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TDA7342 Datasheet(PDF) 8 Page - STMicroelectronics

Part # TDA7342
Description  Digitally controlled audio processor
PDF  20 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7342 Datasheet(HTML) 8 Page - STMicroelectronics

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Electrical specifications
TDA7342
8/20
VTH
Zero crossing threshold
(1)
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
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 current
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 21)
(2)
35
50
65
K
Ω
VSMH
(pin 21) Level high
3.5
V
VSML
(pin 21) Level low
Soft mute active
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
2.00
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
Table 4.
Electrical characteristics (continued)
(VS = 9V; RL = 10KΩ; Rg = 50Ω; Tamb = 25°C; all gains = 0dB; f = 1KHz. Refer
to the test circuit, unless otherwise specified.)
Symbol
Parameter
Test condition
Min.
Typ.
Max.
Unit



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