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TS4997 датащи(PDF) 19 Page - STMicroelectronics

номер детали TS4997
подробное описание детали  2 x 1W differential input stereo audio amplifier with programmable 3D effects
PDF  34 Pages
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производитель  STMICROELECTRONICS [STMicroelectronics]
домашняя страница  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4997 датащи(HTML) 19 Page - STMicroelectronics

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TS4997
Electrical characteristics
19/34
Figure 62.
Power dissipation vs. output power Figure 63.
Power derating curves
0
50
100
150
200
250
300
350
400
450
0
50
100
150
200
250
300
350
400
RL=4
Ω
RL=16
Ω
RL=8
Ω
Vcc = 2.7V
F = 1kHz
THD+N < 1%
Output Power (mW)
0
255075
100
125
150
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
2.6
2.8
3.0
Mounted on 2-layer PCB
with vias
No Heat sink -AMR value
Mounted on 4-layer PCB
with vias
Ambiant Temperature (
°C)
Table 8.
Output noise, Tamb = 25°C
Conditions
3D effect level
Unweighted filter
(20Hz to 20kHz)
VCC = 2.7V to 5.5V
A-weighted filter
VCC = 2.7V to 5.5V
Inputs floating
OFF
10
μVrms
6
μVrms
Inputs floating
LOW
18
μVrms
12
μVrms
Inputs floating
MEDIUM
24
μVrms
15
μVrms
Inputs floating
HIGH
34
μVrms
22
μVrms
Inputs grounded, G=6dB
OFF
15
μVrms
10
μVrms
Inputs grounded, G=6dB
LOW
28
μVrms
19
μVrms
Inputs grounded, G=6dB
MEDIUM
36
μVrms
24
μVrms
Inputs grounded, G=6dB
HIGH
52
μVrms
35
μVrms
Inputs grounded, G=12dB
OFF
20
μVrms
14
μVrms
Inputs grounded, G=12dB
LOW
39
μVrms
26
μVrms
Inputs grounded, G=12dB
MEDIUM
50
μVrms
33
μVrms
Inputs grounded, G=12dB
HIGH
71
μVrms
48
μVrms



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