Overview
The ST202ECD, produced by STMicroelectronics, is a 2-driver, 2-receiver device designed for RS-232 and V.28 communications in harsh environments. This component is part of the ST202E series, which is known for its robust ESD protection and high data rate capabilities. The ST202ECD operates from a single 5V power supply and is suitable for applications requiring reliable serial communication under various environmental conditions.
Key Specifications
| Parameter | Value | Unit |
|---|---|---|
| Supply Voltage (VCC) | -0.3 to 6 | V |
| Extra Positive Voltage (V+) | (VCC - 0.3) to 14 | V |
| Extra Negative Voltage (V-) | -14 to 0.3 | V |
| Transmitter Input Voltage Range (TIN) | -0.3 to (V+ + 0.3) | V |
| Receiver Input Voltage Range (RIN) | ± 30 | V |
| Transmitter Output Voltage Range (TOUT) | (V- - 0.3) to (V+ + 0.3) | V |
| Receiver Output Voltage Range (ROUT) | -0.3 to (VCC + 0.3) | V |
| ESD Protection Voltage (Human Body Model) | ± 15 kV | kV |
| Data Rate | Up to 230 kbps | kbps |
| Slew Rate Range | 3 to 30 V/µs | V/µs |
| Capacitor Values (C1-C4) | 0.1 µF each | µF |
| Package Type | SO-16 (Tube) | - |
| Operating Temperature Range | 0 to 70 °C | °C |
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 5V power supply
- Compliance with EIA/TIA-232E and CCITT V.28 specifications
- Low power consumption with a typical supply current of 5 mA at no load
- Compact SO-16 package, reducing board space
Applications
The ST202ECD is suitable for various applications requiring reliable RS-232 and V.28 serial communication, including:
- Industrial automation and control systems
- Medical devices and equipment
- Telecommunication systems
- Embedded systems and IoT devices
- Harsh environment applications where ESD protection is critical
Q & A
- What is the primary function of the ST202ECD?
The ST202ECD is a 2-driver, 2-receiver device designed for RS-232 and V.28 serial communications.
- What is the ESD protection level of the ST202ECD?
The ST202ECD 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 ST202ECD?
The ST202ECD supports data rates up to 230 kbps.
- What is the operating voltage of the ST202ECD?
The ST202ECD operates from a single 5V power supply.
- What type of capacitors are used with the ST202ECD?
The ST202ECD uses four 0.1 µF capacitors.
- What are the typical operating temperature ranges for the ST202ECD?
The typical operating temperature range for the ST202ECD is 0 to 70 °C.
- Is the ST202ECD compliant with industry standards?
Yes, the ST202ECD is compliant with EIA/TIA-232E and CCITT V.28 specifications.
- What is the package type of the ST202ECD?
The ST202ECD is available in an SO-16 package.
- What are some common applications for the ST202ECD?
The ST202ECD is used in industrial automation, medical devices, telecommunication systems, embedded systems, and harsh environment applications.
- How many transmitters and receivers does the ST202ECD have?
The ST202ECD has two transmitters and two receivers.
