Overview
The ST232ECDR is a ±15 kV ESD-protected 5 V RS-232 transceiver manufactured by STMicroelectronics. This device is designed for RS-232 and V.28 communications in harsh environments. It features two drivers and two receivers, each protected against electrostatic discharge (ESD) shocks. The ST232ECDR 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 |
| ESD Protection | ±15 kV | Human Body Model |
| Data Rate | Up to 230 kbps | - |
| Slew Rate Range | 3 to 30 V/µs | - |
| Transmitter Output Voltage Swing | ±5 to ±9 V | - |
| Receiver Input Voltage Range | -30 to 30 V | - |
| Power Supply Current (No Load) | 5 to 10 mA | - |
| Operating Temperature Range | -40 to 85 °C | - |
| Package Types | SO16, TSSOP16 | - |
Key Features
- ESD protection for RS-232 I/O pins: ±15 kV human body model and ±6 kV IEC 1000-4-2 (contact discharge)
- 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
- Two drivers and two receivers for RS-232 and V.28 communications
- Uses four 1 µF capacitors for the ST232E series, reducing cost and board space
Applications
The ST232ECDR is suitable for various applications requiring reliable RS-232 communication in harsh environments. These include:
- Industrial automation and control systems
- Medical devices requiring robust communication interfaces
- Aerospace and defense systems where ESD protection is critical
- Automotive systems needing reliable data transmission
- Any application requiring high-speed data transmission with ESD protection
Q & A
- What is the primary function of the ST232ECDR?
The ST232ECDR is a ±15 kV ESD-protected 5 V RS-232 transceiver designed for RS-232 and V.28 communications.
- What is the maximum data rate supported by the ST232ECDR?
The ST232ECDR supports data rates up to 230 kbps.
- What type of ESD protection does the ST232ECDR offer?
The ST232ECDR offers ±15 kV ESD protection for RS-232 I/O pins.
- What is the operating voltage range of the ST232ECDR?
The ST232ECDR operates from a single 5 V power supply.
- What are the typical applications of the ST232ECDR?
The ST232ECDR is used in industrial automation, medical devices, aerospace, automotive systems, and any application requiring high-speed data transmission with ESD protection.
- What are the package options available for the ST232ECDR?
The ST232ECDR is available in SO16 and TSSOP16 packages.
- What is the slew rate range of the ST232ECDR?
The slew rate range of the ST232ECDR is 3 to 30 V/µs.
- How many capacitors are required for the ST232ECDR and what are their values?
The ST232ECDR requires four 1 µF capacitors.
- What is the operating temperature range of the ST232ECDR?
The operating temperature range of the ST232ECDR is -40 to 85 °C.
- What are the key electrical characteristics of the ST232ECDR?
The key electrical characteristics include transmitter output voltage swing, receiver input voltage range, and power supply current among others, as detailed in the specifications table.
