MAX202IDE4

Product Overview

Category: Integrated Circuit (IC)

Use: The MAX202IDE4 is a dual RS-232 line driver/receiver IC. It is designed to convert TTL/CMOS logic levels to RS-232 voltage levels and vice versa. This allows for reliable serial communication between devices operating at different voltage levels.

Characteristics: - Dual RS-232 line driver/receiver - Converts TTL/CMOS logic levels to RS-232 voltage levels - Supports data rates up to 120 kbps - Operates from a single +5V power supply - Low power consumption - ESD protection for RS-232 I/O pins

Package: The MAX202IDE4 is available in a 16-pin SOIC (Small Outline Integrated Circuit) package.

Essence: The essence of the MAX202IDE4 lies in its ability to facilitate bidirectional communication between devices using different voltage levels, ensuring compatibility and reliable data transfer.

Packaging/Quantity: The MAX202IDE4 is typically sold in reels or tubes containing multiple units. The exact quantity per package may vary depending on the supplier.

Specifications

• Supply Voltage: +5V
• Data Rate: Up to 120 kbps
• Operating Temperature Range: -40°C to +85°C
• Package Type: 16-pin SOIC

Pin Configuration

The MAX202IDE4 features a 16-pin configuration with the following pin assignments:

1. VCC - Power supply voltage
2. C1+ - Capacitor connection for charge pump 1
3. C1- - Capacitor connection for charge pump 1
4. V+ - Positive voltage output
5. C2+ - Capacitor connection for charge pump 2
6. C2- - Capacitor connection for charge pump 2
7. V- - Negative voltage output
8. GND - Ground
9. R1IN - Receiver 1 input
10. R1OUT - Receiver 1 output
11. T1IN - Transmitter 1 input
12. T1OUT - Transmitter 1 output
13. T2OUT - Transmitter 2 output
14. T2IN - Transmitter 2 input
15. R2OUT - Receiver 2 output
16. R2IN - Receiver 2 input

Functional Features

The MAX202IDE4 offers the following functional features:

• Bidirectional RS-232 communication
• Logic level conversion between TTL/CMOS and RS-232
• ESD protection for RS-232 I/O pins
• Low power consumption
• Wide operating temperature range

Advantages and Disadvantages

Advantages: - Enables communication between devices with different voltage levels - Supports high data rates up to 120 kbps - Provides ESD protection for RS-232 I/O pins - Compact and easy-to-use package

Disadvantages: - Limited to dual RS-232 communication - Requires external capacitors for charge pump operation

Working Principles

The MAX202IDE4 utilizes a charge pump voltage converter to generate positive and negative RS-232 voltage levels from a single +5V power supply. It employs internal logic circuitry to convert TTL/CMOS logic levels to RS-232 voltage levels, allowing bidirectional communication between devices.

Application Field Plans

The MAX202IDE4 finds applications in various fields where serial communication is required, such as: - Industrial automation - Telecommunications - Networking equipment - Embedded systems - Consumer electronics

Alternative Models

Alternative models that offer similar functionality to the MAX202IDE4 include: - MAX232 - MAX3232 - SP232 - LTC1387

These alternative models can be considered based on specific requirements and availability.

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