TDA7449 STMicroelectronics, TDA7449 Datasheet - Page 3

• 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

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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