ON Semiconductor
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MC1489ADR2G
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MC1489ADR2G

Product Overview

  • Category: Integrated Circuit
  • Use: RS-232 Line Driver/Receiver
  • Characteristics: High-speed, low-power, quad-channel
  • Package: SOIC-14
  • Essence: Converts TTL/CMOS logic levels to RS-232 voltage levels
  • Packaging/Quantity: Tape and Reel, 2500 units per reel

Specifications

  • Supply Voltage Range: ±4.5V to ±18V
  • Data Rate: Up to 120 kbps
  • Operating Temperature Range: -40°C to +85°C
  • Number of Channels: 4
  • Input Threshold Voltage: ±200mV
  • Output Voltage Swing: ±5V
  • Propagation Delay Time: 300ns (typical)

Detailed Pin Configuration

  1. VCC - Positive power supply
  2. A - Channel A input
  3. B - Channel B input
  4. C - Channel C input
  5. D - Channel D input
  6. GND - Ground
  7. R1OUT - Channel A output
  8. R2OUT - Channel B output
  9. R3OUT - Channel C output
  10. R4OUT - Channel D output
  11. R1IN - Channel A input
  12. R2IN - Channel B input
  13. R3IN - Channel C input
  14. R4IN - Channel D input

Functional Features

  • Converts TTL/CMOS logic levels to RS-232 voltage levels
  • Provides ESD protection for RS-232 I/O pins
  • Operates with a single power supply
  • Supports data rates up to 120 kbps
  • Low power consumption
  • Suitable for industrial applications

Advantages and Disadvantages

Advantages

  • High-speed data transmission
  • Low power consumption
  • ESD protection for RS-232 I/O pins
  • Wide operating temperature range

Disadvantages

  • Limited to 4 channels
  • Requires external power supply

Working Principles

MC1489ADR2G is an RS-232 line driver/receiver integrated circuit. It converts TTL/CMOS logic levels to RS-232 voltage levels, allowing communication between devices with different voltage requirements. The chip operates with a single power supply and provides ESD protection for the RS-232 I/O pins. It supports data rates up to 120 kbps and is suitable for industrial applications.

Detailed Application Field Plans

  • Industrial automation systems
  • Data communication equipment
  • Telecommunication devices
  • Embedded systems
  • Robotics
  • Test and measurement instruments

Detailed and Complete Alternative Models

  1. MAX232 - RS-232 Line Driver/Receiver
  2. MAX3232 - True RS-232 Transceiver
  3. MAX485 - RS-485/RS-422 Transceiver
  4. SN75176 - RS-485 Transceiver
  5. LTC2874 - Quad RS-485/RS-422 Transceiver

Note: These alternative models offer similar functionality and can be used as replacements for MC1489ADR2G in various applications.

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Перечислите 10 распространенных вопросов и ответов, связанных с применением MC1489ADR2G в технических решениях.

Sure! Here are 10 common questions and answers related to the application of MC1489ADR2G in technical solutions:

  1. Q: What is MC1489ADR2G? A: MC1489ADR2G is a quad line receiver IC that is commonly used for converting RS-232 voltage levels to TTL/CMOS logic levels.

  2. Q: What is the operating voltage range of MC1489ADR2G? A: The operating voltage range of MC1489ADR2G is typically between 4.5V and 5.5V.

  3. Q: Can MC1489ADR2G be used for bidirectional communication? A: No, MC1489ADR2G is a unidirectional line receiver and can only receive data from an RS-232 source.

  4. Q: What is the maximum data rate supported by MC1489ADR2G? A: MC1489ADR2G supports a maximum data rate of up to 120 kbps.

  5. Q: Does MC1489ADR2G require external components for operation? A: Yes, MC1489ADR2G requires external capacitors and resistors for proper operation.

  6. Q: Can MC1489ADR2G handle high-speed signals? A: Yes, MC1489ADR2G is designed to handle high-speed signals with minimal distortion.

  7. Q: Is MC1489ADR2G compatible with both TTL and CMOS logic levels? A: Yes, MC1489ADR2G is compatible with both TTL and CMOS logic levels.

  8. Q: Can MC1489ADR2G tolerate overvoltage conditions? A: Yes, MC1489ADR2G has built-in protection features that allow it to tolerate overvoltage conditions up to ±25V.

  9. Q: Can MC1489ADR2G be used in industrial applications? A: Yes, MC1489ADR2G is suitable for use in various industrial applications due to its robustness and reliability.

  10. Q: What is the package type of MC1489ADR2G? A: MC1489ADR2G is available in an SOIC-14 package, which is a surface-mount package with 14 pins.

Please note that these answers are general and may vary depending on specific application requirements.