Datasheet MAX220-MAX249 (Maxim) - 3

MAX220–MAX249 +5V-Powered, Multichannel RS-232 Drivers/Receivers
Electrical Characteristics—MAX220/222/232A/233A/242/243 (continued)
(VCC = +5V ±10%, C1–C4 = 0.1µF‚ MAX220, C1 = 0.047µF, C2–C4 = 0.33µF, TA = TMIN to TMAX‚ unless otherwise noted.) (Note 3)
PARAMETER CONDITIONS MIN TYP MAX UNITS
All except MAX220/MAX243, VCC = +5V, no 0.2 0.5 1.0 hysteresis in shutdown RS-232 Input Hysteresis V MAX220 0.3 MAX243 1 3 5 7 RS-232 Input Resistance TA = +25°C (MAX220) k 3 5 7 IOUT = 3.2mA 0.2 0.4 TTL/CMOS Output Voltage Low V IOUT = 1.6mA (MAX220) 0.4 TTL/CMOS Output Voltage High IOUT = -1.0mA 3.5 VCC - 0.2 V Sourcing VOUT = VGND -2 -10 TTL/CMOS Output Short-Circuit Current mA Sinking VOUT = VCC 10 30 VSHDN = VCC or VEN = VCC (VSHDN = 0V for TTL/CMOS Output Leakage Current ±0.05 ±10 μA MAX222), 0V VOUT VCC EN Input Threshold Low MAX242 1.4 0.8 V EN Input Threshold High MAX242 2.0 1.4 V Supply Voltage Range 4.5 5.5 V MAX220 0.5 2 No load MAX222/MAX232A/MAX233A/ 4 10 MAX242/MAX243 VCC Supply Current (VSHDN = VCC), mA Figures 5, 6, 11, 19 MAX220 12 3k load both inputs MAX222/MAX232A/MAX233A/ 15 MAX242/MAX243 TA = +25°C 0.1 10 MAX222/ TA = 0°C to +70°C 2 50 Shutdown Supply Current μA MAX242 TA = -40°C to +85°C 2 50 TA = -55°C to +125°C 35 100 SHDN Input Leakage Current MAX222/MAX242 ±1 μA SHDN Threshold Low MAX222/MAX242 1.4 0.8 V SHDN Threshold High MAX222/MAX242 2.0 1.4 V CL = 50pF to 2500pF, MAX222/MAX232A/ R 6 12 30 L = 3k to 7k, MAX233/MAX242/MAX243 VCC = +5V, TA = Transition Slew Rate V/μs +25°C, measured from +3V to -3V or MAX220 1.5 3 30.0 -3V to +3V MAX222/MAX232A/ 1.3 3.5 t MAX233/MAX242/MAX243 PHLT, Figure 1 Transmitter Propagation Delay TLL to MAX220 4 10 μs RS-232 (Normal Operation) MAX222/MAX232A/ 1.5 3.5 t MAX233/MAX242/MAX243 PLHT, Figure 1 MAX220 5 10 www.maximintegrated.com Maxim Integrated | 3