Datasheet Texas Instruments MAX3221CPWE4 — Datenblatt

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Design MAX3221
SLLS348O – JUNE 1999 – REVISED JUNE 2015 MAX3221 3-V to 5.5-V RS-232 Line Driver and Receiver
With В±15-kV ESD Protection
1 Features 3 Description The MAX3221 device consists of one line driver, one
line receiver with dedicated enable pin, and a dual
charge-pump circuit with В±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. These devices operate at
data signaling rates up to 250 kbps and a maximum
of 30-V/Ојs driver output slew rate. 1 RS-232 Bus-Pin ESD Protection Exceeds
В±15 kV Using Human Body Model (HBM)
Meets or Exceeds the Requirements of …