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TS421IQT 数据表(PDF) 24 Page - STMicroelectronics

部件名 TS421IQT
功能描述  360 mW mono amplifier with standby mode
PDF  42 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS421IQT 数据表(HTML) 24 Page - STMicroelectronics

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Figure 73. PSRR vs. input capacitor
100
1000
10000
100000
-60
-50
-40
-30
-20
-10
0
Cin = 100nF
Cin = 1
µF, 220nF
Vripple = 200mVpp
Av = 4, Vcc = 5V
Input = grounded
Cb = 1
µF, Rin = 20kΩ
RL >= 16Ω
Tamb = 25°C
Frequency (Hz)
Figure 74. PSRR vs. bypass capacitor
Cb = Cin = 1 µF
100
1000
10000
100000
-60
-50
-40
-30
-20
-10
0
Vcc = 2V
Vcc = 5V, 3.3V & 2.5V
Vripple = 200mVpp
Av = 4
Input = Grounded
Cb = Cin = 1
µF
RL >= 16Ω
Tamb = 25°C
Frequency (Hz)
Figure 75. PSRR vs. bypass capacitor
Cb = Cin = 4.7 µF
100
1000
10000
100000
-60
-50
-40
-30
-20
-10
0
Vcc = 2V
Vcc = 5V, 3.3V & 2.5V
Vripple = 200mVpp
Av = 4
Input = Grounded
Cb = 4.7
µF
Cin = 1
µF
RL >= 16Ω
Tamb = 25°C
Frequency (Hz)
Figure 76. PSRR vs. bypass capacitor
Cb = Cin = 10 µF
100
1000
10000
100000
-60
-50
-40
-30
-20
-10
0
Vcc = 2V
Vcc = 5V, 3.3V & 2.5V
Vripple = 200mVpp
Av = 4
Input = Grounded
Cb = 10
µF
Cin = 1
µF
RL >= 16Ω
Tamb = 25°C
Frequency (Hz)
Figure 77. THD + N vs. output power RL = 8 Ω
1
10
100
0.01
0.1
1
10
Vcc=5V
Vcc=3.3V
Vcc=2.5V
Vcc=2V
RL = 8Ω
F = 20Hz
Av = 8
Cb = 1
µF
BW < 22kHz
Tamb = 25°C
Output Power (mW)
Figure 78. THD + N vs. output power RL = 16 Ω
1
10
100
0.01
0.1
1
10
Vcc=5V
Vcc=3.3V
Vcc=2.5V
Vcc=2V
RL = 16Ω
F = 20Hz
Av = 8
Cb = 1
µF
BW < 22kHz
Tamb = 25°C
Output Power (mW)
TS419, TS421
Electrical characteristics curves
DS3048 - Rev 7
page 24/42



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