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TDA7718B Datasheet, PDF (11/40 Pages) STMicroelectronics – 3 band car audio processor
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TDA7718B
Electrical specifications
Symbol
Table 5. Electrical characteristics (continued)
Parameter
Test condition
Min.
Middle control
CRANGE Control range
ASTEP Step resolution
fc
Center frequency
QMIDDLE Quality factor
Treble control
CRANGE Clipping level
ASTEP Step resolution
fc
Center frequency
Speaker attenuators
GMAX
AMAX
ASTEP
AMUTE
EE
VDC
Max gain
Max attenuation
Step resolution
Mute attenuation
Attenuation set error
DC steps
Audio outputs
VCL Clipping level
ROUT
RL
CL
VDC
Output impedance
Output load resistance
Output load capacitor
DC voltage level
Subwoofer lowpass
fLP Lowpass corner frequency
-
±14
-
0.5
fC1
-
fC2
-
fC3
-
fC4
-
Q1
-
Q2
-
Q3
-
-
±14
-
0.5
fC1
-
fC2
-
fC3
-
fC4
-
-
14
-
-
-
0.5
-
80
-
-
Adjacent attenuation steps
-
d = 0.3 %; byte8_D6=1
2
d = 1 %; byte8_D6=0
2.2
-
-
-
2
-
-
-
3.8
fLP1
-
fLP2
-
fLP3
-
fLP4
-
Typ.
±15
1
500
1
1.5
2.5
0.75
1
1.25
±15
1
10
12.5
15
17.5
15
-79
1
90
-
0.1
-
-
20
-
-
4.0
55
85
120
160
Max. Unit
±16 dB
1.5
dB
-
Hz
-
kHz
-
kHz
-
kHz
-
-
-
-
-
-
±16 dB
1.5
dB
-
kHz
-
kHz
-
kHz
-
kHz
16
dB
-74
dB
1.5
dB
-
dB
2
dB
5
mV
-
VRMS
-
VRMS
100
W
-
k
10
nF
4.2
V
-
Hz
-
Hz
-
Hz
-
Hz
DocID18305 Rev 3
11/40
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