MAX3222EETP+T

Product Overview

• Category: Integrated Circuit (IC)
• Use: RS-232 Transceiver
• Characteristics:
  • Low-power, high-speed transceiver
  • Supports data rates up to 1 Mbps
  • Operates from a single 3.0V to 5.5V supply
  • Compatible with TIA/EIA-232-F and ITU V.28 standards
• Package: 20-pin TSSOP (Thin Shrink Small Outline Package)
• Essence: MAX3222EETP+T is a versatile RS-232 transceiver designed for low-power applications that require high-speed communication.

Specifications

• Supply Voltage Range: 3.0V to 5.5V
• Data Rate: Up to 1 Mbps
• Number of Channels: 2
• Operating Temperature Range: -40°C to +85°C
• Package Type: TSSOP-20

Pin Configuration

The MAX3222EETP+T has a total of 20 pins. The pin configuration is as follows:

1. SHDN - Shutdown Input
2. VCC - Positive Power Supply
3. C1+ - Capacitor Connection
4. C1- - Capacitor Connection
5. V+ - Positive Charge Pump Output
6. V- - Negative Charge Pump Output
7. R1IN - Receiver 1 Input
8. R1OUT - Receiver 1 Output
9. GND - Ground
10. T1OUT - Transmitter 1 Output
11. T1IN - Transmitter 1 Input
12. R2IN - Receiver 2 Input
13. R2OUT - Receiver 2 Output
14. T2OUT - Transmitter 2 Output
15. T2IN - Transmitter 2 Input
16. C2- - Capacitor Connection
17. C2+ - Capacitor Connection
18. VCC - Positive Power Supply
19. SHDN - Shutdown Input
20. GND - Ground

Functional Features

• Low-power shutdown mode
• Automatic power-up feature
• ±15kV ESD protection on RS-232 I/O pins
• Flow-through pinout for easy PCB layout
• Suitable for battery-powered applications

Advantages and Disadvantages

Advantages: - Low-power consumption - High-speed communication - Wide supply voltage range - ESD protection

Disadvantages: - Limited to RS-232 communication standard - Not suitable for high-voltage applications

Working Principles

The MAX3222EETP+T is designed to convert TTL/CMOS logic levels to RS-232 voltage levels and vice versa. It utilizes a charge pump to generate the required RS-232 voltage levels from a single supply voltage. The transceiver incorporates protection circuitry to guard against electrostatic discharge (ESD) events.

Application Field Plans

The MAX3222EETP+T is commonly used in various applications, including: - Industrial automation - Telecommunications - Networking equipment - Point-of-sale systems - Medical devices - Consumer electronics

Alternative Models

• MAX3232EIPWR: Similar specifications and features, but available in a different package (TSSOP-16).
• MAX3243EIPWR: Enhanced version with additional features like auto-power-down and enhanced electrostatic discharge protection.

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