CXA1911Q Dolby B/C Type Noise Reduction System with Playback Equalizer

CXA1911Q Dolby B/C Type Noise Reduction System with Playback Equalizer

The CXA1911Q is an IC designed for use in car stereo cassette decks. Functions include Dolby B/C type noise reduction, playback equalizer amplifier and music sensor into a single chip. Features • Few external parts • Forward/Reverse head switching • Small package (40-pin QFP) • Dolby B/C type noise .

Features

• Few external parts
• Forward/Reverse head switching
• Small package (40-pin QFP)
• Dolby B/C type noise reduction and playback equalizer into a single chip
• Same pin configuration as Dolby B type noise reduction system (CXA1910Q)
• Music sense level can be set by external resistors/capacitors (2 modes).
• High-band cut filter frequency can be adjusted by the external capacitance. Applications
• Car stereo cassette decks
• Cassette decks (playback only) Structure Bipolar silicon monolithic IC 40 pin QFP (Plastic) Absolute Maximum Ratings (Ta=25°C)
• Supply voltage VCC 12 V
• Operating tempe.