TDA7449L STMicroelectronics, TDA7449L Datasheet - Page 3

• Manufacturer Part Number: TDA7449L
• Description: IC PROCESSOR AUDIO DGTL 20-PDIP
• Manufacturer: STMicroelectronics
• Type: Audio Processorr

Specifications of TDA7449L

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

Table 5. Electrical Characteristcs (refer to the test circuit T
all controls flat (G = 0dB), unless otherwise specified)
Symbol
SUPPLY
INPUT STAGE
VOLUME CONTROL
SPEAKER ATTENUATORS
C
C
G
A
G
A
S
A
A
G
SVR
RANGE
RANGE
V
V
V
R
VMAX
S
inman
STEP
STEP
V
E
E
E
inmin
mute
mute
I
step
DC
DC
S
CL
IN
IN
S
A
T
A
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
Attenuation Set Error
DC Step
Mute Attenuation
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
A
A
adjacent attenuation steps
V
V
V
V
V
V
= 0 to -24dB
= -24 to -47dB
= 0 to -24dB
= -24 to -47dB
= 0 to -20dB
= -20 to -56dB
V
max
amb
= 25°C, V
S
Min.
-1.0
-1.5
-1.5
= 9V, R
0.5
0.5
60
80
45
45
80
80
-1
-2
6
2
Typ.
L
100
100
100
100
2.5
0.5
90
30
47
47
76
= 10K , R
9
7
0
2
1
0
0
0
0
0
1
0
0
0
Max.
10.2
1.5
1.0
1.5
1.5
1.5
49
49
TDA7449L
1
1
2
3
2
3
G
= 600 ,
Unit
Vrms
mA
mV
mV
mV
K
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
V
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