MAX3232CUE+TG24

Product Overview

• Category: Integrated Circuit (IC)
• Use: RS-232 Transceiver
• Characteristics:
  • Low-power, high-speed transceiver for RS-232 communication
  • Operates from a single 3.0V to 5.5V power supply
  • Compatible with TIA/EIA-232-F and ITU recommendation V.28 standards
  • Supports data rates up to 250kbps
  • Available in a small 16-pin TSSOP package
• Package: 16-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: The MAX3232CUE+TG24 is a versatile RS-232 transceiver that allows bidirectional communication between microcontrollers or other devices using the RS-232 protocol.
• Packaging/Quantity: The MAX3232CUE+TG24 is typically sold in reels of 250 units.

Specifications

• Supply Voltage Range: 3.0V to 5.5V
• Data Rate: Up to 250kbps
• Number of Channels: 2
• Operating Temperature Range: -40°C to +85°C
• Input/Output Logic Levels: TTL/CMOS compatible
• ESD Protection: ±15kV (Human Body Model)

Pin Configuration

The MAX3232CUE+TG24 has a total of 16 pins, which are assigned as follows:

1. VCC - Power supply voltage input
2. C1+ - Capacitor connection for charge pump 1
3. C1- - Capacitor connection for charge pump 1
4. V+ - Positive voltage output for RS-232 signals
5. C2+ - Capacitor connection for charge pump 2
6. C2- - Capacitor connection for charge pump 2
7. V- - Negative voltage output for RS-232 signals
8. SHDN - Shutdown control input (active low)
9. R1IN - Receiver 1 input
10. R1OUT - Receiver 1 output
11. T1IN - Transmitter 1 input
12. T1OUT - Transmitter 1 output
13. GND - Ground reference
14. T2OUT - Transmitter 2 output
15. T2IN - Transmitter 2 input
16. R2OUT - Receiver 2 output

Functional Features

• Low-power operation: The MAX3232CUE+TG24 is designed to operate with minimal power consumption, making it suitable for battery-powered applications.
• High-speed communication: It supports data rates up to 250kbps, allowing for fast and efficient data transfer.
• Wide supply voltage range: The transceiver can operate from a single power supply ranging from 3.0V to 5.5V, providing flexibility in various applications.
• ESD protection: The device offers ±15kV ESD protection, ensuring robustness against electrostatic discharge.

Advantages and Disadvantages

Advantages: - Versatile RS-232 transceiver suitable for a wide range of applications - Low-power consumption - High-speed communication capability - Wide supply voltage range - ESD protection for enhanced reliability

Disadvantages: - Limited to RS-232 communication protocol, not compatible with other protocols such as RS-485 or USB.

Working Principles

The MAX3232CUE+TG24 utilizes a charge pump to generate the positive and negative voltages required for RS-232 communication. It converts TTL/CMOS logic levels to RS-232 voltage levels and vice versa, enabling bidirectional data transmission between devices.

When transmitting data, the transceiver amplifies the TTL/CMOS logic levels to RS-232 voltage levels and sends them through the T1OUT or T2OUT pins. On the receiving end, it converts the RS-232 voltage levels back to TTL/CMOS logic levels and outputs the data through the R1OUT or R2OUT pins.

The charge pump circuitry ensures that the required positive and negative voltages are generated from the single power supply, eliminating the need for external voltage sources.

Detailed Application Field Plans

The MAX3232CUE+TG24 is widely used in various applications that require RS-232 communication, including:

1. Industrial automation systems
2. Embedded systems
3. Networking equipment
4. Point-of-sale terminals
5. Medical devices
6. Test and measurement instruments
7. Consumer electronics

Its low-power operation, high-speed communication capability, and wide supply voltage range make it suitable for both battery-powered and mains-powered applications.

Detailed and Complete Alternative Models

1. MAX3232ESE+: Similar to MAX3232CUE+TG24 but available in a 16-pin narrow SOIC package.
2. MAX3232IPWR: Similar