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TDA7348 датащи(PDF) 7 Page - STMicroelectronics

номер детали TDA7348
подробное описание детали  Digitally controlled audio processor
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7348 датащи(HTML) 7 Page - STMicroelectronics

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TDA7348
Electrical characteristics
7/20
Soft mute
AMUTE
Mute attenuation
45
60
dB
TDON
ON delay time
CCSM = 22nF; 0 to -20dB; I =
IMAX
0.7
1
1.7
ms
CCSM = 22nF; 0 to -20dB; I =
IMIN
20
35
55
ms
TDOFF
OFF delay time
VCSM = 0V; I = IMAX
25
50
75
μA
VCSM = 0V; I = IMIN
1
μA
VTHSM
Soft mute threshold
1.5
2.5
3.5
V
RINT
Pull-up resistor (pin 22)
35
50
65
K
Ω
VSMH
(pin 22) level high
Soft Mute active
3.5
V
VSML
(pin 22) level low
1
V
Bass control
BBOOST Max bass boost
15
18
20
dB
BCUT
Max bass cut
-8.5
-10
-11.5
dB
Astep
Step resolution
1
2
3
dB
Rg
Internal feedback resistance
45
65
85
K
Ω
Treble control
CRANGE Control range
±13
±14
±15
dB
Astep
Step resolution
1
2
3
dB
Speaker attenuators
CRANGE Control range
35
37.5
40
dB
Astep
Step resolution
0.5
1.25
2.0
dB
AMUTE
Output mute attenuation
Data word = XXX11111
80
100
dB
EA
Attenuation set error
1.25
dB
VDC
DC steps
Adjacent attenuation steps
0
3
mV
Audio output
Vclip
Clipping level
d = 0.3%
2.1
2.6
Vrms
RL
Output load resistance
2
K
Ω
RO
Output impedance
30
100
W
VDC
DC voltage level
3.5
3.8
4.1
V
General
VCC
Supply voltage
6
9
10.2
V
Table 1.
Electrical characteristics (continued)
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


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