TEA0679 Overview
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.
TEA0679 Key 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 patible
- Dolby reference level = 387.5 mV