Professional IC Distribution & Technical Solutions

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.