TDA7439D 查看數據表（PDF） - STMicroelectronics
零件编号
产品描述 (功能)
比赛名单
TDA7439D Datasheet PDF : 19 Pages
| |||
TDA7439
BLOCK DIAGRAM (TDA7439B/TDA7439D)
4
L-IN1
100K
MUXOUTL
8
5
L-IN2
100K
6
L-IN3
100K
G
VOLUME
7
L-IN4
100K
3
R-IN1
100K
0/30dB
2dB STEP
2
R-IN2
1
R-IN3
100K
100K
G
VOLUME
28
R-IN4
100K
INPUT MULTIPLEXER
+ GAIN
9
MUXOUTR
TREBLE(L) MIN(L) MOUT(L) BIN(L) BOUT(L)
18
17
16 14
15
RM
RB
TREBLE
MIDDLE
BASS
SPKR ATT
LEFT
I2CBUS DECODER + LATCHES
TREBLE
MIDDLE
BASS
SPKR ATT
RIGHT
VREF
SUPPLY
RM
RB
19
10
11 12
13
23
TREBLE(R) MIN(R) MOUT(R) BIN(R) BOUT(R) CREF
27
LOUT
21
SCL
22
SDA
20
DIG_GND
26
ROUT
24
25 VS
AGND
D97AU621
PIN CONNECTION (SDIP30)
SDA
CREF
VS
AGND
ROUT
LOUT
R-IN4
R-IN3
R-IN2
R-IN1
L-IN1
L-IN2
L-IN3
L-IN4
MUXOUTL
1
30
2
29
3
28
4
27
5
26
6
25
7
24
8
23
9
22
10
21
11
20
12
19
13
18
14
17
15
16
D95AU340A
SCL
DIG_GND
TREBLE(R)
TREBLE(L)
MIN(L)
MOUT(L)
BOUT(L)
BIN(L)
BOUT(R)
BIN(R)
MOUT(R)
MIN(R)
INR
MUXOUTR
INL
2/19
®
Share Link: 