HomedatasheetMAX3221IDBR

MAX3221IDBR Datasheet

Interface - Drivers, Receivers, Transceivers
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Description

The MAX3221IDBR consists of one line driver, one line receiver, and a dual charge-pump circuit with ±15-kV ESDprotection pin to pin (serial-port connection pins, including GND). The device meets the requirements ofTIA/EIA-232-F and provides the electrical interface between an asynchronous communication controller andthe serial-port connector. The charge pump and four small external capacitors allow operation from a single 3-Vto 5.5-V supply. These devices operate at data signaling rates up to 250 kbit/s and a maximum of 30-V/μs driveroutput slew rate. MAX3221IDBR Features • RS-232 Bus-Pin ESD Protection Exceeds±15 kV Using Human-Body Model (HBM)• Meets or Exceeds the Requirements ofTIA/EIA-232-F and ITU v.28 Standards• Operates With 3-V to 5.5-V VCC Supply• Operates Up To 250 kbit/s• One Driver and One Receiver• Low Standby Current . . . 1 μA Typical• External Capacitors . . . 4 × 0.1 μF• Accepts 5-V Logic Input With 3.3-V Supply• Alternative High-Speed Pin-CompatibleDevice (1 Mbit/s)− SNx5C3221• Auto-Powerdown Feature AutomaticallyDisables Drivers for Power Savings MAX3221IDBR Applications • Battery-Powered, Hand-Held, andPortable Equipment• PDAs and Palmtop PCs• Notebooks, Subnotebooks, and Laptops• Digital Cameras• Mobile Phones and Wireless Devices
Features

Parameters

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Manufacturer information

MCC
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