_rng = 2 27 mA Is_rng = 3 36 mA Accuracy ±3% of Full Scale ±25% of Reading Average Modulation Current Measurement, IM (Note 18) Full Scale Im_rng = 0 9 mA Im_rng = 1 18 mA Im_rng = 2 27 mA Im_rng = 3 36 mA Accuracy ±3% of Full Scale ±25% of Reading Laser Diode Voltage Measurement Full Scale 3.5 V Accuracy ±150mV ±10% of Reading Monitor Diode Current Measurement (Note 19) Full Scale Imd_rng = 0 34 µA Imd_rng = 1 136 µA Imd_rng = 2 544 µA Imd_rng = 3 2176 µA Zero Scale ADC Code = 0 1/8 of Full Scale Resolution Relative to Reading 0.2 % Accuracy ±25% of Reading Temperature Measurement Full Scale Celsius 239 °C Sensitivity 0.500 °C/LSB Termination Resistor Voltage Measurement Full Scale Is_rng = 0 400 mV Is_rng = 1 800 mV Is_rng = 2 1200 mV Is_rng = 3 1600 mV Accuracy ±30mV ±10% of Reading Safety Shutdown, Undervoltage Lockout (UVLO) Undervoltage Detection VDD Decreasing 2.8 V Undervoltage Detection Hysteresis 150 mV |
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