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MAX3483E Folha de dados(PDF) 4 Page - Maxim Integrated Products |
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MAX3483E Folha de dados(HTML) 4 Page - Maxim Integrated Products |
4 / 16 page 3.3V-Powered, ±15kV ESD-Protected, 12Mbps and Slew-Rate-Limited True RS-485/RS-422 Transceivers 4 _______________________________________________________________________________________ DRIVER SWITCHING CHARACTERISTICS—MAX3483E/MAX3488E (VCC = +3.3V, TA = +25°C.) ns 50 80 tPLZ Driver-Output Disable Time from Low Level RL = 110Ω, Figure 10 ns 700 930 1500 tPLH Driver Propagation Delay, Low-to-High Level ns 400 740 1200 tTD kbps 250 Maximum Data Rate Driver Differential Output Transition Time µs 2.2 3.0 tPSH Driver-Output Enable Time from Shutdown to High Level µs 1.9 2.7 tPSL Driver-Output Enable Time from Shutdown to Low Level ns 50 80 tPHZ Driver-Output Disable Time from High Level ns 700 930 1500 tPHL Driver Propagation Delay, High-to-Low Level ns ±50 tPDS |tPLH - tPHL| Driver Propagation-Delay Skew (Note 2) ns 600 800 tPZH Driver-Output Enable Time to High Level UNITS MIN TYP MAX SYMBOL PARAMETER RL = 27Ω, Figure 8 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 9 CONDITIONS RECEIVER SWITCHING CHARACTERISTICS (VCC = +3.3V, TA = +25°C.) ns 25 45 tPRLZ Receiver-Output Disable Time from Low Level CL = 15pF, Figure 12, MAX3483E/85E/86E/91E only ns 25 62 90 ns 80 190 300 tSHDN Time to Shutdown ns 720 1400 tPRSH Receiver-Output Enable Time from Shutdown to High Level ns 720 1400 tPRSL Receiver-Output Enable Time from Shutdown to Low Level ns 25 45 tPRHZ Receiver-Output Disable Time from High Level ns 25 62 90 ns 6±10 ns 25 50 tPRZL Receiver-Output Enable Time to Low Level ns 25 50 tPRZH Receiver-Output Enable Time to High Level UNITS MIN TYP MAX SYMBOL PARAMETER VID = 0 to 3.0V, CL = 15pF, Figure 11 MAX3483E/MAX3485E/MAX3486E/MAX3491E only (Note 3) CL = 15pF, Figure 12, MAX3483E/85E/86E/91E only CL = 15pF, Figure 12, MAX3483E/85E/86E/91E only CL = 15pF, Figure 12, MAX3483E/85E/86E/91E only VID = 0 to 3.0V, CL = 15pF, Figure 11 VID = 0 to 3.0V, CL = 15pF, Figure 11 CL = 15pF, Figure 12, MAX3483E/85E/86E/91E only CL = 15pF, Figure 12, MAX3483E/85E/86E/91E only CONDITIONS 25 75 120 tRPLH Receiver Propagation Delay, Low-to-High Level MAX3483E/MAX3488E 25 75 120 tRPHL Receiver Propagation Delay, High-to-Low Level MAX3483E/MAX3488E 12 ±20 tRPDS |tPLH - tPHL| Receiver Propagation-Delay Skew MAX3483E/MAX3488E Note 1: ∆VOD and ∆VOC are the changes in VOD and VOC, respectively, when the DI input changes state. Note 2: Measured on |tPLH (Y) - tPHL (Y)| and |tPLH (Z) - tPHL (Z)|. Note 3: The transceivers are put into shutdown by bringing RE high and DE low. If the inputs are in this state for less than 80ns, the devices are guaranteed not to enter shutdown. If the inputs are in this state for at least 300ns, the devices are guaranteed to have entered shutdown. See Low-Power Shutdown Mode section. ns 900 1300 tPZL Driver-Output Enable Time to Low Level RL = 110Ω, Figure 10 ns 600 900 1400 tDD Driver Differential Output Delay RL = 60Ω, Figure 7 DRIVER-OUTPUT ENABLE/DISABLE TIMES (MAX3483E only) |
Nº de peça semelhante - MAX3483E |
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Descrição semelhante - MAX3483E |
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