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TDA7442 Datasheet(PDF) 3 Page - STMicroelectronics

Part No. TDA7442
Description  TONE CONTROL AND SURROUND DIGITALLY CONTROLLED AUDIO PROCESSOR
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Maker  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
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TDA7442 Datasheet(HTML) 3 Page - STMicroelectronics

 
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TDA7442 - TDA7442D
Table 2. Quick Reference Data
Table 3. Thermal Data
Table 4. Absolute Maximum Ratings
Symbol
Parameter
Min.
Typ.
Max.
Unit
VS
Supply Voltage
7
9
10.2
V
VCL
Max. input signal handling
2
Vrms
THD
Total Harmonic Distortion V = 1Vrms f = 1KHz
0.01
0.1
%
S/N
Signal to Noise Ratio Vout = 1Vrms (mode = OFF)
106
dB
SC
Channel Separation f = 1KHz
90
dB
Treble Control (2db step)
-14
+14
dB
Bass Control (2dB step)
-14
+14
dB
Balance Control 1dB step (LCH, RCH)
-79
0
dB
Mute Attenuation
100
dB
Symbol
Parameter
Value
Unit
Rth j-pins
Thermal Resistance Junction-pins
Max.
85
°C/W
Symbol
Parameter
Value
Unit
VS
Operating Supply Voltage
11
V
Tamb
Operating Ambient Temperature
-10 to 70
°C
Tstg
Storage Temperature Range
-55 to +150
°C
Table 5. Electrical Characteristics
Refer to the test circuit Tamb = 25°C, VS = 9V, RL = 10KΩ, Vin = 1Vrms; RG = 600Ω, all controls flat (G =
0dB), Effect Ctrl = -6dB, MODE = OFF; f = 1KHz unless otherwise specified.
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
SUPPLY
VS
Supply Voltage
7
9
10.2
V
IS
Supply Current
10
18
26
mA
SVR
Ripple Rejection
LCH / RCH out, Mode = OFF
60
80
dB
INPUT STAGE
RIN
Input Resistance
35
50
65
K
VCL
Clipping Level
THD = 0.3%
2
2.5
Vrms
CRANGE
Control Range
31.5
dB
AVMIN
Min. Attenuation
-1
0
1
dB
AVMAX
Max. Attenuation
31
31.5
32
dB
ASTEP
Step Resolution
0.5
1
dB
BASS CONTROL
Gb
Control Range
Max. Boost/cut
±11.5
±14.0
±16.0
dB
BSTEP
Step Resolution
1
2
3
dB
RB
Internal Feedback Resistance
32
44
56
K


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