參數(shù)資料
型號(hào)： TDA7419
廠商： STMICROELECTRONICS
元件分類： 音頻控制
英文描述： 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝： SO-28
文件頁數(shù)： 3/40頁
文件大?。?/td> 698K
代理商： TDA7419
TDA7419
Electrical specifications
Volume control
GMAX
Max gain
13
15
17
dB
AMAX
Max attenuation
-83
-79
-75
dB
ASTEP
Step resolution
0.5
1
1.5
dB
EA
Attenuation set error
G = -20 to +20 dB
-0.75
0
+0.75
dB
G = -79 to -20 dB
-4
0
3
dB
ET
Tracking error
2dB
VDC
DC steps
Adjacent attenuation steps
-3
0.1
3
mV
From 0dB to GMIN
-5
0.5
5
mV
Soft-mute
AMUTE
Mute attenuation
80
100
dB
TD
Delay time
T1
0.48
1
ms
T2
0.96
2
ms
T3
70
123
170
ms
VTH Low Low threshold for SM pin
1
V
VTH High High threshold for SM pin
2.5
V
RPU
Internal pull-up resistor
32
45
58
k
Ω
VPU
Internal pull-up voltage
3.3
V
Bass control
Fc
Center frequency
fC1
54
60
66
Hz
fC2
72
80
88
Hz
fC3
90
100
110
Hz
fC4
180
200
220
Hz
QBASS
Quality factor
Q1
0.911.1
Q2
1.11.251.4
Q3
1.3
1.5
1.7
Q4
1.822.2
CRANGE Control range
±14
±15
±16
dB
ASTEP
Step resolution
0.5
1
1.5
dB
DCGAIN Bass-DC-gain
DC = off
-1
0
+1
dB
DC = on (shelving filter, use for
cut only)
-4.4
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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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
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TDA7420 制造商:STMICROELECTRONICS 制造商全稱:STMicroelectronics 功能描述:MULTIFUNCTIONAUDIO PROCESSOR
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