TDA7402 View Datasheet(PDF) - STMicroelectronics
Part Name
Description
MFG CO.
'TDA7402' PDF : 69 Pages View PDF
TDA7402
3
Audioprocessor part
Audioprocessor part
3.1
Audioprocessor part features
● Input multiplexer
– 2 fully differential CD stereo inputs with programmable attenuation
– 1 single ended stereo input
– 2 differential mono input
– 1 single ended mono input
– In-gain 0..15dB, 1dB steps
– internal offset cancellation (AutoZero)
t(s) – separate second source selector
● Beep
uc – internal beep with 4 frequencies
d ● Mixing stage
ro – Beep, phone and navigation mixable to all speaker outputs
P ● Loudness
te – programmable center frequency and frequency response
le – 15 x 1dB steps
so – selectable flat-mode (constant attenuation)
b ● Volume
- O – 0.5dB attenuator
) – 100dB range
t(s – soft-step control with programmable times
c ● Compander
du – dynamic range compression for use with CD
ro – 2:1 compression rate
P– programmable max. gain
te● Bass
le – 2nd order frequency response
so – center frequency programmable in 8 steps
Ob – DC gain programmable
– + 15 x 1dB steps
● Treble
– 2nd order frequency response
– center frequency programmable in 4 steps
– +15 x 1dB steps
● Voice bandpass
– 2nd order butterworth highpass filter with programmable cut off frequency
– 2nd order butterworth lowpass filter with programmable cut off frequency
– selectable flat mode
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