Overview
The ST232CDR, produced by STMicroelectronics, is a 2-driver, 2-receiver device that adheres to the EIA/TIA-232 and V.28 communication standards. This component is particularly suited for applications where ±12V power is not available, as it operates on a single 5V power supply and requires only four external capacitors (0.1μF). Its design makes it ideal for low-power and portable applications.
Key Specifications
| Parameter | Value |
|---|---|
| Supply Voltage Range | 4.5V to 5.5V |
| Operating Temperature Range | 0°C to 70°C (Commercial), -40°C to 85°C (Industrial) |
| Data Rate (Typical) | 220Kbps |
| Transmitter Output Voltage Swing (Typical) | ±7.8V |
| Supply Current (No Load, Typical) | 5mA |
| Receiver Input Voltage Range | ±30V |
| Package | SO-16, TSSOP-16L |
| RoHS Compliance | Ecopack3 |
| ECCN (US) | EAR99 |
| ECCN (EU) | NEC |
Key Features
- Compatible with MAX232 and MAX202
- Controlled output slew rate
- Low power consumption
- Single 5V power supply
- Requires only four external capacitors (0.1μF)
- Suitable for battery-powered RS-232 systems and multi-drop RS-232 networks
Applications
The ST232CDR is typically used in various applications such as:
- Portable computers
- Low-power modems
- Interface translation
- Battery-powered RS-232 systems
- Multi-drop RS-232 networks
Q & A
- What is the operating voltage range of the ST232CDR? The ST232CDR operates within a supply voltage range of 4.5V to 5.5V.
- What are the typical applications of the ST232CDR? Typical applications include portable computers, low-power modems, interface translation, battery-powered RS-232 systems, and multi-drop RS-232 networks.
- How many external capacitors are required for the ST232CDR? The ST232CDR requires only four external capacitors (0.1μF).
- What is the data rate capability of the ST232CDR? The ST232CDR can handle data rates up to 220Kbps.
- Is the ST232CDR compatible with other RS-232 devices? Yes, it is compatible with MAX232 and MAX202.
- What are the operating temperature ranges for the ST232CDR? The operating temperature ranges are 0°C to 70°C for commercial grade and -40°C to 85°C for industrial grade.
- What is the typical transmitter output voltage swing of the ST232CDR? The typical transmitter output voltage swing is ±7.8V.
- What is the RoHS compliance status of the ST232CDR? The ST232CDR is RoHS compliant with an Ecopack3 rating.
- What are the ECCN codes for the ST232CDR? The ECCN codes are EAR99 for the US and NEC for the EU.
- What are the available packages for the ST232CDR? The ST232CDR is available in SO-16 and TSSOP-16L packages.
