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參數(shù)資料
| 型號： | TDA7433D |
| 廠商： | STMICROELECTRONICS |
| 元件分類： | 音頻控制 |
| 英文描述： | TONE CONTROL CIRCUIT, PDSO20 |
| 封裝： | SO-20 |
| 文件頁數(shù)： | 1/10頁 |
| 文件大?。?/td> | 65K |
| 代理商： | TDA7433D |
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
I
2CBUS
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.
Thanks to the advanced BIPOLAR/CMOS Tech-
nology, the external components have been re-
duced.
November 1999
IN1_L
SUPPLY
VS
GND
VOL
BASS
TREBLE
D95AU354A
S BUS DECODER + LATCHES
SPKR
ATT
SPKR
ATT
VOL
BASS
TREBLE
SPKR
ATT
SPKR
ATT
SCL
SDA
RIGHT FRONT
RIGHT REAR
LEFT REAR
LEFT FRONT
IN1_R
MUX
MONO IN/MUTE
IN2_L
IN2_R
10
9
11
6
3
4
2
5
17
18
7
12
16
14
18
19
15
13
20
BINL
BOUTL
TRL
BINR
BOUTR
TRR
CREF
100nF
4.7K
2.7nF
100nF
2.7nF
4.7K
BLOCK DIAGRAM
SO20
ORDERING NUMBER: TDA7433D
1/10
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