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PDF TDA7317 Data sheet ( Hoja de datos )
| Número de pieza | TDA7317 | |
| Descripción | FIVE BANDS DIGITAL CONTROLLED GRAPHIC EQUALIZER | |
| Fabricantes | ST Microelectronics | |
| Logotipo |  |
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Hay una vista previa y un enlace de descarga de TDA7317 (archivo pdf) en la parte inferior de esta página. Total 12 Páginas | ||
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® TDA7317
FIVE BANDS DIGITAL CONTROLLED GRAPHIC EQUALIZER
VOLUME CONTROL IN 0.375dB STEP
FIVE 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
DESCRIPTION
The TDA7317 is a monolithic, digitally controlled
graphic equalizer realized in BiCMOS mixed technol-
ogy. The stereo signal, before any filtering, can be at-
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 distor-
tion.
BLOCK DIAGRAM
November 1999
1/12
1 page  
Figure 2: Application Circuit
TDA7317
The five bands graphic equalizer is used in con-
junction with a TDA7318 (or another audioproces-
sor of the SGS-THOMSON 731X family).
The audioprocessor bass and treble tone can fur-
nish two extra filter bands.
Application requiring higher number of external
equalizer bands could be implemented by cas-
cading 2 or more TDA7317 devices. In fact the
dedicated ADDR pin allows 2 addresses selec-
tion. Anyway, the address of the graphic equalizer
is different from the audioprocessor one.
For example 11 bands are implemented by use of
2 TDA7317 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.
5/12
5 Page 
DIM.
mm
inch
MIN. TYP. MAX. MIN. TYP. MAX.
A 5.08 0.20
A1 0.51
0.020
A2 3.05 3.81 4.57 0.12 0.15 0.18
B 0.36 0.46 0.56 0.014 0.018 0.022
B1 0.76 0.99 1.40 0.030 0.039 0.055
C 0.20 0.25 0.36 0.008 0.01 0.014
D 27.43 27.94 28.45 1.08 1.10 1.12
E 10.16 10.41 11.05 0.400 0.410 0.435
E1 8.38 8.64 9.40 0.330 0.340 0.370
e 1.778
0.070
e1 10.16
0.400
L 2.54 3.30 3.81 0.10 0.13 0.15
M 0°(min.), 15°(max.)
S 0.31
0.012
TDA7317
OUTLINE AND
MECHANICAL DATA
SDIP30 (0.400”)
11/12
11 Page | ||
| Páginas | Total 12 Páginas | |
| PDF Descargar | [ Datasheet TDA7317.PDF ] | |
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