TDA7404D Datasheet, PDF (5/26 Pages) STMicroelectronics – CARRADIO-SIGNAL-PROCESSOR

ELECTRICAL CHARACTERISTICS (continued)
Symbol
Parameter
Test Conditions
MIXING CONTROL
M_LEVEL Mixing Level
Main / Mix-Source
Main / Mix-Source
Main / Mix-Source
Main / Mix-Source
VOLUME CONTROL
G_MAX Max. Gain
A_MAX Max. Attenuation
A_STEP Step Resolution
E_A Attenuation Set Error
E_T Tracking Error
V_DC DC Steps
LOUDNESS CONTROL
A_STEP Step Resolution
A_MAX Max. Attenuation
f_C
Center Frequency
G = -20 to +20dB
G = -80 to -20dB
Adjacent Steps
From 0dB to G_MIN
SOFT MUTE
A_MUTE Mute Attenuation
T_D Delay Time
T1
T2
T3
T4
V_{TH low Low Threshold for SM-Pin}²
V_{TH high} High Threshold for SM - Pin
R_PU Internal pull-up resistor
V_PU Pull-Up Voltage
TDA7404D
Min. Typ. Max. Unit
0/00
dB
-8.5/- -3.5/- -2.5/- dB
10.6 9.6
8.6
-5/-5 -6/-6 -7/-7 dB
-11/- -12/- -13/- dB
1.5
2.5
3.5
28
30
32
dB
-83
-79
-75
dB
0.5
1
1.5
dB
-1
0
1
dB
-4
0
3
dB
2
dB
0.1
3
mV
0.5
5
mV
-0.5
1
1.5
dB
13
15
17
dB
360 400 440
Hz
720 800 880
Hz
2.3
2.4¹
2.5
kHz
80
100
dB
0.48
1
ms
0.96
2
ms
20
30.7
50
ms
70
123 170
ms
1
V
2.50
V
70
100 130
kΩ
5
V
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