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TDA7449L датащи(PDF) 3 Page - STMicroelectronics

номер детали TDA7449L
подробное описание детали  LOW COST DIGITALLY CONTROLLED AUDIO PROCESSOR
Download  13 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7449L датащи(HTML) 3 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (refer to the test circuit Tamb =25
°C, VS = 9V, RL= 10KΩ,
RG = 600
Ω, all controls flat (G = 0dB), unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SUPPLY
VS
Supply Voltage
6
9
10.2
V
IS
Supply Current
7
mA
SVR
Ripple Rejection
60
90
dB
INPUT STAGE
RIN
Input Resistance
100
K
VCL
Clipping Level
THD = 0.3%
2
2.5
Vrms
SIN
Input Separation
The selected input is grounded
through a 2.2
µ capacitor
80
100
dB
Ginmin
Minimum Input Gain
-1
0
1
dB
Ginman
Maximum Input Gain
30
dB
Gstep
Step Resolution
2
dB
VOLUME CONTROL
CRANGE
Control Range
45
47
49
dB
AVMAX
Max. Attenuation
45
47
49
dB
ASTEP
Step Resolution
0.5
1
1.5
dB
EA
Attenuation Set Error
AV = 0 to -24dB
-1.0
0
1.0
dB
AV = -24 to -47dB
-1.5
0
1.5
dB
ET
Tracking Error
AV = 0 to -24dB
0
1
dB
AV = -24 to -47dB
0
2
dB
VDC
DC Step
adjacent attenuation steps
from 0dB to AV max
0
0.5
3mV
mV
Amute
Mute Attenuation
80
100
dB
SPEAKER ATTENUATORS
CRANGE
Control Range
76
dB
SSTEP
Step Resolution
0.5
1
1.5
dB
EA
Attenuation Set Error
AV = 0 to -20dB
-1.5
0
1.5
dB
AV = -20 to -56dB
-2
0
2
dB
VDC
DC Step
adjacent attenuation steps
0
3
mV
Amute
Mute Attenuation
80
100
dB
AUDIO OUTPUTS
VCLIP
Clipping Level
d = 0.3%
2.1
2.6
VRMS
RL
Output Load Resistance
2
K
RO
Output Impedance
10
40
70
VDC
DC Voltage Level
3.8
V
GENERAL
ENO
Output Noise
All gains = 0dB;
BW = 20Hz to 20KHz flat
515
µV
Et
Total Tracking Error
AV = 0 to -24dB
0
1
dB
AV = -24 to -47dB
0
2
dB
S/N
Signal to Noise Ratio
All gains 0dB; VO =1VRMS ;
106
dB
SC
Channel Separation Left/Right
80
100
dB
d
Distortion
AV =0;VI =1VRMS ;
0.01
0.08
%
BUS
IN-
PUT
TDA7449L
3/13


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