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参数资料
| 型号： | TDA7419TR |
| 厂商： | STMICROELECTRONICS |
| 元件分类： | 音频控制 |
| 英文描述： | 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28 |
| 封装： | SO-28 |
| 文件页数： | 2/40页 |
| 文件大小： | 698K |
| 代理商： | TDA7419TR |
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Electrical specifications
TDA7419
3.4
Electrical characteristics
Table 6.
Electrical characteristics
VS = 8.5V; Tamb = 25°C; RL = 10kΩ; all gains = 0 dB; f = 1 kHz; unless otherwise specified
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
Supply
VS
Supply voltage
8
8.5
10
V
IS
Supply current
27
37
47
mA
Input selector
Rin
Input resistance
All single ended inputs
70
100
130
k
Ω
VCL
Clipping level
All Input
1.8
2
VRMS
QD input
1.7
2
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 steps
-5
1
5
mV
GMIN to GMAX
-20
4
20
mV
Voffset
Remaining offset with AutoZero
0.5
mV
Differential stereo inputs
Rin
Input resistance
Differential
70
100
130
K
Ω
CMRR
Common mode rejection ratio
VCM =1 VRMS @ 1 kHz
46
70
dB
VCM =1 VRMS @ 10 kHz
46
60
dB
eNo
Output noise @ speaker outputs
20 Hz to 20 kHz, flat;
all stages 0 dB
12
μV
MIxing control
MLEVEL Mixing ratio
Main / mix source
-6/-6
dB
GMAX
Max gain
13
15
17
dB
AMAX
Max attenuation
-83
-79
-75
dB
ASTEP
Step resolution
0.5
1
1.5
dB
Loudness control
AMAX
Max attenuation
-17
-15
-13
dB
ASTEP
Step resolution
0.5
1
1.5
dB
fPeak
Peak frequency
fP1
360
400
440
Hz
fP2
720
800
880
Hz
fP3
2200
2400
2600
Hz
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