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LC75374E - Electronic Volume and Tone Control

Description

Notes 19 Vref

Supply voltage generator (0.525 × VDD) used for the analog ground.

A capacitor must be connected between Vref and VSS to remove power supply ripple.

Fader outputs.

The front and rear outputs can be attenuated independently.

Features

  • On-chip buffer amplifiers minimizes the number of external components.
  • Built-in reference voltage generator for the analog ground.
  • All controls can be set using the serial data input circuit (CCB). Functions.
  • Volume: 0dB to.
  • 79dB (in 1-dB steps) and.
  • ∞dB for a total of 81 positions. A balance function can be implemented by controlling the left and right channels independently.
  • Fader: Allows either the rear or the front channel out.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Ordering number : EN5835 CMOS IC LC75374E Electronic Volume and Tone Control for Car Stereos Overview The LC75374E is an electronic volume and tone control circuit that provides volume, balance, fader, bass and treble, super bass, input switching, and input and output level controls and requires a minimal number of external components to implement these functions. Features • On-chip buffer amplifiers minimizes the number of external components. • Built-in reference voltage generator for the analog ground. • All controls can be set using the serial data input circuit (CCB). Functions • Volume: 0dB to –79dB (in 1-dB steps) and –∞dB for a total of 81 positions. A balance function can be implemented by controlling the left and right channels independently.
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