MAX232EN

5V Dual channel RS-232 Drivers/Receivers MAX232 FEATURES  Output voltage levels are compatible with input levels of CMOS and TTL integrated circuits  Meets All EIA/TIA-232E and V.28/V.24 Specifications  Supply voltage range from 4.5 to 5.5V  Low input current: 1.0µA at 25°C  Output current 24mA  Tolerable value of static potential not less than 2kV  Available in DIP-16 Package DIP-16 APPLICATIONS      Portable Computers Battery-Powered RS-232 Systems Interface Translation Low-Power Modems Terminals ORDERING INFORMATION Device Package MAX232EN DIP-16 * Refer to the ordering information for the details. DESCRIPTION The MAX232 is a dual driver/receiver of RS-232 standard with a single supply voltage and bipolar output voltage of the transmitter formed by a built-In voltage multiplying generator on four 1.0µF external capacitors, designed for use in state-of-the-art high performance computing systems, high-speed electronic devices with high reliability of information exchange between remote objects. Input voltage levels are compatible with standard CMOS and TTL levels. ABSOLUTE MAXIMUM RATINGS PARAMETER SYMBOL MIN. MAX. UNIT Supply Voltage VCC -0.3 6.0 V Transmitter High Output Voltage V+ VCC-0.3 14 V Transmitter Low Output Voltage V- -14 0.3 V Transmitter Input Voltage VTIN -0.3 V++0.3 V Receiver Input Voltage VRIN -30 30 V Voltage Applied to Transmitter Output VTOUT V--0.3 V++0.3 V Voltage Applied to Receiver Output VROUT -0.3 VCC+0.3 V Storage Temperature Range TSTG -65 150 °C Sep. 2019 – R1.0 1 HTC 5V Dual channel RS-232 Drivers/Receivers MAX232 RECOMMENDED OPERATING CONDITIONS PARAMETER SYMBOL MIN. MAX. UNIT Supply Voltage VCC 4.5 5.5 V Transmitter Input Voltage VTIN 0 VCC V Receiver Input Voltage VRIN -30 30 V Output Current of Transmitter Short Circuit ISC - ±60 mA Ambient Temperature Range TA -40 +85 °C ORDERING INFORMATION Package Oder No. Package Marking Compliance Supplied As DIP-16 MAX232EN MAX232E RoHS, Green Tube MAX 232 Package Type N : DIP-16 Temperature E : -40°C ~ 85°C Root Name Product Code Sep. 2019 – R1.0 2 HTC 5V Dual channel RS-232 Drivers/Receivers MAX232 PIN CONFIGURATION C1+ 01 16 VCC V+ 02 15 GND C1- 03 14 T1OUT C2+ 04 13 R1IN C2- 05 12 R1OUT V- 06 11 T1IN T2OUT 07 10 T2IN R2IN 08 09 R2OUT DIP-16 PKG PIN DESCRIPTION Pin No. Pin Name 1 C1+ Terminal for Positive Charge-Pump C1 Capacitor 2 V+ Positive Voltage Generated by the Charge-Pump 3 C1- Terminal for Negative Charge-Pump C1 Capacitor 4 C2+ Terminal for Positive Charge-Pump C2 Capacitor 5 C2- Terminal for Negative Charge-Pump C2 Capacitor 6 V- Negative Voltage Generated by the Charge-Pump 7 T2OUT RS-232 Driver Output (Levels RS-232) 8 R2IN RS-232 Receiver Input (Levels RS-232) 9 R2OUT 10 T2IN RS-232 Driver Input (Levels TTL/CMOS) 11 T1IN RS-232 Driver Input (Levels TTL/CMOS) 12 R1OUT 13 R1IN RS-232 Receiver Input (Levels RS-232) 14 T1OUT RS-232 Driver Output (Levels RS-232) 15 GND Ground 16 VCC Supply Voltage Input Sep. 2019 – R1.0 Pin Description RS-232 