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TS4998 데이터시트(PDF) 18 Page - STMicroelectronics

부품명 TS4998
상세설명  2 x 1W differential input stereo audio amplifier
PDF  33 Pages
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제조업체  STMICROELECTRONICS [STMicroelectronics]
홈페이지  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

TS4998 데이터시트(HTML) 18 Page - STMicroelectronics

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Electrical characteristics
TS4998
18/33
Figure 56.
Frequency response
Figure 57.
Output power vs. load resistance
100
1000
10000
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
Cin=680nF, Rin=12k
Ω
Cin=4.7
μF, Rin=12kΩ
Cin=4.7
μF, Rin=24kΩ
20k
Frequency (Hz)
Cin=330nF, Rin=24k
Ω
Vcc = 2.7V
Po = 200mW
ZL = 8
Ω + 500pF
Tamb = 25
°C
20
4
8
12
16
20
24
28
32
0
200
400
600
800
1000
1200
1400
1600
1800
Vcc=5.5V
Vcc=5V
Vcc=4.5V
Vcc=4V
Vcc=3.3V
Vcc=3V
Vcc=2.7V
THD+N = 1%
F = 1kHz
Cb = 1
μF
BW < 125kHz
Tamb = 25
°C
Load Resistance (
Ω)
Figure 58.
Output power vs. power supply
voltage
Figure 59.
Output power vs. power supply
voltage
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
200
400
600
800
1000
1200
1400
1600
1800
RL=32
Ω
RL=8
Ω
RL=16
Ω
RL=4
Ω
F = 1kHz
Cb = 1
μF
BW < 125 kHz
Tamb = 25
°C
Vcc (V)
2.5
3.0
3.5
4.0
4.5
5.0
5.5
0
200
400
600
800
1000
1200
1400
1600
1800
2000
2200
RL=32
Ω
RL=8
Ω
RL=16
Ω
RL=4
Ω
F = 1kHz
Cb = 1
μF
BW < 125 kHz
Tamb = 25
°C
Vcc (V)
Figure 60.
Power dissipation vs. output power Figure 61.
Power dissipation vs. output power
0
200
400
600
800
1000 1200 1400 1600
0
100
200
300
400
500
600
700
800
900
1000
1100
1200
1300
1400
1500
RL=4
Ω
RL=16
Ω
RL=8
Ω
Vcc = 5V
F = 1kHz
THD+N < 1%
Output Power (mW)
0
100
200
300
400
500
600
700
0
50
100
150
200
250
300
350
400
450
500
550
600
RL=4
Ω
RL=16
Ω
RL=8
Ω
Vcc = 3.3V
F = 1kHz
THD+N < 1%
Output Power (mW)



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