TDA7439(2008) Ver la hoja de datos (PDF) - STMicroelectronics
Número de pieza
componentes Descripción
Lista de partido
TDA7439 Datasheet PDF : 23 Pages
| |||
TDA7439
Electrical specifications
Table 5.
Symbol
Electrical characteristics (continued)
Parameter
Test condition
Min Typ Max Unit
Input stage
RIN Input resistance
VCL Clipping level
THD = 0.3%
70 100 130 kΩ
2 2.5
V
RMS
SIN Input separation
The selected input is
grounded through a 2.2 µF 80 100
dB
capacitor
Gin_min Minimum input gain
Gin_max Maximum input gain
Gstep Step resolution
Volume control
-1
0
1 dB
29 30 31 dB
1.5 2 2.5 dB
Ri Volume control input resistance
20 33 50 kΩ
Crange Volume control range
45 47 49 dB
Av_max Max. attenuation
45 47 49 dB
Astep Step resolution
0.5 1 1.5 dB
EA Attenuation set error
AV = 0 to -24 dB
AV = -24 to -47 dB
-1.0 0 1.0 dB
-1.5 0 1.5 dB
EΤ Tracking error
AV = 0 to -24 dB
AV = -24 to -47 dB
0
1 dB
0
2 dB
VDC DC step
adjacent attenuation steps
from 0 dB to Av_max
0
3 mV
0.5
mV
Amute Mute attenuation
Bass control (1)
80 100
dB
Gb Control range
Max. boost/cut
±12.0 ±14.0 ±16.0 dB
Bstep Step resolution
RB Internal feedback resistance
Treble control (1)
1
2
3 dB
33 44 55 kΩ
Gt Control range
Max. boost/cut
±13.0 ±14.0 ±15.0 dB
Tstep Step resolution
Mid-range control (1)
1
2
3 dB
Gm Control range
Max. boost/cut
±12.0 ±14.0 ±16.0 dB
Mstep
RM
Step resolution
Internal feedback resistance
1
2
3 dB
18.75 25 31.25 kΩ
5/23
Share Link: 