TDA7406 Datasheet, PDF (13/64 Pages) STMicroelectronics – Car radio signal processor

TDA7406
Audioprocessor part
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
SOFT MUTE
A_MUTE Mute Attenuation
T_D Delay Time
V_{TH low} Low Threshold for SM-Pin ¹⁾
V_{TH high} High Threshold for SM - Pin
R_PU Internal pull-up resistor
V_PU Internal pull-up Voltage
EQUALIZER CONTROL
C_RANGE Control Range
A_STEP Step Resolution
f_C1 Center Frequency Band 1
f_C2 Center Frequency Band 2
f_C3 Center Frequency Band 3
f_C4 Center Frequency Band 4
f_C5 Center Frequency Band 5
f_C6 Center Frequency Band 6
f_C7 Center Frequency Band 7
Q Quality Factor
DC_GAIN DC-gain, Band 1
SPECTRUM ANALYZER CONTROL
V_SAOut
f_C1
f_C2
Output Voltage Range
Center Frequency Band 1
Center Frequency Band 2
T1
T2
T3
T4
f_C1a
f_C1b
f_C2
f_C3
f_C4
f_C5
f_C6a
f_C6b
f_C7a
f_C7b
Q₁
Q₂
Q₃
Q₄
DC = off
DC = on, 15dB boost
f_C1
f_C2
80 100
dB
0.48
1
ms
0.96
2
ms
70 123 170 ms
200 324 600 ms
1
V
2.5
V
32
45
58
kΩ
3.3
V
+14 +15 +16 dB
0.5
1
1.5
dB
55
62
69
Hz
90 100 110 Hz
141 157 173 Hz
365 396 437 Hz
0.9
1
1.1 kHz
2.25 2.51 2.766 kHz
3.6
4
4.4 kHz
5.70 6.34 6.98 kHz
13.5 15 16.5 kHz
14.4 16 17.6 kHz
0.9
1
1.1
1.26 1.4 1.54
1.62 1.8 1.98
1.98 2.2 2.44
-1
0
+1
dB
4
dB
0
3.3
V
55
62
69
Hz
141 157 173 Hz
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