TDA7418 Просмотр технического описания (PDF) - STMicroelectronics
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TDA7418 Datasheet PDF : 29 Pages
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TDA7418
Electrical specification
Table 4.
Symbol
Electrical characteristics (continued)
VS = 8.5V; Tamb= 25°C; RL= 10kΩ; all gains = 0dB; f = 1kHz; unless otherwise specified
Parameter
Test Condition
Min. Typ. Max. Unit
eNo
Output Noise @ Speaker
Outputs
20Hz-20kHz,flat; all stages
0dB
12
20
μV
LOUDNESS CONTROL
AMAX
Symbol
ASTEP
Max Attenuation
Parameter
Step Resolution
fPeak
Peak Frequency (1)
VOLUME CONTROL
Test Condition
fP1
fP2
fP4
-16 -15
-14
dB
Min. Typ. Max. Unit
0.5
1
1.5
dB
360 400 440 Hz
720 800 880 Hz
2.1 2.4 2.7 kHz
GMAX
AMAX
ASTEP
EA
ET
VDC
Max Gain
Max Attenuation
Step Resolution
Attenuation Set Error
Tracking Error
DC Steps
SOFT MUTE
G = -20 to +15dB
G = -79 to -20dB
Adjacent Attenuation Steps
From 0dB to GMIN
14
15
16
dB
-84 -79
-74
dB
0.5
1
1.5
dB
-1
0
1
dB
-4
0
3
dB
2
dB
-3
0.1
3
mV
-10 0.5
10
mV
AMUTE Mute Attenuation
T1
TD
Delay Time
T2
T3
VTH Low
VTH High
RPU
VPU
Low Threshold for SM Pin
High Threshold for SM Pin
Internal pull-up resistor
Internal pull-up Voltage
BASS CONTROL
80
100
dB
0.48
ms
0.96
ms
123
ms
0.7
V
2.7
V
32
45
58
kΩ
3.3
V
fC1
fc
Center Frequency (1)
fC2
fC3
fC4
54
60
66
Hz
72
80
88
Hz
90 100 110 Hz
180 200 220 Hz
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