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TDA7462 数据表(PDF) 4 Page - STMicroelectronics

部件名 TDA7462
功能描述  DUAL AUDIOPROCESSOR WITH COMPANDER AND SUBWOOFER OUTPUT
PDF  25 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TDA7462 数据表(HTML) 4 Page - STMicroelectronics

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ELECTRICAL CHARACTERISTICS (VS = 9V; Tamb = 25°C; RL = 10K
Ω; all gains = 0dB; f = 1KHz;
unless otherwise specified).
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
INPUT SELECTOR
Rin
Input Resistance
all inputs except Phone
70
100
130
K
Ω
VCL
Clipping Level
2.2
2.6
VRMS
SIN
Input Separation
80
100
dB
GIN MIN
Min. Input Gain
-1
0
1
dB
GIN MAX
Max. Input Gain
13
15
17
dB
GSTEP
Step Resolution
0.5
1
1.5
dB
VDC
DC Steps
Adjacent Gain Step
-5
1
5
mV
GMIN to GMAX
-10
6
10
mV
Voffset
Remaining offset with AutoZero
0.5
mV
DIFFERENTIAL CD STEREO INPUT
Rin
Input Resistance
Differential
70
100
130
K
Ω
GCD
Gain
only at true differential input
-1
-5
-11
0
-6
-12
1
-7
-13
dB
dB
dB
CMRR
Common Mode Rejection Ratio
VCM = 1VRMS @ 1KHz
40
70
dB
VCM = 1VRMS @ 10KHz
40
60
dB
eN
Output Noise @ Speaker Output
20Hz to 20KHz flat; all stages 0dB
9
µV
DIFFERENTIAL MD INPUT
Rin
Input Resistance
Differential
40
55
70
K
Ω
CMRR
Common Mode Rejection Ratio
VCM = 1VRMS @ 1KHz
40
70
dB
VCM = 1VRMS @ 10KHz
40
60
dB
eN
Output Noise @ Speaker Output
20Hz to 20KHz flat; all stages 0dB
9
µV
DIFFERENTIAL PHONE INPUT
Rin
Input Resistance
Differential
70
100
130
K
Ω
CMRR
Common Mode Rejection Ratio
VCM = 1VRMS @ 1KHz
35
70
dB
VCM = 1VRMS @ 10KHz
35
60
dB
BEEP CONTROL
VRMS
Beep Level
250
350
500
mV
fBMIN
Lower Beep Frequency
740
780
820
Hz
fBMAX
Higher Beep Frequency
1.48
1.56
1.64
KHz
MIXING CONTROL
MLEVEL
Mixing Level
Main/Mix-Source
0/
∞
dB
-3.5/-9.6
dB
-6/-6
dB
-12/-2.5
dB
VOLUME CONTROL
GMAX
Max Gain
30
32
34
dB
AMAX
Max Attenuation
-83
-79.5
-75
dB
ASTEP
Step Resolution
0
0.5
1
dB
EA
Attenuation Set Error
G = -20 to 20dB
-0.75
0
0.75
dB
G = -80 to -20dB
-4
0
3
dB
ET
Tracking Error
2dB
VDC
DC Steps
Adjacent Attenuation Steps
0.1
3
mV
From 0dB to GMIN
0.5
5
mV
LOUDNESS CONTROL
ASTEP
Step Resolution
0.5
1
1.5
dB
AMAX
Max. Attenuation
13
15
17
dB
fCMIN
Lower Center Frequency
360
400
440
Hz
fCMAX
Higher Center Frequency
720
800
880
Hz
TDA7462
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