Overview
The ST202BDR, produced by STMicroelectronics, is a 5V powered multi-channel RS-232 driver and receiver device. It is designed to comply with EIA/TIA-232 and V.28 communication standards, making it suitable for applications where ±12V is not available. This device features a single 5V power supply and requires only four external capacitors (0.1 µF), enhancing its efficiency and simplicity in design.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage | 4.5 | 5 | 5.5 | V |
| Operating Temperature | -40 | 85 | °C | |
| Supply Current (No Load) | 1.5 | 4 | mA | |
| Transmitter Output Voltage Swing | ±5 | ±9 | V | |
| Transition Slew Rate | 6 | 12 | 30 | V/µs |
| Data Rate | 200 | 400 | kbits/s | |
| Receiver Propagation Delay | 0.1 | ms | ||
| Package Type | SO-16 (Tape and Reel) | |||
| RoHS Compliance | Ecopack3 |
Key Features
- Single 5V power supply, eliminating the need for ±12V supplies.
- Requires only four external capacitors (0.1 µF).
- Compliant with EIA/TIA-232 and V.28 communication standards.
- High transmitter output voltage swing (typ. ±9V).
- Fast transition slew rate (typ. 12 V/µs).
- Low receiver propagation delay (typ. 0.1 ms).
- Compatible with MAX202.
- Wide receiver input voltage range (±30V).
- High data rate capability (typ. 400 kbps).
Applications
The ST202BDR is particularly suitable for various applications, including:
- Portable computers.
- Low power modems.
- Interface translation.
- Battery-powered RS-232 networks.
Q & A
- What is the operating voltage range of the ST202BDR?
The operating voltage range is from 4.5V to 5.5V.
- How many external capacitors are required for the ST202BDR?
Four external capacitors (0.1 µF) are required.
- What communication standards does the ST202BDR comply with?
The ST202BDR complies with EIA/TIA-232 and V.28 communication standards.
- What is the typical transmitter output voltage swing of the ST202BDR?
The typical transmitter output voltage swing is ±9V.
- What is the typical transition slew rate of the ST202BDR?
The typical transition slew rate is 12 V/µs.
- What is the receiver propagation delay of the ST202BDR?
The receiver propagation delay is typically 0.1 ms.
- Is the ST202BDR compatible with MAX202?
- What is the data rate capability of the ST202BDR?
The data rate capability is typically 400 kbps.
- What are the typical applications of the ST202BDR?
Typical applications include portable computers, low power modems, interface translation, and battery-powered RS-232 networks.
- What is the package type of the ST202BDR?
The package type is SO-16 (Tape and Reel).
