ST232CTR

Product Overview

Category: Integrated Circuit (IC)

Use: ST232CTR is a dual driver/receiver IC designed for RS-232 communication. It provides voltage level conversion and signal amplification, making it suitable for serial communication applications.

Characteristics: - Dual driver/receiver - Voltage level conversion - Signal amplification - Compact size - Low power consumption

Package: ST232CTR comes in a small outline package (SOIC) with 16 pins.

Essence: The essence of ST232CTR lies in its ability to facilitate reliable and efficient RS-232 communication by converting voltage levels and amplifying signals.

Packaging/Quantity: ST232CTR is typically packaged in reels or tubes, with a quantity of 2500 units per reel or tube.

Specifications

• Supply Voltage: 3V to 5.5V
• Data Rate: Up to 120 kbps
• Operating Temperature Range: -40°C to +85°C
• Number of Pins: 16
• Package Type: SOIC

Detailed Pin Configuration

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

Functional Features

• Dual-channel driver/receiver: ST232CTR provides two independent channels for simultaneous transmission and reception of data.
• Voltage level conversion: It converts the RS-232 voltage levels to TTL/CMOS logic levels, ensuring compatibility between different systems.
• Signal amplification: The IC amplifies weak RS-232 signals, enhancing their reliability over long-distance communication.
• Low power consumption: ST232CTR is designed to operate with low power consumption, making it suitable for battery-powered devices.

Advantages and Disadvantages

Advantages: - Dual-channel design allows for versatile communication setups. - Efficient voltage level conversion ensures compatibility across different systems. - Signal amplification improves signal integrity and extends communication range. - Compact size enables integration into space-constrained applications. - Low power consumption prolongs battery life in portable devices.

Disadvantages: - Limited data rate compared to some modern communication standards. - Requires external capacitors for proper operation. - Sensitivity to electrostatic discharge (ESD) may require additional protection measures.

Working Principles

ST232CTR operates by receiving RS-232 signals on the receive inputs (R1IN and R2IN), converting them to TTL/CMOS logic levels, and amplifying them before transmitting through the corresponding transmit outputs (T1OUT and T2OUT). The voltage level conversion is achieved using internal charge pumps and voltage regulators.

Detailed Application Field Plans

ST232CTR finds applications in various fields where RS-232 communication is required. Some common application areas include: - Industrial automation - Telecommunications - Networking equipment - Point-of-sale systems - Medical devices - Consumer electronics

Detailed and Complete Alternative Models

• MAX232: A popular alternative to ST232CTR, offering similar functionality and performance.
• ADM3202: Another dual driver/receiver IC with RS-232 voltage level conversion capabilities.
• LTC1380: Provides dual-channel RS-232 communication with integrated charge pumps for voltage level conversion.

These alternative models offer comparable features and can be considered as substitutes for ST232CTR in different applications.

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