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FEATURES

· ESD Protection for RS-232 Bus Pins

– ±15-kV Human-Body Model (HBM)

· Meets or Exceeds the Requirements of

TIA/EIA-232-F and ITU v.28 Standards

· Operates at 5-V VCC Supply

· Four Drivers and Five Receivers

· Operates up to 120 kbit/s

· Low Supply Current in Shutdown

Mode . . . 15 mA Typ

· External Capacitors . . . 4 ′ 0.1 F

· Designed to Be Interchangeable With Maxim

MAX213

· Latch-Up Performance Exceeds 100 mA Per

JESD 78, Class II

APPLICATIONS

· Battery-Powered Systems

· PDAs

· Notebooks

· Laptops

· Palmtop PCs

· Hand-Held Equipment

DESCRIPTION/ ORDER INFORMATION

The MAX213 device consists of four line drivers, five 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 5-V

supply. The devices operate at data signaling rates up to 120 kbit/s and a maximum of 30-V/ms driver output

slew rate.

The MAX213 has an active-low shutdown (SHDN) and an active-high enable control (EN). In shutdown mode,

the charge pumps are turned off, V+ is pulled down to VCC, V– is pulled to GND, and the transmitter outputs are

disabled. This reduces supply current typically to 1 mA. Two receivers of the MAX213 are active during

shutdown.