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SN75189APWR
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SN75189APWR

Product Overview

  • Category: Integrated Circuit (IC)
  • Use: RS-232 Line Driver/Receiver
  • Characteristics:
    • High-speed data transmission
    • Low power consumption
    • Wide operating voltage range
    • ESD protection
  • Package: TSSOP-14
  • Essence: The SN75189APWR is a versatile IC designed for bidirectional data communication between two devices using the RS-232 protocol.
  • Packaging/Quantity: Available in tape and reel packaging, with 2500 units per reel.

Specifications

  • Supply Voltage Range: +4.5V to +5.5V
  • Data Rate: Up to 20 Mbps
  • Operating Temperature Range: -40°C to +85°C
  • Input/Output Voltage Range: ±30V
  • ESD Protection: ±15kV (Human Body Model)

Detailed Pin Configuration

The SN75189APWR has a total of 14 pins, which are assigned as follows:

  1. VCC - Power supply voltage
  2. GND - Ground reference
  3. A - Data input/output line A
  4. B - Data input/output line B
  5. Y - Receiver output
  6. Z - Receiver output
  7. G - Gate control input
  8. R - Receiver enable input
  9. S - Driver enable input
  10. T - Driver enable input
  11. V - Receiver output
  12. W - Receiver output
  13. X - Data input/output line C
  14. NC - No connection

Functional Features

  • Bidirectional data transmission
  • Differential line driver and receiver
  • Built-in ESD protection
  • Supports full-duplex communication
  • Low power consumption
  • Wide operating voltage range

Advantages and Disadvantages

Advantages: - High-speed data transmission - ESD protection for robust communication - Versatile and widely used in various applications - Low power consumption

Disadvantages: - Limited to RS-232 protocol compatibility - Requires external components for complete functionality

Working Principles

The SN75189APWR is designed to interface between two devices using the RS-232 protocol. It converts the logic-level signals from the transmitting device into RS-232 compatible voltage levels for transmission over long distances. On the receiving end, it converts the RS-232 signals back into logic-level signals for the receiving device.

Detailed Application Field Plans

The SN75189APWR is commonly used in various applications, including:

  1. Industrial automation systems
  2. Telecommunication equipment
  3. Computer peripherals
  4. Point-of-sale terminals
  5. Networking devices
  6. Test and measurement instruments

Detailed and Complete Alternative Models

Some alternative models that can be considered as alternatives to the SN75189APWR are:

  1. MAX232 - RS-232 Line Driver/Receiver IC
  2. LTC1480 - Low Power RS-485 Transceiver
  3. SP3232 - RS-232 Transceiver with AutoShutdown Plus

These alternative models offer similar functionality and can be used as replacements depending on specific requirements.

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技術ソリューションにおける SN75189APWR の適用に関連する 10 件の一般的な質問と回答をリストします。

Sure! Here are 10 common questions and answers related to the application of SN75189APWR in technical solutions:

  1. Q: What is SN75189APWR? A: SN75189APWR is a quad differential line receiver IC commonly used for data communication applications.

  2. Q: What is the operating voltage range of SN75189APWR? A: The operating voltage range of SN75189APWR is typically between 4.75V and 5.25V.

  3. Q: What is the maximum data rate supported by SN75189APWR? A: SN75189APWR can support data rates up to 10 Mbps.

  4. Q: Can SN75189APWR be used for RS-232 communication? A: Yes, SN75189APWR is compatible with RS-232 communication standards.

  5. Q: How many differential inputs does SN75189APWR have? A: SN75189APWR has four differential inputs, allowing it to receive signals from multiple sources.

  6. Q: What is the output voltage swing of SN75189APWR? A: The output voltage swing of SN75189APWR is typically ±7V.

  7. Q: Is SN75189APWR suitable for long-distance communication? A: Yes, SN75189APWR is designed for long-distance communication and can drive transmission lines up to 4000 feet.

  8. Q: Does SN75189APWR require external termination resistors? A: Yes, SN75189APWR requires external termination resistors to match the characteristic impedance of the transmission line.

  9. Q: Can SN75189APWR operate in harsh environments? A: SN75189APWR has a wide operating temperature range (-40°C to +85°C) and can withstand harsh industrial environments.

  10. Q: What is the package type of SN75189APWR? A: SN75189APWR is available in a small outline, thin shrink small outline package (SOIC-16).