RS-232 Interface IC +/-15kV ESD-Protected, +5V RS-232
Features
• Meets or Exceeds TIA/EIA-232-F and ITU Recommendation V.28
• Operates From a Single 5-V Power Supply With 1.0-µF Charge-Pump Capacitors
• Operates up to 120 k bit/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
Applications
• TIA/EIA-232-F
• Battery-Powered Systems
• Terminals
• Modems
• Computers
Description
The MAX232 device is a dual driver/receiver that includes 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.
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