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TDA7468 数据表(PDF) 4 Page - STMicroelectronics

部件名 TDA7468
功能描述  TWO BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR WITH BASS ALC SURROUND
PDF  23 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7468 数据表(HTML) 4 Page - STMicroelectronics

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TDA7468
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ELECTRICAL CHARACTERISTICS
(refer to the test circuit Tamb = 25°C, VS = 9V, f = 1KHz all controls flat (G = 0dB), unless otherwise
specified)
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SUPPLY
VS
Supply Voltage
5
9
10
V
IS
Supply Current
9
mA
SVR
Ripple Rejection
60
90
dB
INPUT STAGE
RIN
Input Resistance
35
50
65
K
Ω
VCL
Clipping Level
THD = 0.3%
2
2.5
Vrms
SIN
Input Separation
80
100
dB
Ginmin
Minimum Input Gain
-1
0
1
dB
Ginmax
Maximum Input Gain
14
dB
Gstep
Step Resolution
2
dB
MIC
RIN
Input Resistance
35
50
65
K
Ω
Gmic1
Mic Input Gain 1
14
dB
Gmic2
Mic Input Gain 2
10
dB
Gmic3
Mic Input Gain 3
6
dB
Gmin4
Mic Input Gain 4
0
dB
MIXmic
Mixing Rate
50
%
SURROUND
Rin
Input Resistance
35
50
65
K
Ω
Ginmin
Minimum Input Gain
-1
0
1
dB
Ginmax
Maximum Input Gain
12
dB
GinV
Inverting Gain
-1
Mixmin
Minimum Mixing Rate
0
%
Mixmax
Maximum Mixing Rate
100
%
Crosstal
k
Crosstalk of Mux Output to 100%
IS
40
dB
Gbuffer
Buffer Gain
6dB
VOLUME CONTROL
CRANGE1 Vol 1 Control Range
63
dB
AVMAX1
Vol 1 Max. Attenuation
61
63
65
dB
ASTEP1
Vol 1 Step Resolution
0.5
1
1.5
dB
Match1
Matching
TBD
dB
CRANGE2 Vol 2 Control Range
24
dB
AVMAX2
Vol 2 Max. Attenuation
22
24
26
dB
ASTEP2
Vol 2 Step Resolution
7
8
9
dB
Match2
Matching
TBD
dB
AVMAX1+
AVMAX2
Vol 1 + Vol 2 Max Attenuation
84
dB



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