TDA7418 Datasheet, PDF (10/29 Pages) STMicroelectronics – 3 Band car audio procesor

Electrical specification
TDA7418
Table 4.
Symbol
Electrical characteristics (continued)
V_S = 8.5V; T_amb= 25°C; R_L= 10kΩ; all gains = 0dB; f = 1kHz; unless otherwise specified
Parameter
Test Condition
Min. Typ. Max. Unit
Q_BASS
Quality Factor ⁽¹⁾
C_RANGE
A_STEP
Control Range
Step Resolution
DC_GAIN Bass-DC-Gain
Q₁
Q₂
Q₃
Q₄
DC = off
DC = on
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
0
dB
3.5 4.4
6
dB
MIDDLE CONTROL
C_RANGE Control Range
A_STEP Step Resolution
f_C1
fc
Center Frequency ⁽¹⁾
f_C2
f_C3
f_C4
Q₁
Q_BASS
Quality Factor ⁽¹⁾
Q₂
Q₃
Q₄
TREBLE CONTROL
±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
C_RANGE Clipping Level
A_STEP Step Resolution
f_C1
fc
Center Frequency ⁽¹⁾
f_C2
f_C3
f_C4
SPEAKER ATTENUATORS
±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
G_MAX
A_MAX
A_STEP
A_MUTE
E_E
V_DC
Max Gain
Max Attenuation
Step Resolution
Mute Attenuation
Attenuation Set Error
DC Steps
Adjacent Attenuation Steps
14
15
16
dB
-84 -79
-74
dB
0.5
1
1.5
dB
80
90
dB
2
dB
-5
0.1
5
mV
10/29