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TDA7348D Fiches technique(PDF) 6 Page - STMicroelectronics

No de pièce TDA7348D
Description  Digitally controlled audio processor
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Fabricant  STMICROELECTRONICS [STMicroelectronics]
Site Internet  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7348D Fiches technique(HTML) 6 Page - STMicroelectronics

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Electrical characteristics
TDA7348
6/20
2
Electrical characteristics
Table 1.
Electrical characteristics
VS = 9V; RL = 10KΩ; Rg = 50Ω; Tamb = 25°C; all controls flat (G = 0.3dB step
0dB); f = 1KHz. Refer to the test circuit, unless otherwise specified.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Input selector
RI
Input resistance
70
100
130
K
Ω
VCL
Clipping level
d
≤ 0.3%
2.1
2.6
VRMS
SI
Input separation
80
100
dB
RL
Output load resistance
2
K
Ω
GI MIN
Minimum input gain
-0.75
0
0.75
dB
GI MAX
Maximum input gain
10.25 11.25 12.25
dB
Gstep
Step resolution
2.75
3.75
4.75
dB
eN
Input noise
20Hz to 20 KHz unweighted
2.3
μV
VDC
DC steps
Adiacent gain steps
1.5
10
mV
GIMIN to GIMAX
3
mV
Volume control (1 + 2)
RI
Input resistance
35
50
K
Ω
GMAX
Maximum gain
18.75
20
21.25
dB
AMAX
Maximum attenuation
78.45
dB
ASTEPC
Step resolution coarse
attenuation
0.51.252.0
dB
ASTEPF
Step resolution fine
attenuation
0.11
0.31
0.51
dB
EA
Attenuation set error
G = 20 to -20dB
-1.25
0
1.25
dB
G = -20 to -58dB
-3
2
dB
Et
Tracking error
2
dB
VDC
DC steps
Adiacent attenuation steps
-3
0
3
mV
From 0dB to AMAX
0.5
5
mV
Zero crossing mute
VTH
Zero crossing threshold
WIN = 11
20
mV
WIN = 10
40
mV
WIN = 01
80
mV
WIN = 00
160
mV
AMUTE
Mute attenuation
80
100
dB
VDC
DC step
0dB to Mute
0
3
mV


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