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TDA7438 Scheda tecnica(PDF) 4 Page - STMicroelectronics

Il numero della parte TDA7438
Spiegazioni elettronici  THREE BANDS DIGITALLY CONTROLLED AUDIO PROCESSOR
Download  19 Pages
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Produttore elettronici  STMICROELECTRONICS [STMicroelectronics]
Homepage  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TDA7438 Scheda tecnica(HTML) 4 Page - STMicroelectronics

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TDA7438
4/19
SPEAKER ATTENUATORS
CRANGE
Control Range
76
dB
SSTEP
Step Resolution
0.5
1
1.5
dB
EA
Attenuation Set Error
AV = 0 to -20dB
-1.5
0
1.5
dB
AV = -20 to -56dB
-2
0
2
dB
ET
Tracking Error
AV = 0 to -24dB
0
1
dB
AV = -24 to -47dB
0
2
dB
VDC
DC Step
adjacent attenuation steps
0
3
mV
Amute
Mute Attenuation
80
100
dB
AUDIO OUTPUTS
VCLIP
Clipping Level
d = 0.3%
2.1
2.6
VRMS
RL
Output Load Resistance
2
K
RO
Output Impedance
10
40
70
W
VDC
DC Voltage Level
3.8
V
GENERAL (Gain, Bass, Treble, Middle Controls Flat)
ENO
Output Noise
All gains = 0dB;
BW = 20Hz to 20KHz flat
515
µV
Et
Total Tracking Error
(Volume + Speaker Attenuator)
AV = 0 to -24dB
0
1
dB
AV= -24 to -47dB
0
2
dB
AV = -47 to -79dB
0
3
dB
S/N
Signal to Noise Ratio
All gains 0dB; VO = 1VRMS ;90
106
dB
SC
Channel Separation Left/Right
80
100
dB
dDistortion
AV = 0; VI = 1VRMS ;
0.01
0.08
%
BUS INPUT
VIL
Input Low Voltage
1V
VIH
Input High Voltage
3
V
IIN
Input Current
VIN = 0.4V
-5
5
µA
Symbol
Parameter
Test Condition
Min.
Typ.
Max.
Unit
Table 5 (continued)


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