GENERAL DESCRIPTION
The TEA0679T is a bipolar integrated circuit that provides two channels of Dolby B noise reduction for playback applications in car radios. It includes head and equalization amplifiers with electronically switchable time constants. The device also includes electronically switchable inputs for tape drivers with reverse heads.
FEATURES
• Dual Noise Reduction (NR) channels
• Head preamplifiers
• Reverse head switching
• Automatic Music Search (AMS)
• Blank skip
• Mute position
• Equalization with electronically switched time constants
• Switch functions and level adjustment controlled via I2C-bus
• Optional switch inputs TTL compatible
• Dolby reference level = 387.5 mV
• Contained in a 32-pin small outline package
• Improved EMC behaviour.
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