參數(shù)資料
型號: TDA7439
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDIP30
封裝: 0.400 INCH, SDIP-30
文件頁數(shù): 21/23頁
文件大?。?/td> 296K
代理商: TDA7439
TDA7439
Electrical specifications
7/23
Figure 3.
Test circuit
0/30dB
2dB STEP
MUXOUTL
INL
VOLUME
TREBLE
TREBLE(L)
MIDDLE
MUXOUTR
INR
TREBLE(R)
BOUT(L)
MIN(L)
SPKR ATT
LEFT
LOUT
SCL
SDA
DIGGND
ROUT
D95AU339B
I
2CBUS DECODER + LATCHES
5.6nF
2.2
F
100K
G
L-IN1
L-IN2
L-IN3
L-IN4
0.47
F
0.47
F
0.47
F
0.47
F
100K
R-IN1
R-IN2
R-IN3
R-IN4
0.47
F
0.47
F
0.47
F
0.47
F
G
INPUT MULTIPLEXER
+ GAIN
MOUT(L)
BASS
BIN(L)
18nF
22nF
100nF
2.7K
5.6K
BASS
SPKR ATT
RIGHT
MIN(R)
MOUT(R)
BOUT(R)
BIN(R)
5.6nF
18nF
22nF
100nF
2.7K
5.6K
SUPPLY
10
F
CREF
AGND
VS
RM
RB
RM
RB
6
11
12
13
14
10
9
8
7
30
1
29
5
3
4
17
18
28
19
20
21
22
2
15
16
27
26
25
23
24
VREF
2.2
F
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