Overview
The MAX202CDE4 is a dual RS-232 driver/receiver produced by Texas Instruments. This integrated circuit is designed to facilitate reliable serial communication in various electronic systems. It is widely used in applications requiring RS-232 level shifting, such as industrial automation, telecommunications, and consumer electronics. The MAX202CDE4 stands out for its robustness, low power consumption, and compliance with industry standards, making it a preferred choice for engineers and developers.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 4.5 to 5.5 | V | Typical 5V |
| Operating Temperature | 0 to 70 | °C | Commercial grade |
| Data Rate | 120 | kbps | Maximum |
| Number of Drivers/Receivers | 2/2 | - | Dual |
| ESD Protection | ±15 | kV | Human Body Model |
| Package | SOIC-16 | - | Surface Mount |
Key Features
- Dual RS-232 driver/receiver for bidirectional communication.
- Operates from a single 5V power supply.
- High ESD protection (±15kV) ensures reliability in harsh environments.
- Low power consumption for energy-efficient designs.
- Compatible with industry-standard RS-232 specifications.
Applications
The MAX202CDE4 is commonly used in applications requiring RS-232 communication, such as:
- Industrial Automation: For interfacing PLCs, sensors, and control systems.
- Telecommunications: In modems, routers, and other networking equipment.
- Consumer Electronics: For serial communication in devices like printers and POS systems.
- Embedded Systems: For debugging and communication with microcontrollers.
Q & A
1. What is the operating voltage range of the MAX202CDE4?
The operating voltage range is 4.5V to 5.5V, with a typical supply voltage of 5V.
2. What is the maximum data rate supported?
The maximum data rate is 120 kbps.
3. Does the MAX202CDE4 include ESD protection?
Yes, it provides ESD protection up to ±15kV (Human Body Model).
4. What is the operating temperature range?
It operates in the commercial temperature range of 0°C to 70°C.
5. How many drivers and receivers are included?
It includes 2 drivers and 2 receivers.
6. What package does the MAX202CDE4 come in?
It is available in an SOIC-16 surface-mount package.
7. Is the MAX202CDE4 suitable for industrial applications?
Yes, its robust design and ESD protection make it ideal for industrial environments.
8. Can it be used with microcontrollers?
Yes, it is commonly used for serial communication with microcontrollers.
9. Does it require external components for operation?
It requires external capacitors for charge pump operation, as specified in the datasheet.
10. Is the MAX202CDE4 compliant with RS-232 standards?
Yes, it is fully compliant with RS-232 specifications.
