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LM1894N Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LM1894NNS100Yes

LM1894N is a carrier-current transmitter manufactured by National Semiconductor (now part of Texas Instruments).

The LM1894N is a carrier-current transmitter manufactured by National Semiconductor (now part of Texas Instruments). Below are its specifications, descriptions, and features:

Specifications:

  • Manufacturer: National Semiconductor
  • Type: Carrier-Current Transmitter
  • Package: 14-Pin DIP (Dual In-line Package)
  • Operating Voltage: 4.5V to 9V
  • Operating Temperature Range: 0°C to +70°C
  • Modulation Type: AM (Amplitude Modulation)
  • Carrier Frequency Range: 50kHz to 300kHz
  • Output Power: Adjustable for line driving applications

Descriptions:

The LM1894N is designed for power-line communication applications, allowing data transmission over existing AC or DC power lines. It modulates a carrier signal with an input data signal and couples it onto the power line. The device includes an on-board oscillator, modulator, and line driver for simplified implementation in carrier-current communication systems.

Features:

  • Integrated Oscillator & Modulator: Eliminates the need for external components for basic operation.
  • Adjustable Carrier Frequency: Can be set between 50kHz and 300kHz using external components.
  • Low Distortion: Ensures reliable data transmission over power lines.
  • Wide Supply Voltage Range: Operates from 4.5V to 9V, making it suitable for various applications.
  • High Noise Immunity: Designed to work effectively in noisy power-line environments.
  • Simple Interface: Requires minimal external components for operation.

This information is based on the manufacturer's datasheet and technical documentation.

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