MAX3221ECDBRG4

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: 16-pin SOIC (Small Outline Integrated Circuit)
• Essence: Provides bidirectional level shifting between TTL logic levels and RS-232 voltage levels
• Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

• Supply Voltage Range: 3.0V to 5.5V
• Data Rate: Up to 1 Mbps
• Number of Channels: 1
• Operating Temperature Range: -40°C to +85°C
• Package Type: SOIC-16

Pin Configuration

The MAX3221ECDBRG4 has the following pin configuration:

```

---

| | --| VCC GND|-- Pin 1: Ground (GND) --| T1OUT R1IN|-- Pin 2: Receiver Input (R1IN) --| R1OUT T1IN|-- Pin 3: Transmitter Input (T1IN) --| T2IN R2OUT|-- Pin 4: Transmitter Output (T2OUT) --| R2IN T2OUT|-- Pin 5: Receiver Output (R2OUT) --| C1- C1+ |-- Pin 6: Capacitor Connection (C1+ and C1-) --| C2+ C2- |-- Pin 7: Capacitor Connection (C2+ and C2-) --| SHDN VCC |-- Pin 8: Shutdown Input (SHDN) |___________| ```

Functional Features

• Bidirectional level shifting between TTL logic levels and RS-232 voltage levels
• Supports full-duplex communication
• Low-power shutdown mode for power-saving applications
• Built-in charge pump for generating RS-232 voltage levels
• Provides ±15kV ESD (Electrostatic Discharge) protection on RS-232 I/O pins

Advantages

• Wide supply voltage range allows compatibility with various systems
• High-speed data transmission up to 1 Mbps
• Low-power consumption for energy-efficient operation
• Small package size enables space-saving designs
• ESD protection ensures robustness against electrostatic discharges

Disadvantages

• Limited to RS-232 communication, not compatible with other protocols
• Requires external capacitors for proper operation
• May require additional components for specific application requirements

Working Principles

The MAX3221ECDBRG4 is a transceiver IC that facilitates bidirectional communication between devices operating at TTL logic levels and those using RS-232 voltage levels. It utilizes a charge pump to generate the necessary RS-232 voltage levels from a single supply voltage. The transceiver supports full-duplex communication and can operate at data rates up to 1 Mbps.

Application Field Plans

The MAX3221ECDBRG4 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

Alternative Models

Other alternative models that provide similar functionality to the MAX3221ECDBRG4 include:

1. MAX3232ECDR
2. MAX3243EIPWR
3. MAX3237EIDBR
4. MAX3238EIDBR
5. MAX3241EIDBR

These alternative models offer compatibility with RS-232 communication and have similar characteristics and features to the MAX3221ECDBRG4.

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