MAX3228EBV-T

Product Overview

Category

MAX3228EBV-T belongs to the category of integrated circuits (ICs).

Use

This product is commonly used for serial communication applications, specifically for converting RS-232 voltage levels to TTL/CMOS logic levels.

Characteristics

• High-speed data rates up to 1Mbps
• Low power consumption
• Wide supply voltage range: 3.0V to 5.5V
• Compatible with TIA/EIA-232-F and ITU V.28 standards
• Supports multiple drivers and receivers on a single bus
• Provides ±15kV ESD protection on RS-232 I/O pins

Package

The MAX3228EBV-T is available in a small 20-pin SSOP package.

Essence

The essence of MAX3228EBV-T lies in its ability to facilitate seamless communication between devices operating at different voltage levels, ensuring reliable data transmission.

Packaging/Quantity

This product is typically sold in reels or tubes, with a quantity of 250 units per reel/tube.

Specifications

• Supply Voltage Range: 3.0V to 5.5V
• Data Rate: Up to 1Mbps
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 2
• Input Logic Levels: TTL/CMOS
• Output Logic Levels: RS-232
• ESD Protection: ±15kV (Human Body Model)

Detailed Pin Configuration

The MAX3228EBV-T has a total of 20 pins. The following table provides a detailed pin configuration:

| Pin No. | Pin Name | Description | |---------|----------|-------------| | 1 | VCC | Positive Power Supply | | 2 | GND | Ground | | 3 | C1IN | Capacitor 1 Input | | 4 | C1OUT | Capacitor 1 Output | | 5 | R1IN | Resistor 1 Input | | 6 | R1OUT | Resistor 1 Output | | 7 | T1IN | Transmitter 1 Input | | 8 | T1OUT | Transmitter 1 Output | | 9 | R2OUT | Receiver 2 Output | | 10 | R2IN | Receiver 2 Input | | 11 | T2OUT | Transmitter 2 Output | | 12 | T2IN | Transmitter 2 Input | | 13 | SHDN | Shutdown Control Input | | 14 | V+ | Positive Charge Pump Voltage | | 15 | C2OUT | Capacitor 2 Output | | 16 | C2IN | Capacitor 2 Input | | 17 | GND | Ground | | 18 | V- | Negative Charge Pump Voltage | | 19 | T2OUT | Transmitter 2 Output | | 20 | T2IN | Transmitter 2 Input |

Functional Features

• Bi-directional voltage level conversion between RS-232 and TTL/CMOS logic levels
• Supports multiple drivers and receivers on a single bus
• Low power consumption for energy-efficient operation
• High-speed data transmission up to 1Mbps
• Provides ESD protection on RS-232 I/O pins for enhanced reliability

Advantages and Disadvantages

Advantages

• Wide supply voltage range allows compatibility with various systems
• High-speed data rates enable fast and efficient communication
• ESD protection ensures robustness against electrostatic discharge
• Supports multiple drivers and receivers, enabling flexible system design

Disadvantages

• Limited to RS-232 to TTL/CMOS voltage level conversion, not suitable for other protocols
• Requires external capacitors and resistors for proper operation

Working Principles

The MAX3228EBV-T operates by converting the RS-232 voltage levels to TTL/CMOS logic levels. It utilizes a charge pump to generate the required voltage levels for proper communication. The input signals are level-shifted and amplified to match the desired output logic levels.

Detailed Application Field Plans

The MAX3228EBV-T finds applications in various fields, including but not limited to: - Industrial automation - Telecommunications - Networking equipment - Point-of-sale systems - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models that provide similar functionality to the MAX3228EBV-T include: - MAX3232E: Similar features with additional ESD protection on all pins - MAX3241E: Enhanced ESD protection and lower power consumption - MAX3237E: Higher data rates and lower supply voltage