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MAX3221 Datasheet PDF

Part Series:MAX3221 Series
Description:3V TO 5.5V SINGLE-CHANNEL RS-232 LINE DRIVER/RECEIVER WITH ±15kV ESD PROTECTION
Document:MAX3221EIPW Datasheet PDF (26 Pages)

MAX3221 Datasheet PDF

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TRANSCEIVE, SHUTDOWN, 3221, SSOP16; Device Type:Transceiver; IC Interface Type:RS232; No. of Drivers:1; Supply Voltage Min:3V; Supply Voltage Max:5.5V; Driver Case Style:SSOP; No. of Pins:16; Operating Temperature Min:-40 C; ;RoHS Compliant: Yes
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MAX3221 - TI Specifications

TYPE
DESCRIPTION
Case/Package
1
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MAX3221 - TI Function Overview

The MAX3221 device consists of one line driver, one line receiver with dedicated enable pin, 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 3-V to 5.5-V supply. These devices operate at data signaling rates up to 250 kbps and a maximum of 30-V/±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 1 µA. The INVALID output notifies the user if an RS-232 signal is present at the receiver input.
RS-232 Bus-Pin ESD Protection Exceeds
±15 kV Using Human Body Model (HBM)
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 up to 250 kbps
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-Compatible
Device (1 Mbps)
SNx5C3221
Automatic Power-Down Feature Automatically
Disables Drivers for Power Savings
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