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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： | 5/40页 |
| 文件大小： | 698K |
| 代理商： | TDA7419TR |
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TDA7419
Electrical specifications
ASTEP
Step resolution
0.5
1
1.5
dB
AMUTE
Mute attenuation
80
90
dB
EE
Attenuation set error
2
dB
VDC
DC steps
Adjacent attenuation steps
-5
1
5
mV
Subwoofer lowpass
fLP
Lowpass corner frequency
fLP1
72
80
88
Hz
fLP2
108
120
132
Hz
fLP3
144
160
176
Hz
HPF effect
GMAX
Max gain
21
22
23
dB
GMIN
Min gain
3
4
5
dB
ASTEP
Step resolution
1.5
2
2.5
dB
Spectrum analyzer control
VSAOut
Output voltage range
0
3.3
V
fC1
Center frequency band 1
5.5
62
69
Hz
fC2
Center frequency band 2
141
157
173
Hz
fC3
Center frequency band 3
356
392
436
Hz
fC4
Center frequency band 4
0.9
1
1.1
kHz
fC5
Center frequency band 5
2.26
2.51
2.76
kHz
fC6
Center frequency band 6
5.70
6.34
6.98
kHz
fC7
Center frequency band 7
14.4
16
17.6
kHz
Q
Quality factor
Q1
1.62
1.8
1.98
Q2
3.15
3.5
3.85
fSAClk
Clock frequency
3
100
kHz
tSadel
Analog output delay time
2
μs
trepeat
Spectrum analyzer repeat time
50
ms
tintres
Internal reset time
4.5
ms
General
eNO
Output noise
BW = 20 Hz to 20 kHz
all gain = 0dB
12
20
μV
BW = 20 Hz to 20 kHz output
muted
615
μV
S/N
Signal to noise ratio
all gain = 0 dB flat; Vo = 2 VRMS
100
dB
D
Distortion
VIN = 1 VRMS; all stages 0 dB
0.01
0.1
%
SC
Channel separation left/right
80
90
dB
Table 6.
Electrical characteristics (continued)
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
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| TDA7420 | 制造商:STMICROELECTRONICS 制造商全称:STMicroelectronics 功能描述:MULTIFUNCTIONAUDIO PROCESSOR |
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