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TDA7418 - 3 band car audio processor

General Description

The TDA7418 includes a high performance audio processor with fully integrated 3-Band filters to process signals at audible frequencies.

The digital control allows a full programming of the audioprocessor and filters characteristics.

Table 1.

Key Features

  • Input multiplexer.
  • PD/SE4: pseudo differential stereo input, programmable as single-ended input.
  • SE1: stereo single-end input.
  • SE2: stereo single-end input.
  • SE3: stereo single-end input.
  • Input gain adjust from 0 to 15dB with 1dB steps.
  • Internal offset-cancellation (AutoZero) Loudness.
  • Second order frequency response.
  • Programmable center frequency (400 Hz / 800 Hz / 2400 Hz).
  • 15dB with 1dB steps.
  • S.

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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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TDA7418 3 band car audio processor Features • Input multiplexer – PD/SE4: pseudo differential stereo input, programmable as single-ended input – SE1: stereo single-end input – SE2: stereo single-end input – SE3: stereo single-end input – Input gain adjust from 0 to 15dB with 1dB steps – Internal offset-cancellation (AutoZero) Loudness – Second order frequency response – Programmable center frequency (400 Hz / 800 Hz / 2400 Hz) – 15dB with 1dB steps – Selectable low and high frequency boost – Selectable flat-mode (constant attenuation) Volume – +15dB to -79dB with 1dB step resolution – Soft-step control with programmable blend times Bass – Second order frequency response – Center frequency programmable in 4 steps (60 Hz / 80 Hz / 100 Hz / 200 Hz) – Q programmable 1.0/1.25/1.5/2.