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TDA7439 Datasheet(PDF) 5 Page - STMicroelectronics

No. de pieza TDA7439
Descripción Electrónicos  Three-band digitally-controlled audio processor
Download  23 Pages
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Fabricante Electrónico  STMICROELECTRONICS [STMicroelectronics]
Página de inicio  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7439 Datasheet(HTML) 5 Page - STMicroelectronics

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TDA7439
Electrical specifications
5/23
Input stage
RIN
Input resistance
70
100
130
k
Ω
VCL
Clipping level
THD = 0.3%
2
2.5
V
RMS
SIN
Input separation
The selected input is
grounded through a 2.2 µF
capacitor
80
100
dB
Gin_min Minimum input gain
-1
0
1
dB
Gin_max Maximum input gain
29
30
31
dB
Gstep
Step resolution
1.5
2
2.5
dB
Volume control
Ri
Volume control input resistance
20
33
50
k
Ω
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
-1.0
0
1.0
dB
AV = -24 to -47 dB
-1.5
0
1.5
dB
E
Τ
Tracking error
AV = 0 to -24 dB
0
1
dB
AV = -24 to -47 dB
0
2
dB
VDC
DC step
adjacent attenuation steps
from 0 dB to Av_max
0
0.5
3mV
mV
Amute
Mute attenuation
80
100
dB
Bass control (1)
Gb
Control range
Max. boost/cut
±12.0 ±14.0 ±16.0
dB
Bstep
Step resolution
1
2
3
dB
RB
Internal feedback resistance
33
44
55
k
Ω
Treble control (1)
Gt
Control range
Max. boost/cut
±13.0 ±14.0 ±15.0
dB
Tstep
Step resolution
1
2
3
dB
Mid-range control (1)
Gm
Control range
Max. boost/cut
±12.0 ±14.0 ±16.0
dB
Mstep
Step resolution
1
2
3
dB
RM
Internal feedback resistance
18.75
25
31.25
k
Ω
Table 5.
Electrical characteristics (continued)
Symbol
Parameter
Test condition
Min
Typ
Max
Unit


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