Overview
The TRS3232EIDR is a highly reliable RS-232 interface integrated circuit (IC) manufactured by Texas Instruments. Designed for robust communication applications, it features two line drivers, two line receivers, and a dual charge pump circuit with ±15kV IEC ESD protection on serial port connection pins, including GND. This IC is fully compliant with the TIA/EIA-232-F standard, providing an electrical interface between asynchronous communication controllers and serial port connectors. Its compact design and low power consumption make it ideal for battery-powered systems and portable devices.
Key Specifications
| Parameter | Value | Unit | Notes |
|---|---|---|---|
| Supply Voltage | 3 to 5.5 | V | Single supply |
| Data Rate | 250 | kbps | Maximum |
| ESD Protection | ±15 | kV | IEC standard |
| Operating Temperature | -40 to +85 | °C | |
| Package | SOP-16 | Surface mount | |
| Output Slew Rate | 30 | V/µs | Maximum |
| External Capacitors | 4 x 0.1 | µF | Required |
Key Features
- ±15kV IEC ESD protection on serial port pins ensures robust reliability in harsh environments.
- Complies with TIA/EIA-232-F and ITU v.28 standards for universal compatibility.
- Operates with a single 3V to 5.5V power supply, making it suitable for portable and battery-powered applications.
- Supports data rates up to 250kbps for high-speed communication.
- Compact SOP-16 package saves board space and simplifies design integration.
Applications
The TRS3232EIDR is widely used in applications requiring reliable serial communication. It is particularly suited for battery-powered systems such as PDAs, notebooks, laptops, and palmtop PCs. Additionally, it is commonly employed in hand-held equipment and industrial automation systems where robust ESD protection and low power consumption are critical. Its compliance with industry standards ensures seamless integration into a variety of communication systems.
Q & A
1. What is the operating voltage range of the TRS3232EIDR?
The TRS3232EIDR operates with a single supply voltage ranging from 3V to 5.5V.
2. What is the maximum data rate supported by this IC?
It supports data rates up to 250kbps.
3. Does the TRS3232EIDR include ESD protection?
Yes, it features ±15kV IEC ESD protection on serial port connection pins, including GND.
4. What is the package type of the TRS3232EIDR?
It is available in a compact SOP-16 surface-mount package.
5. Is this IC compliant with industry standards?
Yes, it complies with TIA/EIA-232-F and ITU v.28 standards.
6. Can the TRS3232EIDR be used in battery-powered systems?
Yes, its low power consumption and wide supply voltage range make it ideal for battery-powered applications.
7. What external components are required for operation?
Four 0.1µF external capacitors are required for the charge pump circuit.
8. What is the operating temperature range of this IC?
It operates within a temperature range of -40°C to +85°C.
9. How many drivers and receivers does the TRS3232EIDR include?
It includes two drivers and two receivers.
10. What is the typical supply current of the TRS3232EIDR?
The typical supply current is 300µA.
