Overview
The ST202EBTR is a 2-driver, 2-receiver RS-232 transceiver designed by STMicroelectronics for use in harsh environments. This device is part of the ST202EB, ST202EC, ST232EB, and ST232EC series, which are optimized for RS-232 and V.28 communications. Each transmitter output and receiver input is protected against ±15 kV electrostatic discharge (ESD) shocks, ensuring robust performance in challenging conditions. The ST202EBTR operates from a single 5 V power supply and meets all EIA/TIA-232E and CCITT V.28 specifications at data rates up to 230 kbps.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | -0.3 to 6 | V |
| Operating Temperature Range | -40 to 85 | °C |
| Data Rate | Up to 230 kbps | |
| ESD Protection | ±15 kV (Human Body Model) | |
| Transmitter Output Voltage Range | (V- - 0.3) to (V+ + 0.3) | V |
| Receiver Input Voltage Range | ±30 | V |
| Transition Slew Rate | 3 to 30 V/µs | |
| Package Type | TSSOP-16L | |
| Capacitors Required | Four 0.1 µF capacitors |
Key Features
- ESD protection for RS-232 I/O pins: ±15 kV human body model
- Guaranteed data rate up to 230 kbps
- Guaranteed slew rate range of 3 to 30 V/µs
- Operates from a single 5 V power supply
- Meets EIA/TIA-232E and CCITT V.28 specifications
- Uses four 0.1 µF capacitors, reducing cost and board space
Applications
The ST202EBTR is suitable for various applications requiring robust RS-232 communication in harsh environments, such as:
- Industrial automation and control systems
- Medical devices requiring reliable serial communication
- Automotive systems where ESD protection is crucial
- Remote monitoring and control systems in harsh environments
Q & A
- What is the primary function of the ST202EBTR?
The ST202EBTR is a 2-driver, 2-receiver RS-232 transceiver designed for RS-232 and V.28 communications in harsh environments.
- What level of ESD protection does the ST202EBTR offer?
The ST202EBTR offers ±15 kV ESD protection for RS-232 I/O pins based on the human body model.
- What is the maximum data rate supported by the ST202EBTR?
The ST202EBTR supports data rates up to 230 kbps.
- What is the operating voltage of the ST202EBTR?
The ST202EBTR operates from a single 5 V power supply.
- What type of package is the ST202EBTR available in?
The ST202EBTR is available in a TSSOP-16L package.
- What capacitors are required for the ST202EBTR?
The ST202EBTR requires four 0.1 µF capacitors.
- What are the operating temperature ranges for the ST202EBTR?
The operating temperature range for the ST202EBTR is -40 to 85 °C.
- Does the ST202EBTR meet industry standards for RS-232 communication?
Yes, the ST202EBTR meets all EIA/TIA-232E and CCITT V.28 specifications.
- What are some typical applications for the ST202EBTR?
The ST202EBTR is suitable for industrial automation, medical devices, automotive systems, and remote monitoring systems in harsh environments.
- How does the ST202EBTR reduce cost and board space?
The ST202EBTR uses four 0.1 µF capacitors, which reduces cost and board space compared to other configurations.
