TDA7439DS_07 Datasheet, PDF (3/23 Pages) STMicroelectronics – Three-band digitally-controlled audio processor

TDA7439DS
1
Block diagram and pin out
Block diagram and pin out
Figure 1. Block diagram
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
8
TREBLE(L) MIN(L) MOUT(L) BIN(L) BOUT(L)
18
17
16 14
15
R_M
R_B
G
VOLUME
TREBLE
MIDDLE
BASS
SPKR ATT
LEFT
27
LOUT
0/30dB
2dB STEP
I²CBUS DECODER + LATCHES
21
SCL
22
SDA
20
DIG_GND
G
VOLUME
TREBLE
MIDDLE
BASS
SPKR ATT
RIGHT
V_REF
INPUT MULTIPLEXER
+ GAIN
9
MUXOUTR
SUPPLY
R_M
R_B
19
10
11 12
13
23
TREBLE(R) MIN(R) MOUT(R) BIN(R) BOUT(R) CREF
26
ROUT
24
25 ^VS
AGND
D97AU621
Figure 2. Pin connections
R_IN3
R_IN2
R_IN1
L_IN1
L_IN2
L_IN3
L_IN4
MUXOUTL
MUXOUTR
MIN(R)
MOUT(R)
BIN(R)
BOUT(R)
BIN(L)
1
28
2
27
3
26
4
25
5
24
6
23
7
22
8
21
9
20
10
19
11
18
12
17
13
16
14
15
D97AU622
R_IN4
LOUT
ROUT
AGND
V_S
CREF
SDA
SCL
DIG-GND
TREBLE(R)
TREBLE(L)
MIN(L)
MOUT(L)
BOUT(L)
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