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TDA7419_09 Datasheet, PDF (10/40 Pages) STMicroelectronics – 3 band car audio processor
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Electrical specifications
TDA7419
3.4
Electrical characteristics
Table 6.
Symbol
Electrical characteristics
VS = 8.5V; Tamb = 25°C; RL = 10kΩ; all gains = 0 dB; f = 1 kHz; unless otherwise specified
Parameter
Test condition
Min. Typ. Max. Unit
Supply
VS Supply voltage
IS Supply current
Input selector
Rin Input resistance
VCL Clipping level
SIN Input separation
GIN MIN Min. input gain
GIN MAX Max. input gain
GSTEP Step resolution
VDC DC steps
Voffset Remaining offset with AutoZero
Differential stereo inputs
All single ended inputs
All Input
QD input
Adjacent gain steps
GMIN to GMAX
Rin
CMRR
eNo
Input resistance
Common mode rejection ratio
Output noise @ speaker outputs
Differential
VCM =1 VRMS @ 1 kHz
VCM =1 VRMS @ 10 kHz
20 Hz to 20 kHz, flat;
all stages 0 dB
MIxing control
MLEVEL
GMAX
AMAX
ASTEP
Mixing ratio
Max gain
Max attenuation
Step resolution
Loudness control
Main / mix source
AMAX Max attenuation
ASTEP Step resolution
fP1
fPeak Peak frequency
fP2
fP3
8
8.5
10
V
27
37
47
mA
70 100 130 kΩ
1.8
2
1.7
2
80 100
VRMS
VRMS
dB
-1
0
1
dB
13
15
17
dB
0.5
1
1.5
dB
-5
1
5
mV
-20
4
20
mV
0.5
mV
70 100 130 KΩ
46
70
dB
46
60
dB
12
μV
-6/-6
dB
13
15
17
dB
-83
-79
-75
dB
0.5
1
1.5
dB
-17
-15
-13
dB
0.5
1
1.5
dB
360 400 440 Hz
720 800 880 Hz
2200 2400 2600 Hz
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