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TDA7418 Datasheet, PDF (1/29 Pages) STMicroelectronics – 3 Band car audio procesor | |||
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TDA7418
3 Band car audio procesor
Features
â Input Multiplexer
â PD/SE4: pseudo differential stereo input,
programmable as single-ended input
â SE1: stereo single-end input
â SE2: stereo single-end input
â SE3: stereo single-end input
â input gain adjust from 0 to 15dB with 1dB
steps
â internal offset-cancellation (AutoZero)
â Loudness
â Second order frequency response
â programmable center frequency
(400Hz/800Hz/2400Hz)
â 15dB with 1dB steps
â selectable low & high frequency boost
â selectable flat-mode (constant attenuation)
â Volume
â +15dB to -79dB with 1dB step resolution
â soft-step control with programmable blend
times
â Bass
â second order frequency response
â center frequency programmable in 4 steps
(60Hz/80Hz/100Hz/200Hz)
â Q programmable 1.0/1.25/1.5/2.0
â DC gain programmable
â -15 to 15dB range with 1dB resolution
â Middle
â second order frequency response
â center frequency programmable in 4 steps
(500Hz/1KHz/1.5KHz/2.5KHz)
Table 1. Device summary
Part number
Temp range, °C
TDA7418
TDA7418TR
-40 to +85
-40 to +85
SO20
â Q programmable 0.5/0.75/1.0/1.25
â -15 to 15dB range with 1dB resolution
â Treble
â second order frequency response
â center frequency programmable in 4 steps
(10KHz/12.5KHz/15KHz/17.5KHz)
â -15 to 15dB range with 1dB resolution
â Speaker
â 4 independent soft step speaker controls,
+15dB to -79dB with 1dB steps direct mute
â Subwoofer
â single-ended mono output
â independent soft step level control, +15dB
to -79dB with 1dB steps
â Mute Functions
â direct mute
â digitally controlled SoftMute with 3
programmable mute-
times(0.48ms/0.96ms/123ms)
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..
Package
SO20
SO20
Packing
Tube
Tape and reel
February 2007
Rev 1
1/29
www.st.com
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