MAX211CDBR

Product Overview

• Category: Integrated Circuit (IC)
• Use: Communication and Networking
• Characteristics:
  • Low-power RS-232 transceiver
  • Suitable for battery-powered applications
  • Supports data rates up to 120kbps
  • Operates from a single +3.0V to +5.5V supply
• Package: SOIC (Small Outline Integrated Circuit)
• Essence: MAX211CDBR is a low-power RS-232 transceiver designed for communication and networking applications. It offers reliable and efficient data transmission at high speeds while consuming minimal power.
• Packaging/Quantity: The MAX211CDBR is available in a standard SOIC package and is typically sold in reels of 2500 units.

Specifications

• Supply Voltage Range: +3.0V to +5.5V
• Data Rate: Up to 120kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 16
• Package Type: SOIC

Pin Configuration

The MAX211CDBR has the following pin configuration:

1. VCC
2. GND
3. T1OUT
4. R1IN
5. T1IN
6. R1OUT
7. SHDN
8. C1OUT
9. C1IN
10. R2OUT
11. T2IN
12. R2IN
13. T2OUT
14. C2IN
15. C2OUT
16. VCC

Functional Features

• Low-power consumption
• Integrated charge pump circuitry for voltage conversion
• Automatic power-down mode when not in use
• Enhanced ESD protection for robust operation
• Supports multiple data formats (8-bit, 9-bit, or 16-bit)
• Wide supply voltage range for flexibility in various applications

Advantages and Disadvantages

Advantages

• Low power consumption makes it suitable for battery-powered devices
• Supports high-speed data transmission up to 120kbps
• Integrated charge pump circuitry eliminates the need for external components
• Enhanced ESD protection ensures reliable operation in harsh environments

Disadvantages

• Limited to RS-232 communication standard, not compatible with other standards like RS-485 or USB
• Requires additional level shifting circuitry for interfacing with different logic levels

Working Principles

The MAX211CDBR operates as an RS-232 transceiver by converting TTL/CMOS logic levels to RS-232 voltage levels. It utilizes a charge pump circuit to generate the required voltage levels for RS-232 communication. The transceiver supports both transmit (TX) and receive (RX) functionality, allowing bidirectional data transfer between two devices.

Detailed Application Field Plans

The MAX211CDBR is commonly used in various communication and networking applications, including:

1. Serial communication interfaces in microcontrollers and embedded systems
2. Industrial automation and control systems
3. Point-of-sale terminals and barcode scanners
4. Data logging and monitoring devices
5. Portable consumer electronics such as smartphones and tablets

Alternative Models

If the MAX211CDBR does not meet specific requirements, alternative models that can be considered include:

1. MAX3232 - Similar low-power RS-232 transceiver with enhanced ESD protection.
2. MAX232 - Classic RS-232 transceiver with higher voltage levels and wider temperature range.
3. SP3232 - RS-232 transceiver with integrated ESD protection and selectable data rates.

These alternative models offer similar functionality and can be suitable replacements depending on the specific application requirements.

In conclusion, the MAX211CDBR is a low-power RS-232 transceiver that provides reliable and efficient communication in various applications. Its compact package, low power consumption, and high-speed capabilities make it an ideal choice for battery-powered devices and other communication systems.