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TDA7342EQ2N Datasheet(PDF) 9 Page - STMicroelectronics

Part # TDA7342EQ2N
Description  Digitally controlled audio processor
PDF  21 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7342EQ2N Datasheet(HTML) 9 Page - STMicroelectronics

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TDA7342EQ2N
Electrical specifications
9/21
LOUDNESS CONTROL
RI
Internal Resistor
Loud = On
35
50
65
K
Ω
AMAX
Maximum Attenuation
17.5
18.75
20.0
dB
Astep
Step Resolution
0.5
1.25
2.0
dB
ZERO CROSSING MUTE
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
IDOFF
OFF Current
VCSM= 0V; I = IMAX
25
50
75
µA
VCSM= 0V; I = IMIN
1
µA
VTHSM
Soft Mute Threshold (pin 14)
1.5
2.5
3.5
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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