TDA7719 Datasheet, PDF (10/45 Pages) STMicroelectronics – 3 band car audio processor

Electrical specifications and characteristics
TDA7719
Table 5. Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min. Typ. Max. Unit
Loudness control
A_MAX
A_STEP
Max attenuation
Step resolution
f_Peak(2) 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(2) Quality factor
C_RANGE
A_STEP
DC_GAIN
Control range
Step resolution
Bass-DC-gain
17
15
13
dB
0.5
1
1.5
dB
f_P1
360 400 440
Hz
f_P2
720 800 880
Hz
f_P3
2200 2400 2600
Hz
13
15
17
dB
-17 -15 -13
dB
0.5
1
1.5
dB
-0.75 0 +0.75 dB
2
dB
Adjacent attenuation steps
0.1
3
mV
From 0dB to G_MIN
0.5
5
mV
80
100
dB
T1
0.16 0.48 0.80
ms
T2
0.32 0.96 1.6
ms
T3
3
8
13
ms
T4
10
16
20
ms
0.6
V
2.7
V
32
45
58
kΩ
3.1
3.3
3.5
V
f_C1
f_C2
f_C3
f_C4
Q₁
Q₂
Q₃
Q₄
DC = off
DC = on, Gain = ± 15dB
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
3.5 ±4.4 5.5
dB
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