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LA3440 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
LA3440350Yes

LA3440 is an integrated circuit (IC) manufactured by Sanyo Semiconductor (now part of ON Semiconductor).

The LA3440 is an integrated circuit (IC) manufactured by Sanyo Semiconductor (now part of ON Semiconductor). It is primarily used in audio applications, specifically as a Dolby B-type noise reduction processor.

Specifications:

  • Supply Voltage (VCC): 5V to 15V (typical 12V)
  • Operating Temperature Range: -20°C to +75°C
  • Package Type: SIP (Single In-line Package)
  • Pin Count: 16 pins
  • Power Consumption: Approximately 20mA at 12V

Descriptions:

The LA3440 is designed for Dolby B-type noise reduction in cassette tape recorders and playback systems. It provides encoding (recording) and decoding (playback) functions to improve audio signal-to-noise ratio by reducing tape hiss.

Features:

  • Dolby B-Type NR Processing: Compresses high frequencies during recording and expands them during playback to reduce noise.
  • Low Distortion: Ensures minimal signal degradation.
  • Wide Operating Voltage Range: Supports 5V to 15V operation.
  • Built-in Dolby Reference Level Switch: Simplifies calibration.
  • Low Power Consumption: Suitable for battery-operated devices.

This IC was commonly used in high-end cassette decks and audio equipment during the 1980s and 1990s.

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