TDA7461 Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Fabricante
TDA7461 Datasheet PDF : 48 Pages
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Electrical specification
TDA7461
Table 6.
Symbol
Audio processor electrical characteristics (continued)
(VS = 9 V; Tamb = 25 °C; RL = 10 kΩ; all gains = 0 dB; f = 1 kHz; unless otherwise specified).
Parameter
Test condition
Min. Typ. Max. Unit
DCGAIN Bass-DC-gain
DC = off
DC = on
-1
0
+1
dB
4
4.4
6
dB
Treble control
CRANGE Control range
ASTEP Step resolution
fC1
fC
Center frequency
fC2
fC3
fC4
±13 ±14 ±15 dB
1
2
3
dB
8
10
12 KHz
10 12.5 15 KHz
12
15
18 KHz
14 17.5 21 KHz
Speaker attenuator
CRANGE
ASTEP
AMUTE
EE
VDC
Control range
Step resolution
Output mute attenuation
Attenuation set error
DC steps
Audio outputs
-53 -50 -47 dB
0.5
1
2
dB
80
90
dB
-2
2
dB
0.1
5
mV
VCLIP
RL
CL
ROUT
VDC
General
Clipping level
Output load resistance
Output load capacitance
Output Impedance
DC voltage level
2.2 2.6
2
VRMS
KΩ
10
nF
30 100 W
3.6 3.8 4.0
V
eNO
Output noise
BW = 20 Hz to 20 kHz
output muted
all gain = 0 dB
BW = 20 Hz to 20 kHz
3
15
μV
6.5
15
μV
S/N Signal to noise ratio
all gain = 0 dB flat; VO = 2 VRMS
106
dB
bass treble at 12 dB; VO = 2.6VRMS
100
dB
d
Distortion
VIN= 1 VRMS; all stages 0 dB
VIN= 1 VRMS; bass & treble = 12 dB
0.002 0.1
%
0.05 0.1
%
SC
Channel separation left/right
80 100
dB
ET
Total tracking error
AV = 0 to -20 dB
AV= -20 to -60 dB
-1
0
1
dB
-2
0
2
dB
1. The SM pin is active low (Mute = 0)
2. See description of audioprocessor part - bass & treble filter characteristics programming
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