ST232ACTR

Product Overview

Category: Integrated Circuit (IC)

Use: The ST232ACTR is a dual driver/receiver IC designed for RS-232 communication. It is commonly used in various applications that require serial communication between devices.

Characteristics: - Dual driver/receiver functionality - Supports RS-232 voltage levels - Low power consumption - Wide operating voltage range - High data rate capability

Package: The ST232ACTR is available in a small outline package (SOIC) with 16 pins.

Essence: This IC serves as an interface between devices operating at different voltage levels, enabling reliable and efficient serial communication.

Packaging/Quantity: The ST232ACTR is typically sold in reels containing a quantity of 2500 units.

Specifications

• Supply Voltage Range: +3.0V to +5.5V
• Data Rate: Up to 120 kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Channels: 2
• Input/Output Voltage Levels: ±30V
• ESD Protection: ±15kV (Human Body Model)

Detailed Pin Configuration

The ST232ACTR features 16 pins, each serving a specific function:

1. VCC - Power supply voltage
2. GND - Ground reference
3. T1OUT - Transmit data output channel 1
4. R1IN - Receive data input channel 1
5. R1OUT - Receive data output channel 1
6. T1IN - Transmit data input channel 1
7. T2IN - Transmit data input channel 2
8. R2OUT - Receive data output channel 2
9. R2IN - Receive data input channel 2
10. T2OUT - Transmit data output channel 2
11. C1+ - External capacitor connection for channel 1
12. C1- - External capacitor connection for channel 1
13. C2- - External capacitor connection for channel 2
14. C2+ - External capacitor connection for channel 2
15. SHDN - Shutdown control input (active low)
16. VCC - Power supply voltage

Functional Features

The ST232ACTR offers the following functional features:

• Dual driver/receiver channels for simultaneous bidirectional communication.
• Wide operating voltage range allows compatibility with various systems.
• Low power consumption makes it suitable for battery-powered devices.
• High data rate capability enables fast and efficient data transmission.
• ESD protection ensures robustness against electrostatic discharges.

Advantages and Disadvantages

Advantages: - Dual driver/receiver functionality provides flexibility in communication setups. - Wide operating voltage range allows integration into different systems. - High data rate capability enables quick data transfer. - ESD protection enhances reliability in harsh environments.

Disadvantages: - Limited to RS-232 communication, not compatible with other protocols. - Requires external capacitors for proper operation. - May require additional components for complete system integration.

Working Principles

The ST232ACTR operates based on the principles of RS-232 communication. It uses voltage levels to represent binary data, with positive and negative voltages indicating different logic states. The IC's dual driver/receiver channels enable bidirectional communication between devices, ensuring reliable data exchange.

Detailed Application Field Plans

The ST232ACTR finds applications in various fields, including but not limited to: - Industrial automation - Telecommunications - Networking equipment - Medical devices - Consumer electronics

In industrial automation, it can be used for connecting PLCs (Programmable Logic Controllers) to peripheral devices. In telecommunications, it facilitates communication between modems and routers. Networking equipment, such as switches and routers, can utilize the ST232ACTR for serial communication with other devices. Medical devices often require RS-232 connectivity for data transfer, making this IC suitable for such applications. Additionally, it can be found in consumer electronics like barcode scanners and point-of-sale systems.

Detailed and Complete Alternative Models

Some alternative models to the ST232ACTR include: - MAX232 - LTC1385 - ADM3202 - SP3232

These alternatives offer similar functionality and are widely used in the industry. However, each model may have slight differences in specifications and pin configuration, so it is important to consult the respective datasheets for detailed information.

In conclusion, the ST232ACTR is a versatile dual driver/receiver IC designed for RS-232 communication. Its wide operating voltage range, high data rate capability, and ESD protection make it suitable for various applications in different fields. While it has some limitations and requires external components, it provides reliable and efficient serial communication between devices.