Receiver Output (Levels TTL/CMOS) RS-232 Receiver Output (Levels TTL/CMOS) 3 HTC 5V Dual channel RS-232 Drivers/Receivers MAX232 TYPICAL APPLICATION CIRCUIT 1.0µF 5V Supply 1.0µF 16 1 1.0µF 3 4 1.0µF 5 11 C1+ VCC V+ C1V- C2+ 2 6 1.0µF C2- T1IN T1OUT 14 TTL/CMOS Inputs RS-232 Outputs 10 T2IN 12 R1OUT T2OUT 7 R1IN 13 5K TTL/CMOS Outputs 9 R2OUT RS-232 Inputs R2IN 8 5K GND 15 FUNCTION TABLE Sep. 2019 – R1.0 INPUT OUTPUT (RIN, TIN) (ROUT, TOUT) L (Low Level) H (High Level) H (High Level) L (Low Level) 4 HTC 5V Dual channel RS-232 Drivers/Receivers MAX232 ELECTRICAL CHARACTERISTICS (Limits in standard typeface are for TA=25°C, and the limits in boldface type apply over full operating temperature range.) PARAMETER SYMBOL TEST CONDITIONS MIN. TYP. MAX. UNIT ICC VCC = 5.5V VIL = 0V - - 10.0 14.0 mA Hysteresis Voltage Vh VCC = 5.0V 0.2 0.2 - 0.9 1.0 V On (Operation) Voltage Von VO ≤ 0.1V, IOL ≤ 20µA - - 2.4 2.3 V Off (Dropout) Voltage Voff VO ≥ VCC - 0.1V IOH ≤ -20µA 0.8 0.9 - - V Output Low Voltage VOL IL = 3.2mA, VCC = 4.5V, VIH = 2.4V - - 0.3 0.4 V Output High Voltage VOH IOH = -1.0mA, VCC = 4.5V, VIL = 0.8V 3.6 3.5 - - V VCC = 5.0V 3.0 3.0 - 7.0 7.0 kΩ Supply Current Receiver Parameters Input Resistance RI Transmitter Parameters Output Low Voltage VOL VCC = 4.5V, VIH = 2.0V, RL = 3.0kΩ - - -5.2 -5.0 V Output High Voltage VOH VCC = 4.5V, VIL = 0.8V, RL = 3.0kΩ 5.2 5.0 - - V Input Low Current IIL VCC = 5.5V, VIL = 0V - - -1.0 -10.0 µA Input High Current IIH VCC = 5.5V, VIH = VCC - - 1.0 10.0 µA Speed Of Output Front Charge SR VCC = 5.0V, CL = 50 - 1000pF, RL = 3.0 - 7.0kΩ 3.0 2.7 - 30 27 V/µs Output Resistance RO VCC = V+ = V- = 0V VO = ±2V 350 300 - - Ω VI = VCC - - ISC VCC = 5.5V VO = 0V -50 -60 VI = 0 - - 50 60 Short Circuit Output Current mA ST VCC = 4.5V, CL = 1000pF, RL = 3.0kΩ, tW = 7µs (for extreme, tW = 8µs) 140 120 - - kbit/s Signal Propagation Delay Time When Switching On (Off) tPHLR (tPLHR) VCC = 4.5V, CL = 150pF, VIL = 0V, VIH = 3.0V, tLH = tHL ≤ 10ns - - 9.7 10.0 µs Signal Propagation Delay Time When Switching On (Off) tPHLT (tPLHT) VCC = 4.5V, CL = 2500pF, VIL = 0V, VIH = 3.0V, RL = 3kΩ, tLH = tHL ≤ 10ns - - 5.0 6.0 µs Speed Of Information Transmission Dynamic Parameters Sep. 2019 – R1.0 5 HTC 5V Dual channel RS-232 Drivers/Receivers MAX232 TIMING DIAGRAM ≤10ns ≤10ns 90% 1.5V RIN +3V 90% 1.5V 10% 10% 0V VOH ROUT 0.5VCC 0.5VCC VOL tPHLR tPLHR Figure 1. tPHL and tPLH waveforms of Receiver ≤10ns ≤10ns 90% 1.5V TIN +3V 90% 1.5V 10% 10% 0V VOH TOUT 1.5V 1.5V VOL tPHLT tPLHT Figure 2. tPHL and tPLH waveforms of Transmitter Sep. 2019 – R1.0 6 HTC 5V Dual channel RS-232 Drivers/Receivers TIN ≤10ns ≤10ns 90% 90% 10% 10% tSLH tSHL +3V TOUT MAX232 -3V +3V -3V Figure 3. tSLH and tSHL waveforms of Transmitter Sep. 2019 – R1.0 7 HTC 5V Dual channel RS-232 Drivers/Receivers MAX232 REVISION NOTICE The description in this data sheet is subject to change without any notice to describe its electrical characteristics properly. Sep. 2019 – R1.0 8 HTC