TDA7435D Ver la hoja de datos (PDF) - STMicroelectronics
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TDA7435D Datasheet PDF : 10 Pages
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TDA7435
ELECTRICAL CHARACTERISTICS (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
INPUT STAGE: AUX1
RI
Input Resistance
VCL
SI
GI MIN
Clipping Level
Input Separation
Minimum Input Gain
GI MAX Maximum Input Gain
Gstep
Step Resolution
Ea
Set Error
VDC
DC Steps
d ≤ 0.3%
Adiacent Gain Steps
GIIN to GIMAX
SPEAKER ATTENUATORS - AUX 1
CRANGE Control Range
Astep
Step Resolution
AMUTE
Output Mute Attenuation
EA
Attenuation Set Error
VDC
DC Steps
Av = 0 to -40dB
Data Word = 1111XXXX
Av = 0 to -40dB
Adjacent Attenuation Steps
AUDIO OUTPUT (Pin 4 - 5, 8 - 9, 10 - 14)
Vclip
Clipping Level
d = 0.3%
RL
Output Load Resistance
RO
Output Impedance
VDC
DC Voltage Level
STAGE: AUX2
RI
Input Resistance
VCL
Clipping Level
SI
Input Separation
GI
Gain
Input Mute
24
33
42
KΩ
2.1
2.6
70
80
VRMS
dB
-0.75
0
0.75 dB
13.75 15 16.25 dB
0.5
1.0
1.5
dB
-1.25
0
1.25 dB
0.5
10
mV
2.5
mV
79
dB
0.5
1
1.5
dB
80
105
dB
1.5
dB
0
3
mV
2.1
2.6
Vrms
2
KΩ
20
30
100
Ω
3.5
3.8
4.1
V
24
33
42
KΩ
2.1
2.6
Vrms
70
80
dB
-0.75
0
0.75 dB
80
100
dB
STAGE: HP FILTER
R1
Resistance at pin HP1
R2
Resistance at pin HP2
VCL
Clipping Level
SOFT MUTE
AMUTE
Mute Attenuation
TDON
ON Delay Time
TDOFF
OFF Current
HIGHPASS BYTE
120 170 220 KΩ
D3 = 1
XXXX1XXX
1
MΩ
d ≤ 0.3%
2.1
2.6
Vrms
40
50
dB
CCSM = 22nF; 0 to -20dB; I = IMAX 0.7
1
2
ms
CCSM = 22nF; 0 to -20dB; I = IMIN 10
30
50
ms
VCSM = 0V; I = IMAX
60
160
µA
VCSM = 0V; I = IMIN
110
210
µA
3/10
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