TDA7449 STMicroelectronics, TDA7449 Datasheet - Page 3
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TDA7449
Manufacturer Part Number
TDA7449
Description
IC AUDIOPROCESSOR DIGITAL 20DIP
Manufacturer
STMicroelectronics
Type
Audio Processorr
Datasheet
1.TDA7449.pdf
(19 pages)
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
Available stocks
Company
Part Number
Manufacturer
Quantity
Price
Company:
Part Number:
TDA7449
Manufacturer:
MAXIM
Quantity:
14 182
Part Number:
TDA7449
Manufacturer:
ST
Quantity:
20 000
Part Number:
TDA7449D13TR
Manufacturer:
ST
Quantity:
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Part Number:
TDA7449L
Manufacturer:
ST
Quantity:
20 000
Table 5. Electrical Characteristcs (refer to the test circuit T
all controls flat (G = 0dB), unless otherwise specified)
Symbol
SUPPLY
INPUT STAGE
VOLUME CONTROL
BASS CONTROL (1)
TREBLE CONTROL (1)
C
G
A
G
A
B
T
A
G
SVR
RANGE
V
V
R
S
VMAX
inman
STEP
Gb
STEP
STEP
V
E
R
E
Gt
inmin
mute
I
step
DC
S
CL
IN
IN
S
A
T
B
Parameter
Supply Voltage
Supply Current
Ripple Rejection
Input Resistance
Clipping Level
Input Separation
Minimum Input Gain
Maximum Input Gain
Step Resolution
Control Range
Max. Attenuation
Step Resolution
Attenuation Set Error
Tracking Error
DC Step
Mute Attenuation
Control Range
Step Resolution
Internal Feedback Resistance
Control Range
Step Resolution
Test Condition
THD = 0.3%
The selected input is grounded
through a 2.2 capacitor
A
A
A
A
adjacent attenuation steps
from 0dB to A
Max. Boost/cut
Max. Boost/cut
V
V
V
V
= 0 to -24dB
= -24 to -47dB
= 0 to -24dB
= -24 to -47dB
V
max
amb
= 25°C, V
S
Min.
+12.0
18.75
+13.0
-1.0
-1.5
= 9V, R
0.5
60
80
45
45
80
-1
6
2
1
1
Typ.
+14.0
+14.0
L
100
100
100
2.5
0.5
90
30
47
47
25
= 10K , R
9
7
0
2
1
0
0
0
0
0
2
2
Max.
+16.0
31.25
+15.0
10.2
1.5
1.0
1.5
49
49
1
1
2
3
3
3
TDA7449
G
= 600 ,
Unit
Vrms
mA
mV
mV
K
K
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V
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