TDA7405_04 Datasheet, PDF (7/57 Pages) STMicroelectronics – EQUALIZER CARRADIO SIGNAL PROCESSOR

TDA7405
Table 5. ELECTRICAL CHARACTERISTICS (continued)
(V_S=9V; T_amb=25°C; R_L=10kΩ; all gains=0dB; f=1kHz; unless otherwise specified)
Symbol
Parameter
Test Condition
Min.
f_C Center Frequency
f_C1
54
f_C2
63
f_C3
72
f_C4
81
f_C5
90
f_C6
117
f_C7
135
f_C8
180
Q_BASS Quality Factor
Q₁
0.9
Q₂
1.1
Q₃
1.3
Q₄
1.8
DC_GAIN Bass-DC-Gain
DC = off
-1
DC = on
4
TREBLE CONTROL
C_RANGE Control Range
±14
A_STEP Step Resolution
0.5
f_C Center Frequency
f_C1
8
f_C2
10
f_C3
12
f_C4
14
PAUSE DETECTOR⁴⁾
V_TH Zero Crossing Threshold
Window 1
Window 2
Window 3
I_DELAY Pull-Up Current
15
V_THP Pause Threshold
4. If configured as Pause-Output
SPEAKER ATTENUATORS
R_in Input Impedance
35
G_MAX Max. Gain
14
A_MAX Max. Attenuation
-83
A_STEP Step Resolution
0.5
A_MUTE Output Mute Attenuation
80
Typ.
60
70
80
90
100
130
150
200
1
1.25
1.5
2
0
4.4
+15
1
10
12.5
15
17.5
40
80
160
25
3.0
50
15
-79
1
90
Max. Unit
66
Hz
77
Hz
88
Hz
99
Hz
110
Hz
143
Hz
165
Hz
220
Hz
1.1
1.4
1.7
2.2
+1
dB
6
dB
±16 dB
1.5 dB
12 kHz
15 kHz
18 kHz
21 kHz
mV
mV
mV
35 µA
V
65 kΩ
16 dB
-75 dB
1.5 dB
dB
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