TDA7718B Datasheet, PDF (10/40 Pages) STMicroelectronics – 3 band car audio processor

Electrical specifications
TDA7718B
Symbol
Table 5. Electrical characteristics (continued)
Parameter
Test condition
Min. Typ. Max. Unit
Loudness control
A_MAX Max attenuation
A_STEP Step resolution
f_Peak Peak frequency
Volume control
G_MAX
A_MAX
A_STEP
E_A
E_T
Max gain
Max attenuation
Step resolution
Attenuation set error
Tracking error
V_DC DC steps
Soft-mute
A_MUTE Mute attenuation
T_D Delay time
V_{TH Low}
V_{TH High}
R_PU
V_PU
Low threshold for SM pin
High threshold for SM pin
Internal pull-up resistor
Internal pull-up voltage
Bass control
Fc Center frequency
Q_BASS Quality factor
C_RANGE Control range
A_STEP Step resolution
DC_GAIN Bass-DC-gain
-
14
15
16
dB
-
0.5
1
1.5
dB
f_P1
-
400
-
Hz
f_P2
-
800
-
Hz
f_P3
-
2400
-
Hz
-
-
-
-
-
Adjacent attenuation steps
From 0 dB to G_MIN
22
23
24
dB
-
-31
-30
dB
0.5
1
1.5
dB
-0.75 0 +0.75 dB
-
-
2
dB
-3
0.1
3
mV
-5
0.5
5
mV
-
80
100
-
dB
T1
0.35 0.48 0.65 ms
T2
0.7 0.96 1.3 ms
T3
5.6
7.6
9.6
ms
T4
12.3 15.3 18.3 ms
-
-
-
1
V
-
2.5
-
-
V
-
32
45
58
k
-
3
3.3
3.6
V
f_C1
f_C2
f_C3
f_C4
Q₁
Q₂
Q₃
Q₄
-
-
DC = off
DC = on, gain = ±15 dB
-
60
-
Hz
-
80
-
Hz
-
100
-
Hz
-
200
-
Hz
-
1
-
-
-
1.25
-
-
-
1.5
-
-
-
2
-
-
±14 ±15 ±16 dB
0.5
1
1.5
dB
-1
0
+1
dB
±4.3 ±4.7 ±5.1 dB
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