TDA7404DTR Datasheet, PDF (12/35 Pages) STMicroelectronics – Car radio signal processor

Electrical specifications
TDA7404
Table 5.
Symbol
Electrical characteristics (continued)
(V_S =9 V; T_amb=25 °C; R_L=10 kΩ; all gains = 0 dB; f = 1 kHz; unless otherwise specified)
Parameter
Test conditions
Min. Typ. Max. Unit
Fader outputs
V_CLIP
R_L
C_L
R_OUT
V_DC
Clipping level
Output load resistance
Output load capacitance
Output impedance
DC Voltage Level
Subwoofer attenuator
d = 0.3%
2.20 2.60
2
V_RMS
kΩ
10
nF
30
100
W
4.3 4.5 4.7
V
C_RANGE Control range
A_STEP Step resolution
A_MUTE Output mute attenuation
E_E Attenuation set error
V_DC DC steps
General
Adjacent attenuation steps
-53
50
-47
dB
0.5
1
1.5
dB
80
90
dB
2
dB
0.10
5
mV
e_NO Output noise
BW = 20 Hz - 20 kHz
all gains = 0 dB single ended
inputs
10
15
μV
S/N Signal to noise ratio
d Distortion
all gains = 0 dB
flat; V_O = 2V_RMS
bass, treble at +12 dB;
a-weighted; V_O = 2.6 V_RMS
V_IN = 1 V_RMS; all stages 0 dB
internal pass only
V_OUT = 1 V_RMS;
Bass and treble = 12 dB
106
dB
100
dB
0.005 0.1
%
0.05 0.1
%
S_C Channel separation left/right
E_T Total tracking error
A_V = 0 to -20 dB
A_V = -20 to -60 dB
80 100
dB
-1
0
1
dB
-2
0
2
dB
1. The SM-Pin is active low (Mute = 0).
2. Center frequency 2.4 kHz makes 1kHz bottom frequency at low and high frequency boost condition.
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