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TS4902 数据表(PDF) 9 Page - STMicroelectronics

部件名 TS4902
功能描述  300mW at 3.3V SUPPLY AUDIO POWER AMPLIFIER WITH STANDBY MODE ACTIVE LOW
PDF  19 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4902 数据表(HTML) 9 Page - STMicroelectronics

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TS4902
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Fig. 21 : Output Power vs Load Resistance
Fig. 23 : Clipping Voltage vs Supply Voltage
Fig. 25 : Noise Floor
Fig. 22 : Output Power vs Load Resistance
Fig. 24 : Frequency response vs Cin & Cfeed
816
16
24
32
32
0.0
0.2
0.4
0.6
0.8
1.0
Vcc=4.5V
Vcc=5V
Vcc=2.5V
Vcc=3V
Vcc=4V
Vcc=3.5V
THD+N=1%
Gv = 2 & 10
Cb = 1
µF
F = 1kHz
BW < 125kHz
Tamb = 25
°C
Load Resistance (ohm)
2.5
3.0
3.5
4.0
4.5
5.0
0.2
0.3
0.4
0.5
0.6
0.7
0.8
0.9
1.0
4
Ω High Side
8
Ω High Side
Tamb = 25
°C
8
Ω Low Side
4
Ω Low Side
Supply Voltage (V)
100
1000
10000
0
20
40
60
80
100
Standby = ON
Vcc = 2.5V to 5V
Rin = Rfeed = 22k
Ω
Cb = Cin = 1
µF
Input Grounded
BW < 22kHz
Tamb = 25
°C
V
OUT1
+ V
OUT2
20
Frequency (Hz)
8
162432
0.0
0.2
0.4
0.6
0.8
1.0
1.2
Vcc=2.5V
Vcc=4.5V
Vcc=4V
Vcc=3.5V
Vcc=3V
Vcc=5V
THD+N=10%
Gv = 2 & 10
Cb = 1
µF
F = 1kHz
BW < 125kHz
Tamb = 25
°C
Load Resistance (ohm)
10
100
1000
10000
-25
-20
-15
-10
-5
0
5
10
Rin = Rfeed = 22k
Ω
Tamb = 25
°C
Cfeed = 2.2nF
Cfeed = 680pF
Cfeed = 330pF
Cin = 470nF
Cin = 82nF
Cin = 22nF
Frequency (Hz)



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