MAX202EESE+ - English Editing Encyclopedia Entry

Product Overview

• Category: Integrated Circuit (IC)
• Use: RS-232 Transceiver
• Characteristics: Low-power, dual-channel, ESD protection, wide supply voltage range
• Package: 16-pin Narrow SOIC (Small Outline Integrated Circuit)
• Essence: MAX202EESE+ is a high-performance RS-232 transceiver designed for low-power applications. It provides two full-duplex channels with ESD protection and operates over a wide supply voltage range.
• Packaging/Quantity: The MAX202EESE+ is available in tape and reel packaging, with a quantity of 2500 units per reel.

Specifications

• Supply Voltage Range: +4.5V to +5.5V
• Operating Temperature Range: -40°C to +85°C
• Data Rate: Up to 120kbps
• Number of Channels: 2
• Input/Output Voltage Range: ±30V
• ESD Protection: ±15kV Human Body Model

Pin Configuration

The MAX202EESE+ has a 16-pin Narrow SOIC package with the following pin configuration:

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

Functional Features

• Low-power consumption
• Dual-channel design for simultaneous bidirectional communication
• ESD protection for robust operation
• Wide supply voltage range allows compatibility with various systems
• High data rate capability up to 120kbps

Advantages and Disadvantages

Advantages: - Low-power consumption makes it suitable for battery-powered applications - ESD protection ensures reliable operation in harsh environments - Dual-channel design enables simultaneous communication on two separate channels - Wide supply voltage range provides flexibility in system integration

Disadvantages: - Limited data rate compared to some other RS-232 transceivers - 16-pin package may require additional board space compared to smaller packages

Working Principles

The MAX202EESE+ is based on a charge pump voltage converter that generates the required RS-232 voltage levels from a single +5V supply. It uses internal capacitors to store and regulate the voltages needed for RS-232 communication. The transceiver employs line drivers and receivers to convert the logic-level signals to RS-232 voltage levels and vice versa.

Detailed Application Field Plans

The MAX202EESE+ is commonly used in various applications, including: - Industrial automation systems - Telecommunication equipment - Point-of-sale terminals - Medical devices - Networking equipment - Test and measurement instruments

Alternative Models

For users seeking alternative options, the following RS-232 transceivers can be considered: - MAX3232ESE+: Similar to MAX202EESE+, but with higher data rate capability (up to 250kbps) - MAX232CPE: Classic RS-232 transceiver with lower power consumption and lower data rate (up to 120kbps) - SP3232EEN-L/TR: Low-power RS-232 transceiver with extended temperature range and ±15kV ESD protection

In conclusion, the MAX202EESE+ is a versatile RS-232 transceiver offering low-power operation, dual-channel functionality, and ESD protection. Its wide supply voltage range and robust performance make it suitable for various applications in different industries. Users can also consider alternative models based on their specific requirements.