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Motore di ricerca datesheet componenti elettronici |
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Motore di ricerca datesheet componenti elettronici |
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MAX3490C/D Scheda tecnica(PDF) 3 Page - Maxim Integrated Products |
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MAX3490C/D Scheda tecnica(HTML) 3 Page - Maxim Integrated Products |
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3 / 16 page  3.3V-Powered, 10Mbps and Slew-Rate-Limited True RS-485/RS-422 Transceivers _______________________________________________________________________________________ 3 No load, DI = 0V or VCC µA 0.002 1 ISHDN Supply Current in Shutdown Mode 0.95 1.9 mA 1.1 2.2 ICC Supply Current mA -250 IOSD 250 Driver Short-Circuit Output Current mA ±8 ±60 IOSR Receiver Short-Circuit Output Current UNITS MIN TYP MAX SYMBOL PARAMETER DE = 0V, RE = VCC, DI = VCC or 0V DE = 0V, RE = 0V DE = VCC, RE = 0V or VCC VOUT = -7V VOUT = 12V 0V ≤ VRO ≤ VCC CONDITIONS DC ELECTRICAL CHARACTERISTICS (continued) (VCC = 3.3V ±0.3V, TA = TMIN to TMAX, unless otherwise noted. Typical values are at TA = +25°C) ns 722 35 tPLH Driver Propagation Delay, Low-to-High Level ns 38 25 tTD ns 122 35 tDD Driver Differential Output Delay Driver Differential Output Transition Time ns 650 900 tPSH Driver Output Enable Time from Shutdown to High Level ns 650 900 tPSL Driver Output Enable Time from Shutdown to Low Level ns 40 80 tPHZ Driver Output Disable Time from High Level ns 722 35 tPHL Driver Propagation Delay, High-to-Low Level ns 8 tPDS |tPLH - tPHL| Driver Propagation Delay Skew (Note 2) ns 45 90 tPZL Driver Output Enable Time to Low Level ns 45 90 tPZH Driver Output Enable Time to High Level UNITS MIN TYP MAX SYMBOL PARAMETER RL = 27Ω, Figure 8 RL = 60Ω, Figure 7 RL = 60Ω, Figure 7 RL = 110Ω, Figure 9 RL = 110Ω, Figure 10 RL = 110Ω, Figure 9 RL = 27Ω, Figure 8 RL = 27Ω, Figure 8 RL = 110Ω, Figure 10 RL = 110Ω, Figure 9 CONDITIONS DRIVER SWITCHING CHARACTERISTICS—MAX3485, MAX3490, and MAX3491 (VCC = 3.3V, TA = +25°C) ns 40 80 tPLZ Driver Output Disable Time from Low Level RL = 110Ω, Figure 10 DRIVER SWITCHING CHARACTERISTICS—MAX3486 (VCC = 3.3V, TA = +25°C) ns 45 80 tPLZ Driver Output Disable Time from Low Level RL = 110Ω, Figure 10 ns 20 48 70 tPLH Driver Propagation Delay, Low-to-High Level ns 15 35 60 tTD ns 24 48 70 tDD Driver Differential Output Delay Driver Differential Output Transition Time ns 700 1000 tPSH Driver Output Enable Time from Shutdown to High Level ns 700 1000 tPSL Driver Output Enable Time from Shutdown to Low Level ns 45 80 tPHZ Driver Output Disable Time from High Level ns 20 48 70 tPHL Driver Propagation Delay, High-to-Low Level ns 11 tPDS |tPLH - tPHL| Driver Propagation Delay Skew (Note 2) ns 55 100 tPZL Driver Output Enable Time to Low Level ns 55 100 tPZH Driver Output Enable Time to High Level UNITS MIN TYP MAX SYMBOL PARAMETER RL = 27Ω, Figure 8 RL = 60Ω, Figure 7 RL = 60Ω, Figure 7 RL = 110Ω, Figure 9 RL = 110Ω, Figure 10 RL = 110Ω, Figure 9 RL = 27Ω, Figure 8 RL = 27Ω, Figure 8 RL = 110Ω, Figure 10 RL = 110Ω, Figure 9 CONDITIONS DRIVER OUTPUT ENABLE/DISABLE TIMES (MAX3485/MAX3491 only) |
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