Overview
The MAX3221IDBRG4 is a high-performance, low-power RS-232 transceiver IC manufactured by Texas Instruments. Designed for serial communication applications, this IC facilitates the conversion between RS-232 signal levels and TTL/CMOS logic levels, enabling seamless communication between microcontrollers and external devices. Its compact design and robust features make it ideal for portable electronics, industrial automation, and other embedded systems. The MAX3221IDBRG4 is particularly valued for its low power consumption, high integration, and compliance with industry standards, making it a competitive choice in the market.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 3 to 5.5 | V | Single supply operation |
| Data Rate | Up to 250 | kbps | High-speed communication |
| ESD Protection | ±15 | kV | On RS-232 pins |
| Operating Temperature | -40 to 85 | °C | Industrial range |
| Package | SSOP-16 | - | Compact surface-mount |
| Power Consumption | 1 | µA | Auto-shutdown mode |
Key Features
- Low power consumption with auto-shutdown feature for energy efficiency.
- High ESD protection (±15 kV) ensures reliability in harsh environments.
- Compatible with TIA/EIA-232-F and ITU v.28 standards.
- Supports data rates up to 250 kbps for high-speed communication.
- Single 3V to 5.5V supply operation simplifies power management.
- Compact SSOP-16 package for space-constrained applications.
Applications
The MAX3221IDBRG4 is widely used in various applications, including portable electronics, industrial automation, and embedded systems. In portable devices, its low power consumption extends battery life, while its high ESD protection ensures durability in industrial environments. It is also commonly used in communication interfaces for microcontrollers, enabling reliable data exchange with external devices. Additionally, its compact design makes it suitable for space-constrained applications such as IoT devices and consumer electronics.
Q & A
1. What is the operating voltage range of the MAX3221IDBRG4?
The MAX3221IDBRG4 operates within a voltage range of 3V to 5.5V.
2. Does the MAX3221IDBRG4 support high-speed communication?
Yes, it supports data rates up to 250 kbps.
3. What is the ESD protection level of the MAX3221IDBRG4?
It provides ±15 kV ESD protection on RS-232 pins.
4. What is the power consumption in auto-shutdown mode?
The power consumption is as low as 1 µA in auto-shutdown mode.
5. What package does the MAX3221IDBRG4 come in?
It is available in a compact SSOP-16 package.
6. Is the MAX3221IDBRG4 compatible with industry standards?
Yes, it complies with TIA/EIA-232-F and ITU v.28 standards.
7. Can the MAX3221IDBRG4 be used in industrial environments?
Yes, its robust ESD protection and wide operating temperature range make it suitable for industrial applications.
8. What are the typical applications of the MAX3221IDBRG4?
It is commonly used in portable electronics, industrial automation, and embedded systems.
9. Does the MAX3221IDBRG4 require external components for operation?
It requires only four 0.1 µF capacitors for operation, simplifying the design.
10. What is the operating temperature range of the MAX3221IDBRG4?
It operates within a temperature range of -40°C to 85°C.
