TDA7406 Datasheet, PDF (14/64 Pages) STMicroelectronics – Car radio signal processor

Audioprocessor part
TDA7406
Table 4.
Symbol
Audioprocessor electrical characteristics (continued)
(V_S=9V; T_amb=25°C; R_L=10kΩ; all gains=0dB; f=1kHz; unless otherwise specified)
Parameter
Test Condition
Min. Typ. Max. Unit
f_C3
f_C4
f_C5
f_C6
f_C7
Q
f_SAClk
t_SAdel
t_repeat
t_intres
Center Frequency Band 3
f_C3
Center Frequency Band 4
f_C4
Center Frequency Band 5
f_C5
Center Frequency Band 6
f_C6
Center Frequency Band 7
f_C7
Q₁
Quality Factor
Q₂
Clock Frequency
Analog Output Delay Time
Spectrum Analyzer Repeat Time
Internal Reset Time
PAUSE DETECTOR
356 396 436 Hz
0.9
1
1.1 kHz
2.26 2.51 2.76 kHz
5.70 6.34 6.98 kHz
14.4 16 17.6 kHz
1.62 1.8 1.98
3.15 3.5 3.85
1
100 kHz
2
µs
50
ms
3
ms
V_TH Zero Crossing Threshold
I_DELAY Pull-Up Current
V_THP Pause Threshold
SPEAKER ATTENUATORS
Window 1
Window 2
Window 3
40
mV
80
mV
160
mV
15
25
35
µA
3
V
R_in
G_MAX
A_MAX
A_STEP
A_MUTE
E_E
V_DC
M_R
Input Impedance
Max. Gain
Max. Attenuation
Step Resolution
Output Mute Attenuation
Attenuation Set Error
DC Steps
Mixing Ratio
AUDIO OUTPUTS
Adjacent Attenuation Steps
Signal/Mix_In
35
50
65
kΩ
14.5 15.5 16.5 dB
-83.5 -79.5 -75
dB
0.5
1
1.5
dB
80
90
dB
3
dB
0.5
5
mV
50/50
%
V_CLIP
R_L
C_L
R_OUT
V_DC
Clipping Level
Output Load Resistance
Output Load Capacitance
Output Impedance
DC Voltage Level
Thd=0.3%
2.2 2.6
2
V_RMS
kΩ
10
nF
30
120
W
4.3 4.5 4.7
V
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