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MAX232 Datasheet(PDF) 6 Page - Maxim Integrated Products |
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MAX232 Datasheet(HTML) 6 Page - Maxim Integrated Products |
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6 / 36 page  mA +5V-Powered, Multichannel RS-232 Drivers/Receivers 6 _______________________________________________________________________________________ V 0.8 1.2 PARAMETER MIN TYP MAX UNITS CONDITIONS Normal operation SHDN = 5V (MAX223) SHDN = 0V (MAX235/236/240/241) 1.7 2.4 RS-232 Input Threshold Low TA = +25°C, VCC = 5V 0.6 1.5 V RS-232 Input Threshold High TA = +25°C, VCC = 5V Shutdown (MAX223) SHDN = 0V, EN = 5V (R4IN‚ R5IN) 1.5 2.4 ELECTRICAL CHARACTERISTICS—MAX223/MAX230–MAX241 (continued) (MAX223/230/232/234/236/237/238/240/241, VCC = +5V ±10; MAX233/MAX235, VCC = 5V ±5%‚ C1–C4 = 1.0µF; MAX231/MAX239, VCC = 5V ±10%; V+ = 7.5V to 13.2V; TA = TMIN to TMAX; unless otherwise noted.) Shutdown (MAX223) SHDN = 0V, EN = 5V (R4IN, R5IN) Normal operation SHDN = 5V (MAX223) SHDN = 0V (MAX235/236/240/241) RS-232 Input Hysteresis VCC = 5V, no hysteresis in shutdown 0.2 0.5 1.0 V RS-232 Input Resistance TA = +25°C, VCC = 5V 35 7 k Ω TTL/CMOS Output Voltage Low IOUT = 1.6mA (MAX231/232/233, IOUT = 3.2mA) 0.4 V TTL/CMOS Output Voltage High IOUT = -1mA 3.5 VCC - 0.4 V TTL/CMOS Output Leakage Current 0V ≤ ROUT ≤ VCC; EN = 0V (MAX223); EN = VCC (MAX235–241 ) 0.05 ±10 µA MAX223 600 ns Receiver Output Enable Time Normal operation MAX235/236/239/240/241 400 MAX223 900 ns Receiver Output Disable Time Normal operation MAX235/236/239/240/241 250 Normal operation 0.5 10 µs SHDN = 0V (MAX223) 440 Propagation Delay RS-232 IN to TTL/CMOS OUT, CL = 150pF 640 3 5.1 30 V/µs MAX231/MAX232/MAX233, TA = +25°C, VCC = 5V, RL = 3k Ω to 7kΩ, CL = 50pF to 2500pF, measured from +3V to -3V or -3V to +3V 430 Transmitter Output Resistance VCC = V+ = V- = 0V, VOUT = ±2V 300 Ω Transmitter Output Short-Circuit Current ±10 mA tPHLS tPLHS Transition Region Slew Rate MAX223/MAX230/MAX234–241, TA = +25°C, VCC = 5V, RL = 3k Ω to 7kΩ‚ CL = 50pF to 2500pF, measured from +3V to -3V or -3V to +3V |
Número de pieza similar - MAX232 |
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Descripción similar - MAX232 |
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