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TDA7462 датащи(PDF) 5 Page - STMicroelectronics

номер детали TDA7462
подробное описание детали  DUAL AUDIOPROCESSOR WITH COMPANDER AND SUBWOOFER OUTPUT
PDF  25 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7462 датащи(HTML) 5 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SOFT MUTE
AMUTE
Mute Attenuation
80
100
dB
TD
Delay Time
T1
0.48
1
ms
T2
0.96
2
ms
T3
20
30.7
50
ms
T4
70
123
170
ms
VTHlow
Low Threshold for SM Pin
1
1V
VTHhigh
High Threshold for SM Pin
2.5
V
RPD
Internal Pull-up Resistor
70
100
130
K
Ω
SOFT STEP
TSW
Switch Time
TSW1
TSW2
TSW3
TSW4
TSW5
TSW6
TSW7
TSW8
0.16
0.32
0.64
1.28
2.56
5.12
10.2
20.4
ms
ms
ms
ms
ms
ms
ms
ms
BASS CONTROL
CRANGE
Control Range
±14
±15
±16
dB
ASTEP
Step Resolution
0.5
1
1.5
dB
fC
Center Frequency
fC1
54
60
66
Hz
fC2
63
70
77
Hz
fC3
72
80
88
Hz
fC4
90
100
110
Hz
QBASS
Quality Factor
Q1
0.9
1
1.1
Q2
1.11.251.4
Q3
1.3
1.5
1.7
Q4
1.8
2
2.2
DCGAIN
Bass-Dc-Gain
DC = off
-1
0
+1
dB
DC = on
4
4.4
6
dB
TREBLE CONTROL
CRANGE
Control Range
±13
±14
±15
dB
ASTEP
Step Resolution
1
2
3
dB
fC
Center Frequency
fC1
8
10
12
KHz
fC2
10
12.5
15
KHz
fC3
12
15
18
KHz
fC4
14
17.5
21
KHz
SPEAKER ATTENUATORS
CRANGE
Control Range
-53
50
-47
dB
ASTEP
Step Resolution
0.5
1
2
dB
AMUTE
Output Mute Attenuation
80
90
dB
EE
Attenuation Set Error
-2
2
dB
VDC
DC Steps
Adjacent Attenuation Steps
0.1
5
mV
1) The SM pin is active low (Mute = 0)
TDA7462
5/25



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