3/25
TDA7409
FEATURES:
Input Multiplexer 4 single-end stereo inputs
In-Gain 0..14dB, 1dB steps, 14..20dB, 2dB steps
Auto Zero
Beep internal Beep with 3 frequencies
781Hz/1.56KHz/1.8KHz
Mixing stage 4 step-mixing-stage with mono or beep as mix-signals
Loudness second order frequenciy response
programmable center frequency
15 x 1dB steps
selectable low & high frequency boost
selectable flat-mode (constant sttenuation)
Volume 1 dB attenuator
100dB range
soft-step control with programmable times
Bass 2nd 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
+
15dB x 1dB steps
Treble 2nd order frequency response
center frequency programmable in 4 steps
10KHz/12.5KHz/15KHz/17.5KHz
+
15dB x 1dB steps
Speaker 4 independent speaker controls in 1dB steps
control range 50dB with mute
Zero crossing attenuate
Subwoofer Stereo output
attenuator range 50dB
Mute Functions direct mute
digitally controlled Soft Mute with 4 programmable mute-times
Obsolete Product(s) - Obsolete Product(s)
