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STMicroelectronics Electronic Components Datasheet

TDA7433 Datasheet

BASIC FUNCTION AUDIO PROCESSOR

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® TDA7433
BASIC FUNCTION AUDIO PROCESSOR
TWO STEREO AND ONE MONO INPUTS
CONTROLLED
MUTE FUNCTION (SOFTWARE AND HARD-
WARE)
VOLUME CONTROL IN 1dB STEP
FOUR SPEAKER ATTENUATORS:
– Independentattenuation control
– Independentmute function
ALL FUNCTIONS PROGRAMMABLE VIA
I2CBUS
DESCRIPTION
The TDA7433 is a volume, tone (bass and treble)
balance (Left/Right) processor for quality audio
applications in car radio and Hi-Fi systems.
Control is accomplished by serial bus microproc-
essor interface.
The AC signal setting is obtained by resistor net-
works and switches combined with operational
amplifiers.
BLOCK DIAGRAM
SO20
ORDERING NUMBER: TDA7433D
Thanks to the advanced BIPOLAR/CMOS Tech-
nology, the external components have been re-
duced.
IN1_L
IN2_L
6
3
MUX
VOL
4.7K
100nF
100nF
2.7nF
BINL
10
BOUTL
9
TRL
11
SPKR
ATT
16
LEFT FRONT
BASS
TREBLE
SPKR 14
ATT LEFT REAR
4
MONO IN/MUTE
S BUS DECODER + LATCHES
18
SCL
19
SDA
IN2_R
IN1_R
VS
2
5
17
MUX
SUPPLY
20
GND
VOL
1
CREF
BASS
TREBLE
SPKR
ATT
15
RIGHT FRONT
SPKR
ATT
13
RIGHT REAR
8
BINR
100nF
7
BOUTR
100nF
4.7K
12
TRR
2.7nF
D95AU354A
November 1999
1/10


STMicroelectronics Electronic Components Datasheet

TDA7433 Datasheet

BASIC FUNCTION AUDIO PROCESSOR

No Preview Available !

TDA7433
ABSOLUTE MAXIMUM RATINGS
Symbol
VS
Tamb
Tstg
Parameter
Operating Supply Voltage
Operating Temperature Range
Storage Temperature Range
QUICK REFERENCE DATA
Symbol
VS
VCL
THD
S/N
Sc
Parameter
Supply Voltage
Max. Input Signal Handling
Total Harmonic Distortion (V = 1Vrms f = 1kHZ)
Signal to Noise Ratio
Channel Separation f = 1kHz
Volume Control 1dB step
Bass Control 2dB step
Treble Control 2dB step
Speaker Attenuators
Mute Attenuation
PIN CONNECTION (Top View)
Value
10.2
-40 to 85
-55 to +150
Unit
V
°C
°C
Min.
7
1.3
-79
-18
-14
-37.5
Typ.
9
1.6
0.05
102
100
100
Max.
10.2
+32
+18
+14
0
Unit
V
Vrms
%
dB
dB
dB
dB
dB
dB
dB
CREF
IN2_R
IN2_L
MONO IN/MUTE
IN1_R
IN1_L
BOUT_R
BIN_R
BOUT_L
BIN_L
1 20
2 19
3 18
4 17
5 16
6 15
7 14
8 13
9 12
10 11
D95AU355A
GND
SDA
SCL
VS
OUT_LF
OUT_RF
OUT_LR
OUT_RR
TRR
TRL
THERMAL DATA
Symbol
Rth j-pins
Parameter
Thermal Resistance Junction-pins
2/10
Max.
Value
150
Unit
°C/W


Part Number TDA7433
Description BASIC FUNCTION AUDIO PROCESSOR
Maker ST Microelectronics
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TDA7433 Datasheet PDF





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