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ADM1487 Scheda tecnica(PDF) 2 Page - Analog Devices |
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ADM1487 Scheda tecnica(HTML) 2 Page - Analog Devices |
2 / 8 page ADM1487 –2– Rev. PrC PRELIMINARY TECHNICAL DATA ADM1487SPECIFICATIONS DC ELECTRICAL CHARACTERISTICS (VCC = +5V ±5%, TA = 0°C TO +70°C, UNLESS OTHERWISE NOTED) Parameter Min Typ Max Units Test Conditions/Comments Differential Driver Output Voltage,VOD1 5 V Unloaded, IO = 0 Differential Driver Output Voltage, VOD2 2.0 V Figure 1, R = 50 (RS-422) 1.5 5 V Figure 1, R = 27 (RS-485) Change in Magnitude of Driver 0.2 V Figure 1, R = 27 or R = 50 Differential Output Voltage for Complementary Output States, VOD Driver Common-Mode Output 3 V Figure 1, R = 27 or R = 50 Voltage, VOC Change in Magnitude of Driver 0.2 V R = 27 or R = 50 Common-Mode Output Voltage for Complementary Output States, |VOC| Input High Voltage (DE, DI, RE), V IH 2V Input Low Voltage (DE, DI, RE), V IL 0.8 V Input Current (DE, DI, RE), I IN1 ±2 µA Input Current (A, B), IIN2 0.30 m A DE = 0, VCC= 0V or 5.25V, VIN = 12V -0.15 m A DE = 0, VCC = 0V or 5.25V, VIN = –7V Differential Input Threshold Voltage -0.2 0.2 V –7V VCM 12V for Receiver, VTH Receiver Input Hysteresis, VTH 45 m V VCM = 0V Receiver Output High Voltage, VOH 3.5 V IO =-4mA, VID = 200mV Receiver Output Low Voltage, VOL 0.4 V IO = 4mA, VID = –200mV Three-State (High Impedance) Output ± 1 µ A VCC = Max, 0.4V Vo 2.4V Current at Receive, IOZR Receiver Input Resistance, RIN 70 96 k –7V VCM 12V Supply Current, ICC 120 200 µ A No Load, Output Enabled 80 120 µ A No Load, Output Disabled Supply Current in Shutdown Mode, ISHDN 1 10 µ A DE = 0V, RE = V CC Driver Short-Circuit Ourrent, IOSD1 35 250 m A VOUT = HIGH, –7V VO 12V Driver Short-Circuit Ourrent, IOSD2 35 250 m A VOUT = LOW, –7V Vo 12V Receiver Short-Circuit Current, IOSR 7 85 m A 0V VO VOC |
Codice articolo simile - ADM1487_15 |
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Descrizione simile - ADM1487_15 |
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