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TDA7418TR Datasheet(PDF) 1 Page - STMicroelectronics |
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TDA7418TR Datasheet(HTML) 1 Page - STMicroelectronics |
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1 / 29 page  February 2007 Rev 1 1/29 1 TDA7418 3 Band car audio procesor 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) 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.. SO20 Table 1. Device summary Part number Temp range, °CPackage Packing TDA7418 -40 to +85 SO20 Tube TDA7418TR -40 to +85 SO20 Tape and reel www.st.com |
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