Overview
The ST232ABDR, produced by STMicroelectronics, is a high-performance, ultra-low power RS-232 transceiver IC. This device is designed to operate with a single 5 V power supply and is particularly suitable for applications where ±12 V is not available. It complies with the EIA/TIA-232 and V.28 communication standards, making it ideal for various low-power and high-speed communication needs.
Key Specifications
| Parameter | Min. | Typ. | Max. | Unit |
|---|---|---|---|---|
| Supply Voltage | 4.5 | 5 | 5.5 | V |
| Supply Current (No Load) | - | 1.5 | 4 | mA |
| Transmitter Output Voltage Swing | -5 | -9 | - | V |
| Transition Slew Rate | 6 | 12 | 30 | V/µs |
| Receiver Propagation Delay | 0.1 | - | 0.5 | µs |
| Receiver Input Voltage Range | -30 | - | 30 | V |
| Data Rate | 200 | 400 | - | kbps |
| Operating Temperature Range | -40 | - | 85 | °C |
| Package Type | - | SO-16, TSSOP16 | - | - |
Key Features
- Very high speed and ultra-low power consumption.
- Operates with a single 5 V power supply.
- Complies with EIA/TIA-232 and V.28 communication standards.
- Two drivers and two receivers.
- Low power supply current: typically 1.5 mA.
- High data rate: up to 400 kbps.
- Wide operating temperature range: -40 to 85 °C.
- Requires only four external capacitors (0.1 µF each).
Applications
- Portable computers.
- Low power modems.
- Interface translation.
- Battery-powered RS-232 networks.
Q & A
- What is the operating voltage range of the ST232ABDR?
The ST232ABDR operates within a supply voltage range of 4.5 to 5.5 V.
- How many drivers and receivers does the ST232ABDR have?
The ST232ABDR has two drivers and two receivers.
- What is the typical data rate of the ST232ABDR?
The typical data rate of the ST232ABDR is 400 kbps.
- What is the operating temperature range of the ST232ABDR?
The operating temperature range of the ST232ABDR is -40 to 85 °C.
- How many external capacitors are required for the ST232ABDR?
The ST232ABDR requires four external capacitors, each 0.1 µF.
- What are the typical applications of the ST232ABDR?
Typical applications include portable computers, low power modems, interface translation, and battery-powered RS-232 networks.
- What is the typical supply current of the ST232ABDR?
The typical supply current of the ST232ABDR is 1.5 mA under no-load conditions.
- What is the transition slew rate of the ST232ABDR?
The transition slew rate of the ST232ABDR is typically 12 V/µs.
- What is the receiver input voltage range of the ST232ABDR?
The receiver input voltage range of the ST232ABDR is ±30 V.
- What packages are available for the ST232ABDR?
The ST232ABDR is available in SO-16 and TSSOP16 packages.
