TDA7317 Datasheet PDF - ST Microelectronics FIVE BANDS DIGITAL CONTROLLED GRAPHIC EQUALIZER Specs

TDA7317 - FIVE BANDS DIGITAL CONTROLLED GRAPHIC EQUALIZER

Datasheet Summary

Description

The TDA7317 is a monolithic, digitally controlled graphic equalizer realized in BiCMOS mixed technology.

tenuated up to -17.625dB in 0.375dB step.

Features

of each band pass filter are reported: fo = center frequency Gv = gain/loss at the center frequency fo Gv = 20log(Av) Fig. 1 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 ⋅C1 ) + (R2 ⋅ C2 ) 1 2π ⋅  √ (R1 ⋅ R2 ⋅ C1 ⋅ C2) If C1 is fixed, then: C2 = R2 = Q2 Av.
1.
Q2 1 2 π ⋅ C1 ⋅ fo ⋅ R1 = (Av.
1 ) ⋅ Q (Av.
1.

Datasheet Details

Part number	TDA7317
Manufacturer	STMicroelectronics
File Size	175.34 KB
Description	FIVE BANDS DIGITAL CONTROLLED GRAPHIC EQUALIZER
Datasheet	TDA7317 Datasheet
Additional preview pages of the TDA7317 datasheet.

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Full PDF Text Transcription

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® TDA7317 FIVE BANDS DIGITAL CONTROLLED GRAPHIC EQUALIZER VOLUME CONTROL IN 0.375dB STEP FIVE BANDS STEREO GRAPHIC EQUALIZER CENTER FREQUENCY, BANDWIDTH, MAX BOOST/CUT DEFINED BY EXTERNAL COMPONENTS ±14dB CUT/BOOST CONTROL IN 2dB/STEP ALL FUNCTIONS PROGRAMMABLE VIA SERIALBUS VERY LOW DISTORTION VERY LOW NOISE AND DC STEPPING BY USE OF A MIXED BIPOLAR/CMOS TECHNOLOGY DESCRIPTION The TDA7317 is a monolithic, digitally controlled graphic equalizer realized in BiCMOS mixed technology. The stereo signal, before any filtering, can be atBLOCK DIAGRAM SDIP30 ORDERING NUMBER: TDA7317 tenuated up to -17.625dB in 0.375dB step. All the functions can be programmed via serial bus making easy to build a µP controlled system. Signal path is designed for very low noise and distortion.

Published: Apr 23, 2005 |