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SS1101-ALUA bảng dữ liệu(PDF) 4 Page - SEC Electronics Inc. |
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SS1101-ALUA bảng dữ liệu(HTML) 4 Page - SEC Electronics Inc. |
4 / 7 page SS1101-A Unipolar Hall Switch-Low Sensitivity General Electrical Specifications DC Operating Parameters TA = 25°C, VDD= 3.3V to 24V (unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Units Supply Voltage VDD Operating 3.3 24 V Supply Current IDD B < BRP 1.5 2.5 5 mA Output Saturation Voltage VDSon IOUT = 20mA, B > BOP 0.4 0.5 V Output Leakage Current IOFF B < BRP VOUT = 24V 0.01 10 µA Output Rise Time tr RL = 1kΩ, CL = 20pF 0.25 µs Output Fall Time tf RL =1kΩ, CL = 20pF 0.25 µs Magnetic Specifications DC Operating Parameters VDD = 3.3V to 24V (unless otherwise specified) Parameter Symbol Test Conditions Min Typ Max Units Operating Point BOP 45 80 110 G Release Point BRP 10 50 95 G Hysteresis BHYS Ta=25°C,Vdd=12V DC 30 G Application Information Typical Three-Wire Application Circuit Application Comments For proper operation, a 100nF bypass capacitor should be placed as close as possible to the device between the VDD and ground pin. For reverse voltage protection, it is recommended to connect a resistor or a diode in series with the VDD pin. When using a resistor, three points are important: - the resistor has to limit the reverse current to 50mA maximum (VCC / R1 ≈50mA) - the resulting device supply voltage VDD has to be higher than VDD min (VDD = VCC – R1.IDD) - the resistor has to withstand the power dissipated in reverse voltage condition (PD = VCC 2/ R1) When using a diode, a reverse current cannot flow and the voltage drop is almost constant (≈0.7V). Therefore, a 100 Ω/0.25W resistor for 5V application and a diode for higher supply voltage are recommended. Both solutions provide the required reverse voltage protection. 4 V1.00 Nov 26, 2012 |
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