TDA7449 STMicroelectronics, TDA7449 Datasheet - Page 4

• 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

TDA7449
Table 5. Electrical Characteristcs (continued)
Note: 1. The device is functionally good at Vs = 5V. a step down, on Vs, to 4V does’t reset the device.
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SPEAKER ATTENUATORS
AUDIO OUTPUTS
GENERAL
BUS INPUT
C
S
2. BASS and TREBLE response: The center frequency and the response quality can be chosen by the external circuitry.
A
V
RANGE
V
V
E
S/N
V
STEP
R
V
E
S
V
R
mute
CLIP
I
E
d
NO
IN
DC
DC
IH
IL
O
A
O
C
L
t
Control Range
Step Resolution
Attenuation Set Error
DC Step
Mute Attenuation
Clipping Level
Output Load Resistance
Output Impedance
DC Voltage Level
Output Noise
Total Tracking Error
Signal to Noise Ratio
Channel Separation Left/Right
Distortion
Input Low Voltage
Input High Voltage
Input Current
Output Voltage SDA
Acknowledge
A
A
adjacent attenuation steps
d = 0.3%
All gains = 0dB;
BW = 20Hz to 20KHz flat
A
A
All gains 0dB; V
A
V
I
O
V
V
V
V
V
IN
= 1.6mA
= 0 to -20dB
= -20 to -56dB
= 0 to -24dB
= -24 to -47dB
= 0; V
= 0.4V
I
= 1V
RMS
O
= 1V
;
RMS
;
-1.5
0.5
2.1
80
10
80
-2
-5
2
3
0.01
100
106
100
2.6
3.8
0.4
76
40
1
0
0
0
5
0
0
0.08
1.5
1.5
0.8
70
15
2
3
1
2
1
5
V
mV
K
dB
dB
dB
dB
dB
dB
dB
dB
dB
RMS
W
%
V
V
V
V
V
A