MAX3221EUE+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: RS-232 Transceiver
• Characteristics:
  • Low-power operation
  • Supports data rates up to 250 kbps
  • Compatible with TIA/EIA-232-F and ITU-T V.28 standards
  • Operates from a single +3.0V to +5.5V supply
  • Available in a small 16-pin TSSOP package
• Package: 16-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: The MAX3221EUE+T is a low-power RS-232 transceiver that provides a convenient interface between microcontrollers or other logic-level devices and RS-232 networks.
• Packaging/Quantity: The MAX3221EUE+T is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: +3.0V to +5.5V
• Data Rate: Up to 250 kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 16
• Package Type: TSSOP

Pin Configuration

The MAX3221EUE+T has the following pin configuration:

```

---

| | | U1 | |___________|

Pin Configuration:

1. C1-
2. C1+
3. V-
4. T1OUT
5. R1IN
6. R1OUT
7. T1IN
8. SHDN
9. VCC
10. GND
11. R2IN
12. R2OUT
13. T2IN
14. T2OUT
15. V+
16. C2+ ```

Functional Features

• Low-power operation: The MAX3221EUE+T is designed to operate with low power consumption, making it suitable for battery-powered applications.
• Wide data rate support: It supports data rates up to 250 kbps, allowing for high-speed communication.
• Compatibility: It is compatible with the TIA/EIA-232-F and ITU-T V.28 standards, ensuring interoperability with other RS-232 devices.
• Single-supply operation: It operates from a single +3.0V to +5.5V supply, simplifying the power requirements.
• Small package size: The 16-pin TSSOP package offers a compact form factor, saving board space.

Advantages and Disadvantages

Advantages: - Low power consumption - Wide data rate support - Compatibility with industry standards - Single-supply operation - Compact package size

Disadvantages: - Limited to RS-232 communication only - Not suitable for high-speed applications above 250 kbps

Working Principles

The MAX3221EUE+T functions as a bidirectional RS-232 transceiver. It converts logic-level signals from microcontrollers or other devices to RS-232 voltage levels and vice versa. The transceiver uses charge pumps to generate the necessary voltage levels for RS-232 communication. It also incorporates protection features to guard against electrostatic discharge (ESD) and excessive voltage conditions.

Detailed Application Field Plans

The MAX3221EUE+T is commonly used in various applications, including:

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

Detailed and Complete Alternative Models

1. MAX3232EUE+T: Similar to the MAX3221EUE+T, but with additional features such as higher data rates and more robust ESD protection.
2. MAX3241EUI+T: A quad RS-232 transceiver with similar characteristics to the MAX3221EUE+T, but capable of driving multiple RS-232 lines simultaneously.
3. MAX3237EAI+T: A high-speed RS-232 transceiver with data rates up to 1 Mbps, suitable for applications requiring faster communication.

These alternative models offer different features and capabilities to suit specific application requirements.

In conclusion, the MAX3221EUE+T is a low-power RS-232 transceiver that provides reliable and efficient communication between microcontrollers or logic-level devices and RS-232 networks. Its wide data rate support, compatibility with industry standards, and compact package make it a popular choice in various industries. However, it is important to consider alternative models for specific application needs.