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TDA7466 Datasheet

DIGITALLY CONTROLLED AUDIO PROCESSOR

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TDA7466
DIGITALLY CONTROLLED AUDIO PROCESSOR WITH
SRS SURROUND SOUND AND VOICE CANCELLER
The Device incorporates the SRS
(Sound Retrieval System) under
licence from SRS Labs, Inc.
1 STEREO INPUT
INPUT ATTENUATION CONTROL IN 0.5dB
STEP
TREBLE MIDDLE AND BASS CONTROL
VOICE CANCELLER IS AVAILABLE
STEREO SRS SURROUND SOUND WITH
CENTER & SPACE CONTROL IS AVAILABLE
THREE STANDARD SURROUND MODES
ARE AVAILABLE:
- MUSIC IN 4 DIFFERENT SELECTABLE
RESPONSES
- MOVIE AND SIMULATED IN 256
DIFFERENT SELECTABLE RESPONSES
2 SPEAKERS OUTPUTS
- INDEPENDENT ATTENUATORS IN 1dB
STEP FOR BALANCE FACILITY
- ZERO CROSSING ATTENUATION AVAILABLE
- AVAILABILITY OF LOUDSPEAKERS
EQUALIZATION FIXED BY EXTERNAL
COMPONENTS
- INDEPENDENT MUTE FUNCTION
2 RECORD OUTPUTS
- INDEPENDENT ATTENUATORS IN 1dB
STEP FOR BALANCE FACILITY
- MUX AVAILABLE FOR PROCESSES SIGNAL
SELECTION
- INDEPENDENT MUTE FUNCTION
ALL FUNCTIONS PROGRAMMABLE VIA SE-
RIAL BUS
DESCRIPTION
The TDA7466 is a volume tone (bass middle and
treble) balance (Left/Right) processors with stereo
SRS and voice canceller for quality audio applica-
tions in car radio, Hi-Fi, TV systems.
It reproduces SRS (Sound Retrieval System)
sound by external components and surround
sound by using phase shifters and a signal ma-
trix. The AC signal setting is obtained by resistor
networks and switches combined with operational
amplifiers according to the SRS laboratories
specification. Control of all the functions is ac-
May 1997
SDIP42
ORDERING NUMBER: TDA7466
PIN CONNECTION
VS
PS4
PS3
PS2
PS1
LP
LP1
HP1
HP2
VAR_L
BASSO_L
VAR_R
BASSO_R
BASS_LO
BASS_LI
BASS_RO
BASS_RI
MIDDLE_LO
MIDDLE_LI
MIDDLE_RO
MIDDLE_RI
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
D96AU445A
42 CREF
41 NBRO
40 NBRIN
39 LPVC
38 R_IN
37 VREFOUT
36 L_IN
35 NBLIN
34 NBLO
33 NETW2
32 NETW1
31 RECOUT_L
30 RECOUT_R
29 L_OUT
28 R_OUT
27 DIG_GND
26 SCL
25 SDA
24 AGND
23 TREBLE_L
22 TREBLE_R
complished by serial bus.
Thanks to the used BIPOLAR/CMOS Technology,
Low Distortion, Low Noise and DC stepping are
obtained.
1/21


STMicroelectronics Electronic Components Datasheet

TDA7466 Datasheet

DIGITALLY CONTROLLED AUDIO PROCESSOR

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TDA7466
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Part Number TDA7466
Description DIGITALLY CONTROLLED AUDIO PROCESSOR
Maker ST Microelectronics
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TDA7466 Datasheet PDF





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