TDA7720B Key Features
- Input multiplexer
- QD1: quasi-differential stereo input
- QD2: quasi-differential stereo input
- SE1: stereo single-ended input
- SE2: stereo single-ended input
- SE3: stereo single-ended input
- Loudness
- 2nd order frequency response
- Programmable center frequency (400 Hz / 800 Hz / 2400 Hz)
- 15 dB with 1 dB steps