The ST232ABTR is a robust and versatile transceiver from STMicroelectronics, designed for serial communication using the RS-232 protocol. This integrated circuit is part of a series that has been engineered to convert TTL or CMOS logic levels to RS-232 voltage levels and vice versa, making it an essential component for applications involving serial communication.
Key Features
- Interface Type: The ST232ABTR uses the RS-232 protocol, which is a standard for serial binary data signals connecting between a DTE (Data Terminal Equipment) and a DCE (Data Circuit-terminating Equipment).
- Voltage Range: This transceiver operates within a wide range of supply voltages, from 4.5V to 5.5V, accommodating various system requirements.
- Data Rate: It supports data rates up to 120 kbps, allowing for efficient data transmission without sacrificing speed.
- ESD Protection: The device includes an ESD (Electrostatic Discharge) protection system that can handle up to 8 kV on all transmitter and receiver pins, ensuring reliability and longevity in harsh environments.
- Low Power Consumption: With a low supply current, it is designed to be power-efficient, making it suitable for battery-powered or power-sensitive applications.
- Number of Drivers/Receivers: The ST232ABTR features 2 drivers and 2 receivers, providing the flexibility needed for full-duplex communication.
Applications
The ST232ABTR is a versatile component that can be used in a wide array of applications, including:
- Serial data communication in embedded systems
- Interface for modem connectivity
- Industrial control and automation
- Point of sale systems
- Networking and telecommunication equipment
Product Specifications
| Parameter |
Value |
| Supply Voltage (VCC) |
4.5V to 5.5V |
| Data Rate (Max) |
120 kbps |
| ESD Protection |
8 kV |
| Operating Temperature Range |
0°C to 70°C |
The ST232ABTR is available in a TSSOP package, making it compact and easy to integrate into various designs. With its reliable performance and protective features, it stands as a go-to choice for developers and engineers looking to implement RS-232 communication in their projects.