|
|
Numéro de référence | TDA7440 | ||
Description | TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR | ||
Fabricant | ST Microelectronics | ||
Logo | |||
1 Page
® TDA7440D
TONE CONTROL
DIGITALLY CONTROLLED AUDIO PROCESSOR
INPUT MULTIPLEXER
- 4 STEREO INPUTS
- SELECTABLE INPUT GAIN FOR OPTIMAL
ADAPTATION TO DIFFERENT SOURCES
ONE STEREO OUTPUT
TREBLE AND BASS CONTROL IN 2.0dB
STEPS
VOLUME CONTROL IN 1.0dB STEPS
TWO SPEAKER ATTENUATORS:
- TWO INDEPENDENT SPEAKER CONTROL
IN 1.0dB STEPS FOR BALANCE FACILITY
- INDEPENDENT MUTE FUNCTION
ALL FUNCTION ARE PROGRAMMABLE VIA
SERIAL BUS
DESCRIPTION
The TDA7440D is a volume tone (bass and
treble) balance (Left/Right) processor for quality
audio applications in Hi-Fi systems.
BLOCK DIAGRAM
SO28
ORDERING NUMBER: TDA7440D
Selectable input gain is provided. Control of all
the functions is accomplished by serial bus.
The AC signal setting is obtained by resistor net-
works and switches combined with operational
amplifiers.
Thanks to the used BIPOLAR/CMOS Technology,
Low Distortion, Low Noise and DC stepping are
obtained
4
L-IN1
5
L-IN2
6
L-IN3
7
L-IN4
100K
100K
100K
100K
3
R-IN1
2
R-IN2
1
R-IN3
28
R-IN4
100K
100K
100K
100K
MUXOUTL INL
89
TREBLE(L) BIN(L)
18 14
BOUT(L)
15
RB
G
VOLUME
TREBLE
BASS
SPKR ATT
LEFT
27
LOUT
0/30dB
2dB STEP
I2CBUS DECODER + LATCHES
21
SCL
22
SDA
20
DIG_GND
G
VOLUME
TREBLE
BASS
SPKR ATT
RIGHT
26
ROUT
VREF
INPUT MULTIPLEXER
+ GAIN
10 11
MUXOUTR INR
24
SUPPLY
25 VS
RB AGND
19 12
TREBLE(R) BIN(R)
13
BOUT(R)
23
CREF
D98AU883
April 1999
1/16
|
|||
Pages | Pages 16 | ||
Télécharger | [ TDA7440 ] |
No | Description détaillée | Fabricant |
TDA7440 | TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR | ST Microelectronics |
TDA7440D | TONE CONTROL DIGITALLY CONTROLLED AUDIO PROCESSOR | ST Microelectronics |
TDA7442 | TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESSOR | ST Microelectronics |
TDA7442D | TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESSOR | ST Microelectronics |
US18650VTC5A | Lithium-Ion Battery | Sony |
TSPC106 | PCI Bus Bridge Memory Controller | ATMEL |
TP9380 | NPN SILICON RF POWER TRANSISTOR | Advanced Semiconductor |
www.DataSheetWiki.com | 2020 | Contactez-nous | Recherche |