MAX232 Dual EIA-232 Drivers/Receivers

By Texas Instruments 53

MAX232 Dual EIA-232 Drivers/Receivers

Texas Instruments' MAX232 devices are dual drivers/receivers that include a capacitive voltage generator to supply TIA/EIA-232-F voltage levels from a single 5 V supply. Each receiver converts TIA/EIA-232-F inputs to 5 V TTL/CMOS levels. These receivers have a typical threshold of 1.3 V, a typical hysteresis of 0.5 V, and can accept ±30 V inputs. Each driver converts TTL/CMOS input levels into TIA/EIA-232-F levels.

Features
  • Meets or exceeds TIA/EIA-232-F and ITU recommendation V.28
  • Operates from a single 5 V power supply with 1 µF charge-pump capacitors
  • Operates up to 120 kbit/s
  • Two drivers and two receivers
  • ±30 V input levels
  • Low supply current: 8 mA typical
  • ESD protection exceeds JESD 22
    • 2000 V human body model (A114-A)
  • Upgrade with improved ESD (15 kV HBM) and 0.1 µF charge-pump capacitors is available with the MAX202 device

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