PDF MAX3222 Download

Description

The MAX3222 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). The device meets the requirements of TIA/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 3-V to 5.5-V supply. The device operates at data signaling rates up to 250 kbit/s and a maximum
of 30-V/µs driver output slew rate.

Features

1. RS-232 Bus-Pin ESD Protection Exceeds
2. ±15 kV Using Human-Body Model (HBM)
3. Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards
4. Operates With 3-V to 5.5-V VCCSupply
5. Operates Up To 250 kbit/s
6. Two Drivers and Two Receivers
7. Low Standby Current...1 µA Typical
8. External Capacitors...4 ×0.1 µF
9. Accepts 5-V Logic Input With 3.3-V Supply
10. Alternative High-Speed Pin-Compatible

Applications

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