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PDF TDA7316 Data sheet ( Hoja de datos )
| Número de pieza | TDA7316 | |
| Descripción | FOUR BANDSDIGITAL CONTROLLED GRAPHIC EQUALIZER | |
| Fabricantes | ST Microelectronics | |
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® TDA7316
FOUR BANDS DIGITAL CONTROLLED GRAPHIC EQUALIZER
VOLUME CONTROL IN 0.375dB STEP
FOUR BANDS STEREO GRAPHIC EQUAL-
IZER
CENTER FREQUENCY, BANDWIDTH, MAX
BOOST/CUT DEFINED BY EXTERNAL COM-
PONENTS
±14dB CUT/BOOST CONTROL IN 2dB/STEP
ALL FUNCTIONS PROGRAMMABLE VIA SE-
RIAL BUS
VERY LOW DISTORTION
VERY LOW NOISE AND DC STEPPING BY
USE OF A MIXED BIPOLAR/CMOS TECH-
NOLOGY
SO28
ORDERING NUMBER: TDA7316
DESCRIPTION
The TDA7316 is a monolithic, digitally controlled
graphic equalizer realized in BiCMOS mixed technol-
ogy. The stereo signal, before any filtering, can be at-
BLOCK DIAGRAM
tenuated down 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 distor-
tion.
November 1999
1/10
1 page  
Figure 2: Application Circuit
TDA7316
A five bands graphic equalizer is implemented us-
ing the 4 bands of the TDA7316 plus a fifth band
obtained from the bass control circuit of the
TDA7318 (or another audioprocessor of the SGS-
THOMSON 731X family). 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 by using
of 2 TDA7316 plus an audioprocessor (TDA731X
family).
In case one filtering cell is not needed, a short cir-
cuit must be provided between the P1xy and
P2xy pins.
5/10
5 Page | ||
| Páginas | Total 10 Páginas | |
| PDF Descargar | [ Datasheet TDA7316.PDF ] | |
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