TDA7443D 查看數據表（PDF） - STMicroelectronics
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TDA7443D Datasheet PDF : 15 Pages
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TDA7443D
ELECTRICAL CHARACTERISTICS (continued)
(Refer to the test circuit Tamb=25C, Vs=9V, f=1kHz ,all controls flat, unless otherwise specified)
Symbol
Parameter
Conditions
Min. Typ. Max.
Bstep Step Resolution
1
2
3
RB Internal Feedback Resistance
33
44
55
TREBLE CONTROL
GT Control Range
Max. Boost/Cut
±13 ±14 ±15
Tstep Step Resolution
1
2
3
RT Internal Feedback Resistance
25
BALANCE CONTROL
ABALmin Minimum Attenuation
-1
0
1
ABALmax Maximum Attenuation
61
63
65
ABALstep Step Resolution
1
EA Attenuation set error
AV = 0 to –24 dB
-1
0
1
AV = –24 to –63 dB
-2
0
2
VDC DC Steps
Adjacent att. steps
-3
0
3
AUDIO OUTPUTS
VOCL Clipping Level
THD = 0.3%
2
2.5
RL Output Load Resistance
2
VOUT DC Voltage Level
4.5
NO(OFF) Output Noise (OFF)
BW=20Hz to 20kHz;
All gains 0dB;
Output muted
flat
5
10
15
NO(MUS) Output Noise (Music)
BW=20Hz to 20kHz;
Mode=Music
30
NO(PS) Output Noise(Pseudo Stereo)
BW=20Hz to 20kHz;
Mode=Pseudo Stereo
30
AMUTE Output Mute Condition
90
S/N Signal to Noise Ratio
All gains 0dB;VO = 1Vrms
100
SC Channel Separation Left/Right
90
d
Distortion
AV = 0; VI = 1Vrms
0.01 0.1
BUS INPUT
VIL Input Low Voltage
1
VIH Input High Voltage
2.5
IIN Input Current
VIN = 0.4V
-5
5
VO Output Voltage (ACK)
IO = 1.6mA
0.4
0.8
Unit
dB
kΩ
dB
dB
kΩ
dB
dB
dB
dB
dB
mV
Vrms
kΩ
V
µV
µV
µV
µV
dB
dB
dB
%
V
V
µA
V
5/15
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