MAX3232 RS-232 TRANSCEIVERS IC

MAX3232 RS-232 Transceivers IC SOP-16 is a 3.0V to 5.5V powered, true RS-232 transceiver with integrated charge-pump circuitry. This robust IC features 2 drivers and 2 receivers, making it ideal for serial communication applications in industrial, medical, and embedded systems where ±15kV ESD protection and reliable data transmission are required.

Key Features of MAX3232 RS-232 Transceiver:

• • Wide Voltage Operation: 3.0V to 5.5V single supply
  • Integrated Charge Pump: Requires only 0.1μF capacitors
  • High-Speed Data Rates: Supports 250kbps transmission
  • Robust Protection: ±15kV ESD protection on all I/O pins
  • Space-Saving Package: SOP-16 for compact PCB designs

Technical Specifications of MAX3232 RS-232 Transceiver:

• • Supply Voltage Range: 3.0V to 5.5V
  • Data Rate: 250kbps
  • Number of Drivers/Receivers: 2/2
  • ESD Protection: ±15kV (Human Body Model)
  • Output Voltage Swing: ±5.5V (minimum at 3.3V supply)
  • Operating Temperature: -40°C to +85°C
  • Package Type: SOP-16
  • External Capacitors Required: 4 × 0.1μF

Mechanical Characteristics of MAX3232 RS-232 Transceiver:

• • Dimensions: 10.3mm × 7.5mm × 2.35mm (SOP-16 package)
  • Weight: Approximately 0.15 grams
  • Material: Plastic, lead-free, RoHS compliant
  • Mounting: Surface mount (SMD)
  • Pitch: 1.27mm between pins
  • Color: Black with white markings

Schematic Diagram and Pinout of MAX3232 RS-232 Transceiver:

• • Pinout:
    • Pin 1-2, 7-8: Charge-pump capacitors (C1+, C1-, C2+, C2-)
    • Pin 3-4: Receiver outputs (R1OUT, R2OUT)
    • Pin 5-6: Receiver inputs (R1IN, R2IN)
    • Pin 9-10, 11-12: Driver inputs (T1IN, T2IN) and outputs (T1OUT, T2OUT)
    • Pin 13-16: Power supply (VCC, GND, V+)
  • Schematic Diagram: The MAX3232 integrates a charge-pump voltage converter (using 4 external 0.1μF capacitors) to generate RS-232 voltage levels from a single 3-5.5V supply, with 2 TTL/CMOS-level drivers and 2 receivers.

Applications of MAX3232 RS-232 Transceiver:

• • Industrial Control Systems: PLCs, HMI interfaces
  • Medical Equipment: Diagnostic and monitoring devices
  • Embedded Systems: Microcontroller to PC communication
  • Point-of-Sale Terminals: Receipt printers and peripherals
  • Telecom Equipment: Modems and network devices

Equivalent Models of MAX3232 RS-232 Transceiver:

• • SP3232 RS-232 Transceiver: Compatible alternative with similar specifications
  • MAX3221 RS-232 Transceiver: 1-driver/1-receiver version in smaller package

Datasheet:

• • Download MAX3232 RS-232 Transceiver Datasheet

Keywords for MAX3232 RS-232 Transceiver:

• • MAX3232 IC
  • RS-232 Transceiver
  • SOP-16 Serial Interface
  • 3.3V/5V RS-232 Converter
  • Industrial Serial Communication IC

Package Includes:

• • 1 x MAX3232 RS-232 Transceivers IC SOP-16