參數(shù)資料
型號(hào): TDA7719
廠商: STMICROELECTRONICS
元件分類: 音頻控制
英文描述: 2 CHANNEL(S), TONE CONTROL CIRCUIT, PDSO28
封裝: ROHS COMPLIANT, MO-153AC, TSSOP-28
文件頁數(shù): 3/46頁
文件大?。?/td> 590K
代理商: TDA7719
TDA7719
Electrical specifications
Doc ID 13698 Rev 4
Middle control
CRANGE
Control range
±14
±15
±16
dB
ASTEP
Step resolution
0.5
1
1.5
dB
fc
Center frequency
fC1
400
500
600
Hz
fC2
0.8
1
1.2
kHz
fC3
1.2
1.5
1.8
kHz
fC4
22.5
3
kHz
QBASS
Quality factor
Q1
0.45
0.5
0.55
Q2
0.65
0.75
0.85
Q3
0.9
1
1.1
Q4
1.1
1.25
1.4
Treble control
CRANGE
Clipping level
±14
±15
±16
dB
ASTEP
Step resolution
0.5
1
1.5
dB
fc
Center frequency
fC1
810
12
kHz
fC2
10
12.5
15
kHz
fC3
12
15
18
kHz
fC4
14
17.5
21
kHz
Speaker attenuators
AMIN
Min attenuation
-1
0
1
dB
AMAX
Max attenuation
-89
-79
-69
dB
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
0.1
5
mV
Audio outputs
VCL
Clipping level
d = 0.3%; Byte8_D6=1
2
VRMS
d = 1%; Byte8_D6=0
2.2
VRMS
ROUT
Output impedance
30
100
Ω
RL
Output load resistance
2
k
Ω
CL
Output load capacitor
10
nF
VDC
DC voltage level
3.8
4.0
4.2
V
Subwoofer attenuator
GMAX
Max gain
141516
dB
AMAX
Max attenuation
-83
-79
-75
dB
ASTEP
Step resolution
0.5
1
1.5
dB
AMUTE
Mute attenuation
80
90
dB
EE
Attenuation set error
2
dB
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit
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