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TDA7316 FOUR BANDSDIGITAL CONTROLLED GRAPHIC EQUALIZER

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Description

® TDA7316 FOUR BANDS DIGITAL CONTROLLED GRAPHIC EQUALIZER VOLUME CONTROL IN 0.375dB STEP FOUR BANDS STEREO GRAPHIC EQUALIZER CENTER FREQUENCY, BANDW.
The TDA7316 is a monolithic, digitally controlled graphic equalizer realized in BiCMOS mixed technology.

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Features

* of each band pass filter are reported: fo = center frequency Gv = gain/loss at the center frequency fo Gv = 20log(Av) Q= fo f2
* f1 where f2, f1 = 3dB Bandwidth limits. Av = (R2 ⋅ C2 ) + (R2 ⋅ C1 ) + (R1 ⋅ C1 ) (R2 ⋅ C1 ) + (R2 ⋅ C2 ) Q= fo = √  (R1 ⋅ C1 ⋅ R2 ⋅ C2 ) (R2 ⋅C

Applications

* requiring higher number of external equalizer bands could be implemented by cascading 2 or more TDA7316 devices. In fact the dedicated ADDR pin allows 2 addresses selection. Anyway, the ad- dress of the graphic equalizer is different from the audioprocessor one. For example, 9 bands are implemented

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TDA7316 FOUR BANDSDIGITAL CONTROLLED GRAPHIC EQUALIZER ST Microelectronics
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