Overview
The MAX3221EIDBR is a high-speed, low-power RS-232 transceiver produced by Texas Instruments. This component is designed for robust communication in industrial and consumer applications. It supports data rates up to 250 kbps and operates with a supply voltage range of 3.0V to 5.5V, making it versatile for various electronic systems. The MAX3221EIDBR is particularly known for its low power consumption and integrated charge pump, which eliminates the need for external components. Its market positioning targets embedded systems, portable devices, and industrial automation, offering a reliable solution for serial communication needs.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 3.0 to 5.5 | V | |
| Data Rate | 250 | kbps | |
| Operating Temperature | -40 to 85 | °C | |
| Number of Drivers/Receivers | 1/1 | ||
| Package | SSOP-16 | ||
| Low Power Mode | Yes | Consumes <1µA | |
| ESD Protection | ±15kV | Human Body Model |
Key Features
- Supports high-speed data transmission up to 250 kbps.
- Integrated charge pump for simplified design and reduced external components.
- Low power consumption, with <1µA in shutdown mode.
- Robust ESD protection up to ±15kV (Human Body Model).
- Wide operating voltage range of 3.0V to 5.5V.
Applications
The MAX3221EIDBR is widely used in various industries due to its reliability and versatility. Key applications include:
- Industrial Automation: Facilitates communication between controllers and sensors in harsh environments.
- Portable Devices: Enables serial communication in battery-powered devices due to its low power consumption.
- Embedded Systems: Provides robust RS-232 communication for microcontrollers and processors.
- Consumer Electronics: Used in devices requiring reliable serial data transfer, such as printers and POS systems.
Q & A
1. What is the maximum data rate supported by the MAX3221EIDBR?
The MAX3221EIDBR supports a maximum data rate of 250 kbps.
2. What is the operating voltage range of this component?
It operates within a voltage range of 3.0V to 5.5V.
3. Does the MAX3221EIDBR have ESD protection?
Yes, it provides ESD protection up to ±15kV (Human Body Model).
4. What is the power consumption in low power mode?
In low power mode, it consumes less than 1µA.
5. What package does the MAX3221EIDBR come in?
It is available in an SSOP-16 package.
6. Is an external charge pump required?
No, the MAX3221EIDBR has an integrated charge pump.
7. What is the operating temperature range?
It operates from -40°C to 85°C.
8. Can this component be used in portable devices?
Yes, its low power consumption makes it ideal for battery-powered portable devices.
9. How many drivers and receivers does it have?
It has one driver and one receiver.
10. What are typical applications for the MAX3221EIDBR?
Typical applications include industrial automation, portable devices, embedded systems, and consumer electronics.
