MAX3221IPWG4 - 

Transceiver RS232, 3V-5.5V supply, TSSOP-16

MAX3221IPWG4 - Transceiver RS232, 3V-5.5V supply, TSSOP-16

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Product Overview

The MAX3221IPWG4 is a single-channel RS-232 Line Driver/Receiver, this MAX3221 device consists of one line driver, one line receiver with dedicated enable pin and a dual charge-pump circuit with ±15kV ESD protection pin to pin. 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. This device operates at data signalling rates up to 250kbps and a maximum of 30V/±s driver output slew rate. Flexible control options for power management are available when the serial port is inactive. The automatic power-down feature functions when FORCEON is low and FORCEOFF is high. During this mode of operation, if the device does not sense a valid RS-232 signal on the receiver input, the driver output is disabled and the supply current is reduced to 1µA. The INVALID output notifies the user if an RS-232 signal is present at the receiver input.
  • RS-232 bus-pin ESD protection exceeds ±15kV using human body model (HBM)
  • Meets or exceeds the requirements of TIA/EIA-232-F and ITU v.28 standards
  • One driver and one receiver
  • Automatic power-down feature automatically disables drivers for power savings
  • Green product and no Sb/Br


Power Management, Communications & Networking, Computers & Computer Peripherals, Wireless


This device has limited built-in ESD protection, leads should be shorted together or the device placed in conductive foam during storage or handling to prevent electrostatic damage to the MOS gates.

Product Information

RS232 Transceiver
MSL 1 - Unlimited
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Alternatives Available

2436572 - Transceiver RS232, 4.5V-5.5V supply, TSSOP-16

1755045 - Line Receiver RS232, 3V-5.5V supply, SSOP-16

1755046 - Line Receiver RS232, 3V-5.5V supply, TSSOP-16

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