TDA7419 Datasheet, PDF (6/30 Pages) STMicroelectronics – 3 BAND CAR AUDIO PROCESSOR

TDA7419
Table 6. Electrical Characteristcs (continued)
V_S = 8.5V; T_amb = 25°C; R_L= 10kΩ ; all gains = 0dB; f = 1kHz; unless otherwise specified
Symbol
Parameter
SOFT MUTE
A_MUTE Mute Attenuation
T_D Delay Time
V_{TH Low} Low Threshold for SM Pin
V_{TH High} High Threshold for SM Pin
R_PU Internal pull-up resistor
V_PU Internal pull-up Voltage
BASS CONTROL
Fc Center Frequency
Q_BASS Quality Factor
C_RANGE
A_STEP
DC_GAIN
Control Range
Step Resolution
Bass-DC-Gain
MIDDLE CONTROL
C_RANGE Control Range
A_STEP Step Resolution
f_c
Center Frequency
Q_BASS Quality Factor
TREBLE CONTROL
C_RANGE Clipping Level
A_STEP Step Resolution
fc Center Frequency
Test Condition
T1
T2
T3
f_C1
f_C2
f_C3
f_C4
Q₁
Q₂
Q₃
Q₄
DC = off
DC = on (shelving filter, use for
cut only)
f_C1
f_C2
f_C3
f_C4
Q₁
Q₂
Q₃
Q₄
f_C1
f_C2
f_C3
f_C4
Min. Typ. Max. Unit
80
100
dB
0.48
1
ms
0.96
2
ms
70
123 170
ms
1
V
2.5
V
32
45
58
kΩ
3.3
V
54
60
66
Hz
72
80
88
Hz
90
100 110
Hz
180 200
220
Hz
0.9
1
1.1
1.1 1.25 1.4
1.3
1.5
1.7
1.8
2
2.2
±14 ±15 ±16
dB
0.5
1
1.5
dB
-1
0
+1
dB
-4.4
dB
±14 ±15
±16
dB
0.5
1
1.5
dB
400 500
600
Hz
0.8
1
1.2 kHz
1.2
1.5
1.8
kHz
2
2.5
3
kHz
0.45 0.5 0.55
0.65 0.75 0.85
0.9
1
1.1
1.1 1.25 1.4
±14 ±15
±16
dB
0.5
1
1.5
dB
8
10
12
kHz
10
12.5
15
kHz
12
15
18
kHz
14
17.5
21
kHz
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