TDA7461
Electrical specification
2.5
2.5.1
2.5.2
2.5.3
2.5.4
2.5.5
2.5.6
Audio processor part feature
Input multiplexer
● Fully differential or quasi-differential CD and cassette stereo input
● AM mono or stereo input
● Phone differential or single ended input
● Internal beep with 2 frequencies (selectable)
● Mixable phone and beep signals
● Loudness
● Second order frequency response
● Programmable center frequency and quality factor
● 15 x 1 dB steps
● Selectable flat-mode (constant attenuation)
Volume control
● 1 dB attenuator
● Max. gain 20 dB
● Max. attenuation 79 dB
● Soft-step gain control
Bass control
● 2nd order frequency response
● Center frequency programmable in 4 (5) steps
● DC gain programmable
● 7 x 2 dB steps
Treble control
● 2nd order frequency response
● Center frequency programmable in 4 steps
● 7 x 2 dB steps
Speaker control
4 independent speaker controls (1 dB steps control range 50 dB)
Mute function
● Direct mute
● Digitally controlled softmute with 4 programmable time constants
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