MAX222

具有 +/-15kV ESD 保护的 5V 双路 RS-232 线路驱动器/接收器

The consists of two line drivers, two line receivers, and a dual charge-pump circuit with ±15-kV ESD protection pin to pin serial-port connection pins, including GND. This device meets the requirements of A/EIA-232-F and provides the electrical interface between an asynchronous communication controller and the serial-port connector. The charge pump and four small external capacitors allow operation from a single 5-V supply. This device operates at data signaling rates up to 200 kbit/s and a maximum of 30-V/µs driver output slew rate. By using SHDN\, all receivers can be disabled.

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ESD Protection for RS-232 Bus Pins

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±15-kV Human-Body Model

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Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards

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Operates at 5-V VCC Supply

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Operates Up To 200 kbit/s

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Low Supply Current in Shutdown Mode... 2 µA Typical

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External Capacitors... 4 × 0.1 µF

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Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II

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Applications

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Battery-Powered Systems, PDAs, Notebooks, Laptops, Palmtop PCs, and Hand-Held Equipment