●Description
●The TDA7418 includes a high performance audio procesor with fully integrated 3-Band filters to processs signals at audible frequencies. The digital control allows a full programming of the audioprocessor and filters characteristics..
●Features
●■ Input Multiplexer
● – PD/SE4: pseudo differential stereo input, programmable as single-ended input
● – SE1: stereo single-end input
● – SE2: stereo single-end input
● – SE3: stereo single-end input
● – input gain adjust from 0 to 15dB with 1dB steps
● – internal offset-cancellation (AutoZero)
●■ Loudness
● – Second order frequency response
● – programmable center frequency(400Hz/800Hz/2400Hz)
● – 15dB with 1dB steps
● – selectable low & high frequency boost
● – selectable flat-mode (constant attenuation)
●■ Volume
● – +15dB to -79dB with 1dB step resolution
● – soft-step control with programmable blend times
●■ Bass
● – second order frequency response
● – center frequency programmable in 4 steps (60Hz/80Hz/100Hz/200Hz)
● – Q programmable 1.0/1.25/1.5/2.0
● – DC gain programmable
● – -15 to 15dB range with 1dB resolution
●■ Middle
● – second order frequency response
● – center frequency programmable in 4 steps (500Hz/1KHz/1.5KHz/2.5KHz)
● – Q programmable 0.5/0.75/1.0/1.25
● – -15 to 15dB range with 1dB resolution
●■ Treble
● – second order frequency response
● – center frequency programmable in 4 steps (10KHz/12.5KHz/15KHz/17.5KHz)
● – -15 to 15dB range with 1dB resolution
●■ Speaker
● – 4 independent soft step speaker controls, +15dB to -79dB with 1dB steps direct mute
●■ Subwoofer
● – single-ended mono output
● – independent soft step level control, +15dB to -79dB with 1dB steps
●■ Mute Functions
● – direct mute
● – digitally controlled SoftMute with 3 programmable mute times(0.48ms/0.96ms/123ms)
