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SP3232ECN-L/TR

SP3232ECN-L/TR

MaxLinear, Inc.
2/2 Transceiver Full RS232 16-SOIC
Active38,250 in stock
Datasheet Digi-Key Compare Prices

Overview

The SP3232ECN-L/TR is a high-speed RS-232 transceiver that operates from a single 3.0V to 5.5V power supply. It features two drivers and two receivers, utilizing an internal charge pump to generate the necessary RS-232 voltage levels while requiring only four small 0.1uF external capacitors. This device is optimized for low-power operation, drawing only 0.3mA typical supply current and offering enhanced ESD protection.

Why Choose This Part

The SP3232ECN-L/TR provides significant protection against electrostatic discharge with ratings up to +/-15kV HBM and +/-15kV IEC61000-4-2 Air Discharge. Its low 1uA shutdown current and 0.3mA run current make it ideal for power-sensitive designs, and its 3.0V to 5.5V operating range ensures compatibility with both legacy 5V and modern 3.3V logic systems.

Applications

Industrial Controller Programming
Providing a robust serial interface for PLC or motor drive configuration ports where RS-232 is the standard protocol.
Embedded System Debugging
Connecting 3.3V or 5V microcontrollers to legacy PC serial ports or RS-232 based diagnostic tools.
Point-of-Sale Terminals
Facilitating communication between POS systems and peripheral devices like barcode scanners and receipt printers.

Key Specifications

Type Transceiver
Duplex Full
Protocol RS232
Data Rate 120kbps
Mounting Type Surface Mount
Package / Case 16-SOIC (0.154", 3.90mm Width)
Voltage - Supply 3V ~ 5.5V
Receiver Hysteresis 300 mV
Operating Temperature 0degC ~ 70degC
Supplier Device Package 16-SOIC
Number of Drivers/Receivers 2/2

Getting Started

To implement this part, place four 0.1uF charge-pump capacitors close to the V+, V-, C1, and C2 pins as specified in the datasheet. Ensure the 16-pin NSOIC footprint matches your PCB layout and keep the RS-232 signal traces short to minimize EMI. For rapid prototyping, this IC can be used on a SOIC-16 breakout board with standard breadboard-compatible headers.

Also Consider

MAX3232ESE+ Maxim Integrated / Analog Devices - This is the industry-standard alternative with similar 3.0V to 5.5V operation and 16-pin SOIC footprint.
TRS3232EIDR TITexas Instruments - Provides similar +/-15kV ESD protection and is designed for high-speed data rates up to 250 kbps.
ADM3232EARNZ Analog Devices - An alternative with high electromagnetic immunity and similar low-power characteristics for industrial environments.

Categories

Interface ICs > UART / RS-232 / RS-485 Industrial & Automation > Industrial Communication