TDA7449 STMicroelectronics, TDA7449 Datasheet - Page 5

• Manufacturer Part Number: TDA7449
• Description: IC AUDIOPROCESSOR DIGITAL 20DIP
• Manufacturer: STMicroelectronics
• Type: Audio Processorr

Specifications of TDA7449

• Applications: TV
• Mounting Type: Through Hole
• Package / Case: 20-DIP (0.300", 7.62mm)
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: 497-3672

Figure 4. P.C.Board (Referred to DIP20 package only)
Figure 5. Test Circuit
J3
J2
RCA
RCA
J4
J1
J5
IN1L
IN1R
CON3
CON4
CON
1
2
3
4
5
1
2
3
4
1
2
3
4
GND
IN1L
GND
IN2L
GND
IN2R
GND
IN1R
GND
MOUTL
GND
MOUTR
GND
C3 0.47 F
C4 0.47 F
C1 0.47 F
C2 0.47 F
R-IN2
R-IN1
L-IN1
L-IN2
8
9
6
7
100K
100K
100K
100K
INPUT MULTIPLEXER
+ GAIN
2dB STEP
0/30dB
MUXOUTR
MUXOUTL
G
G
J5
10
11
VOLUME
VOLUME
TREBLE(R)
TREBLE(L)
5.6nF
5.6nF
C10
C9
I
2
CBUS DECODER + LATCHES
TREBLE
TREBLE
16
17
150nF
150nF
R2 2K
BIN(L)
15
12
C7
C5
R1
BOUT(R)
BASS
BASS
R
R
B
B
2K
C8
C6
330nF
330nF
BOUT(L)
14
13
SPKR ATT
SPKR ATT
SUPPLY
RIGHT
LEFT
V
REF
1
CREF
10 F
C11
18
19
20
5
4
3
2
LOUT
DIG_GND
SCL
SDA
ROUT
AGND
V
S
D98AU849A
R3 30
+9 V
+9V
100nF
JUMPER
C13
OUT_ R
JP1
OUT_L
OUT_R
OUT_L
GND
+V8
TDA7449
22 F
C12
CON2
CON4
CON4
1
2
3
4
1
2
3
4
1
2
J8
J9
J10
J6
J7
5/19