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TS419 数据表(PDF) 20 Page - STMicroelectronics

部件名 TS419
功能描述  360 mW mono amplifier with standby mode
PDF  42 Pages
Scroll/Zoom Zoom In 100%  Zoom Out
制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS419 数据表(HTML) 20 Page - STMicroelectronics

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Figure 49. Noise floor Vcc = 5 V
100
1000
10000
0
10
20
30
Standby=OFF
Standby=ON
RL>=16
Ω
Vcc=5V
Av=2
Cb = 1
µF
Input Grounded
Bw < 125kHz
Tamb=25°C
20k
20
Frequency (Hz)
Figure 50. Noise floor Vcc = 2 V
100
1000
10000
0
10
20
30
Standby=OFF
Standby=ON
RL>=16Ω
Vcc=2V
Av=2
Cb = 1µF
Input Grounded
Bw < 125kHz
Tamb=25°C
20k
20
Frequency (Hz)
Figure 51. PSRR vs. input capacitor
100
1000
10000
100000
-70
-60
-50
-40
-30
-20
-10
0
Cin = 100nF
Cin = 1
µF, 220nF
Vripple = 200mVpp
Av = 2, Vcc = 5V
Input = grounded
Cb = 1
µF, Rin = 20kΩ
RL >= 16
Ω
Tamb = 25°C
Frequency (Hz)
Figure 52. PSRR vs. power supply voltage
100
1000
10000
100000
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 2V
Vcc = 5V, 3.3V & 2.5V
Vripple = 100mVrms
Rfeed = 20k
Ω
Input = floating
Cb = 1
µF
RL >= 16
Ω
Tamb = 25°C
Frequency (Hz)
Figure 53. PSRR vs. bypass capacitor
Cb = Cin = 1 µF
100
1000
10000
100000
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 2V
Vcc = 5V, 3.3V & 2.5V
Vripple = 200mVpp
Av = 2
Input = Grounded
Cb = Cin = 1
µF
RL >= 16
Ω
Tamb = 25°C
Frequency (Hz)
Figure 54. PSRR vs. bypass capacitor Cb = 4.7 µF
100
1000
10000
100000
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 2V
Vcc = 5V, 3.3V & 2.5V
Vripple = 200mVpp
Av = 2
Input = Grounded
Cb = 4.7
µF
Cin = 1
µF
RL >= 16
Ω
Tamb = 25°C
Frequency (Hz)
TS419, TS421
Electrical characteristics curves
DS3048 - Rev 7
page 20/42



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