ON Semiconductor
이미지는 예시일 수 있습니다.
제품 세부사항은 사양을 확인하세요.
MC1488DR2G
자세히보기 데이터시트

MC1488DR2G

Product Overview

  • Category: Integrated Circuit
  • Use: RS-232 Line Driver/Receiver
  • Characteristics: High-speed, low-power, compatible with EIA/TIA-232 standards
  • Package: SOIC-14
  • Essence: Converts TTL/CMOS level signals to RS-232 voltage levels and vice versa
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Data Rate: Up to 120 kbps
  • Operating Temperature Range: -40°C to +85°C
  • Input/Output Type: Differential
  • Number of Channels: 4

Detailed Pin Configuration

  1. VCC - Power supply input
  2. GND - Ground
  3. T1OUT - Transmitter 1 output
  4. R1IN - Receiver 1 input
  5. T2OUT - Transmitter 2 output
  6. R2IN - Receiver 2 input
  7. T3OUT - Transmitter 3 output
  8. R3IN - Receiver 3 input
  9. T4OUT - Transmitter 4 output
  10. R4IN - Receiver 4 input
  11. NC - No connection
  12. NC - No connection
  13. NC - No connection
  14. NC - No connection

Functional Features

  • Converts TTL/CMOS logic levels to RS-232 voltage levels
  • Provides differential line driver and receiver functions
  • Supports full-duplex communication
  • Low power consumption
  • High-speed data transmission

Advantages and Disadvantages

Advantages

  • Wide operating temperature range
  • Compatible with EIA/TIA-232 standards
  • Small package size
  • Low power consumption

Disadvantages

  • Limited number of channels (4)
  • Requires external components for complete RS-232 interface implementation

Working Principles

The MC1488DR2G is an integrated circuit that acts as a line driver and receiver for RS-232 communication. It converts TTL/CMOS level signals to RS-232 voltage levels, allowing communication between devices operating at different logic levels. The chip provides differential signaling, which improves noise immunity and signal integrity.

When transmitting data, the MC1488DR2G amplifies the TTL/CMOS logic levels to RS-232 voltage levels, ensuring reliable transmission over long distances. On the receiving end, it receives RS-232 signals and converts them back to TTL/CMOS levels for further processing by the connected device.

Detailed Application Field Plans

The MC1488DR2G is commonly used in various applications where RS-232 communication is required. Some typical application fields include:

  1. Industrial Automation: Used in PLCs (Programmable Logic Controllers), SCADA systems, and industrial control equipment for reliable serial communication.
  2. Telecommunications: Employed in modems, routers, and other networking devices to enable RS-232 connectivity.
  3. Computer Peripherals: Integrated into printers, barcode scanners, and other peripherals to facilitate communication with host systems.
  4. Test and Measurement Equipment: Utilized in oscilloscopes, data loggers, and other measurement instruments for serial data transfer.

Detailed and Complete Alternative Models

  1. MAX232 - Another popular RS-232 line driver/receiver IC with similar functionality.
  2. SP3232 - Provides RS-232 transceiver functions with enhanced ESD protection.
  3. LTC2875 - Offers robust RS-232/RS-485 transceiver capabilities for industrial applications.

These alternative models can be considered based on specific requirements and design constraints.

Word count: 398

기술 솔루션에 MC1488DR2G 적용과 관련된 10가지 일반적인 질문과 답변을 나열하세요.

Sure! Here are 10 common questions and answers related to the application of MC1488DR2G in technical solutions:

  1. Q: What is MC1488DR2G? A: MC1488DR2G is a quad line driver IC commonly used for converting TTL/CMOS logic levels to RS-232 voltage levels.

  2. Q: What are the key features of MC1488DR2G? A: The key features of MC1488DR2G include low power consumption, wide operating voltage range, and compatibility with various logic families.

  3. Q: How does MC1488DR2G convert logic levels to RS-232 voltage levels? A: MC1488DR2G uses internal charge pumps to generate the required positive and negative voltages for RS-232 communication.

  4. Q: Can MC1488DR2G be used for bidirectional communication? A: No, MC1488DR2G is a unidirectional line driver and cannot be used for bidirectional communication. It is typically used in conjunction with a separate line receiver IC.

  5. Q: What is the maximum data rate supported by MC1488DR2G? A: MC1488DR2G can support data rates up to 120 kbps, making it suitable for many standard serial communication applications.

  6. Q: Is MC1488DR2G compatible with both TTL and CMOS logic levels? A: Yes, MC1488DR2G is compatible with both TTL (Transistor-Transistor Logic) and CMOS (Complementary Metal-Oxide-Semiconductor) logic levels.

  7. Q: Can MC1488DR2G be used in industrial environments? A: Yes, MC1488DR2G is designed to operate reliably in industrial environments, with a wide temperature range and robust ESD protection.

  8. Q: What is the power supply voltage range for MC1488DR2G? A: MC1488DR2G can operate with a power supply voltage range of 4.5V to 5.5V.

  9. Q: Does MC1488DR2G require any external components for operation? A: Yes, MC1488DR2G requires external capacitors for charge pump operation. The datasheet provides guidelines for selecting appropriate capacitor values.

  10. Q: Can MC1488DR2G be used in battery-powered applications? A: Yes, MC1488DR2G has low power consumption and can be used in battery-powered applications, making it suitable for portable devices.

Please note that these answers are general and may vary depending on specific application requirements. It's always recommended to refer to the datasheet and consult with technical experts for accurate information.