Texas Instruments
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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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Noem 10 veelgestelde vragen en antwoorden met betrekking tot de toepassing van SN75189APWR in technische oplossingen

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).