MAX3227

www.ti.com MAX3227 3-V TO 5.5-V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15-kV ESD PROTECTION SLLS673A – AUGUST 2005 – REVISED FEBRUARY 2006 FEATURES Meets or Exceeds the Requirements of TIA/EIA-232-F and ITU v.28 Standards Operates With 3-V to 5.5-V VCC Supply Operates at Least 1 Mbit/s Low Standby Current . . . 1 µA Typ External Capacitors . . . 4 × 0.1 µF Accepts 5-V Logic Input With 3.3-V Supply Designed to Be Interchangeable With Maxim™ MAX3227 Latch-Up Performance Exceeds 100 mA Per JESD 78, Class II ESD Protection for RS-232 I/O Pins – ±15 kV – Human-Body Model – ±8 kV – IEC61000-4-2, Contact Discharge – ±8 kV – IEC61000-4-2, Air-Gap Discharge Auto-Powerdown Plus Feature Automatically Disables Drivers for Power Savings Packaged in Plastic Shrink Small-Outline Package APPLICATIONS Battery-Powered, Hand-Held, and Portable Equipment PDAs and Palmtop PCs Notebooks, Sub-Notebooks, and Laptops Digital Cameras Mobile Phones and Wireless Devices DB PACKAGE (TOP VIEW) READY C1+ V+ C1− C2+ C2− V− RIN 1 2 3 4 5 6 7 8 16 FORCEOFF 15 VCC 14 GND 13 DOUT 12 FORCEON 11 DIN 10 INVALID 9 ROUT DESCRIPTION/ORDERING INFORMATION The MAX3227 consists of one line driver, one line receiver, 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...