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DS8921AM
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DS8921AM

Product Overview

  • Category: Integrated Circuit
  • Use: Differential Line Driver and Receiver
  • Characteristics: High-speed, Low-power, Wide temperature range
  • Package: 8-pin SOIC (Small Outline Integrated Circuit)
  • Essence: Provides differential signaling for reliable data transmission
  • Packaging/Quantity: Available in reels of 2500 units

Specifications

  • Supply Voltage: 4.5V to 5.5V
  • Operating Temperature Range: -40°C to +85°C
  • Data Rate: Up to 10 Mbps
  • Input Common Mode Voltage Range: ±7V
  • Output Voltage Swing: ±3.5V
  • Propagation Delay: 20 ns (typical)

Detailed Pin Configuration

The DS8921AM has the following pin configuration:

  1. VCC - Power supply voltage
  2. GND - Ground reference
  3. RO - Receiver output
  4. DE - Driver enable input
  5. DI - Driver input
  6. RE - Receiver enable input
  7. VREF - Reference voltage for receiver threshold
  8. VO - Driver output

Functional Features

  • Differential signaling for noise immunity
  • High-speed data transmission
  • Low power consumption
  • Built-in driver and receiver enable control
  • Wide operating temperature range

Advantages and Disadvantages

Advantages: - Reliable differential signaling - Suitable for high-speed applications - Low power consumption - Wide temperature range operation

Disadvantages: - Limited data rate compared to some newer ICs - Requires external components for complete functionality

Working Principles

The DS8921AM is designed to transmit and receive digital signals differentially. It uses a differential driver to convert single-ended input signals into balanced differential signals. The receiver then converts the differential signals back to single-ended logic levels. This differential signaling technique provides improved noise immunity and allows for reliable data transmission over long distances.

Detailed Application Field Plans

The DS8921AM is commonly used in various applications, including:

  1. Industrial automation systems
  2. Communication equipment
  3. Data acquisition systems
  4. Motor control systems
  5. Robotics
  6. Automotive electronics

Detailed and Complete Alternative Models

  1. SN65LVDS31 - Low-Voltage Differential Line Driver and Receiver
  2. MAX485 - Low-Power, Slew-Rate-Limited RS-485/RS-422 Transceivers
  3. LTC2874 - Quad ±60V Fault Protected RS485 Transceiver

These alternative models offer similar functionality and can be considered as alternatives to the DS8921AM based on specific requirements and application needs.

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10个与DS8921AM在技术解决方案中的应用相关的常见问题及解答

  1. What is the DS8921AM?

    • The DS8921AM is a differential line driver and receiver designed for use in high-speed data transmission systems.

  2. What is the operating voltage range of DS8921AM?

    • The operating voltage range of DS8921AM is typically between 4.75V and 5.25V.

  3. What is the maximum data rate supported by DS8921AM?

    • The DS8921AM supports a maximum data rate of 20Mbps.

  4. What is the typical input impedance of DS8921AM?

    • The typical input impedance of DS8921AM is 12 kΩ.

  5. Can DS8921AM be used in industrial applications?

    • Yes, DS8921AM is suitable for use in industrial applications due to its robust design and performance.

  6. What is the common-mode voltage range of DS8921AM?

    • The common-mode voltage range of DS8921AM is typically between -7V and +12V.

  7. Is DS8921AM compatible with TTL and CMOS logic levels?

    • Yes, DS8921AM is compatible with both TTL and CMOS logic levels.

  8. Does DS8921AM have built-in protection features?

    • Yes, DS8921AM includes built-in thermal shutdown and short-circuit protection.

  9. What is the package type of DS8921AM?

    • DS8921AM is available in a 16-pin SOIC package.

  10. Can DS8921AM be used in point-to-point or multidrop configurations?

    • Yes, DS8921AM can be used in both point-to-point and multidrop configurations, making it versatile for various technical solutions.