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L9616 数据表(PDF) 3 Page - STMicroelectronics |
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L9616 数据表(HTML) 3 Page - STMicroelectronics |
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3 / 8 page ![]() ELECTRICAL CHARACTERISTICS (TOP = -40 to 125°C; VS = 4.5 to 5.5V; Dominat: VTXO = GND; Re- cessive: VTXO = VS; All voltages, except bus voltage, are defined with respect to pin 2. Positive currents flow into the IC unless otherwise specified.) Symbol Parameter Test Condition Min. Typ. Max. Unit VS Supply Voltage 4.5 5 5.5 V IS Supply Current Dominant 80 mA Recessive 20 mA TRANSMITTER SECTION (RA = 60 Ω between C_H and C_L) CTXO TXO Input Capacitance 0V < VTXO < VS 25 pF VTXO TXO High Level Input Voltage 0.7 VS VS TXO Low Level Input Voltage 0 0.3 VS ITXO TXO High Level Input Current VTXO = VS -2 0 2 µA TXO Low Level Input Current VTXO = GND -275 0 -25 µA CASC ASC Input Capacitance 0V < VASC < VS 25 pF VASC ASC Input Voltage for High Speed 0 0.1 VS ASC Input Voltage for Low Speed 0.9 VS VS IASC ASC Input Current VASC = VS 25 275 µA VASC = 0V -2 0 2 µA VC_H, VC_L Bus Voltage Recessive Recessive 0.4 VS 0.5 Vs 0.6 Vs IC_H, IC_L Leakage Current Recessive VC_L = VC_H = -2 to 7V -0.7 0.7 mA VC_L = VC_H = 1 to 4V -0.3 0.3 mA RIN(C_H, C_L) Input Resistence Recessive 5 50 K Ω RDiff(C_H, C_L) Differential Input Resistence Recessive 10 100 K Ω VDiff = VC_H - V C_L) Differential Output Voltage Dominant, RA 1.5 3 V VDiff = VC_H - V C_L) Differential Output Voltage Recessive -500 0 50 mV td Short Circuit Detection Time C_H to C_L ; C_H to B RCS < 1 Ω 15 10 µs IA Supply Current in Case of Short Circuit, C_H to C_L, C_H to B (time = td) 150 mA VC_Lmax Overvoltage Protection Threshold on C_L 78 10 V RECEIVE SECTION VRXO RXO High Level Output Voltage VDiff < 0.5V; IRXO = 0.3mA; VC_H = -2 to 7V; VC_L = -2 to 7V; 0.9 VS Vs V RXO Low Level Output Voltage VDiff > 0.9V; IRXO = 1mA; VC_H = -2 to 7V; VC_L = -2 to 7V; 0.5 V VS = VC_H -VC_L Input Signal Threshold VC_H = -2 to 7V; VC_L = -2 to 7V; 500 700 900 mV VCOM = (VC_H +VC_L)/2 Input Common Mode Voltage Range -2 7 V VHYS Differential Input Hysteresis 150 mV REFERENCE OUTPUT VRX1 Reference Voltage IRX1 = 0 0.45 VS 0.5 VS 0.55 VS V RRX1 Output Resistance 2 9 K Ω L9616 3/8 |
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