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TS4872 数据表(PDF) 8 Page - STMicroelectronics

部件名 TS4872
功能描述  RAIL TO RAIL INPUT/OUTPUT 1W AUDIO POWER AMPLIFIER WITH STANDBY MODE
PDF  29 Pages
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制造商  STMICROELECTRONICS [STMicroelectronics]
网页  http://www.st.com
标志 STMICROELECTRONICS - STMicroelectronics

TS4872 数据表(HTML) 8 Page - STMicroelectronics

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Fig. 10 : Power Supply Rejection Ratio (PSRR)
vs Power Supply
Fig. 12 : Power Supply Rejection Ratio (PSRR)
vs Bypass Capacitor
Fig. 14 : Power Supply Rejection Ratio (PSRR)
vs Feedback Resistor
Fig. 11 : Power Supply Rejection Ratio (PSRR)
vs Feedback Capacitor
Fig. 13 : Power Supply Rejection Ratio (PSRR)
vs Input Capacitor
10
100
1000
10000
100000
-80
-70
-60
-50
-40
-30
Vcc=3.3V
Ripple=100mVrms
Vcc=2.6V
Ripple=200mVrms
Vcc=5V
Ripple=200mVrms
Rfeed = 22k
Ω
Cb = 1
µF & 0.1µF
Input = floating
RL = 8
Ω
Tamb = 25
°C
Frequency (Hz)
10
100
1000
10000
100000
-80
-70
-60
-50
-40
-30
-20
-10
Cb=100
µF
Cb=47
µF
Cb=10
µF
Cb=1
µF
Vcc = 5 & 2.6V
Rfeed = 22k
Rin = 22k, Cin = 1
µF
Rg = 100
Ω, RL = 8Ω
Tamb = 25
°C
Frequency (Hz)
10
100
1000
10000
100000
-80
-70
-60
-50
-40
-30
-20
-10
Rfeed=10k
Ω
Rfeed=22k
Ω
Rfeed=47k
Ω
Rfeed=110k
Ω
Vcc = 5V
Cb = 1
µF & 0.1µF
Vripple = 200mVrms
Input = floating
RL = 8
Ω
Tamb = 25
°C
Frequency (Hz)
10
100
1000
10000
100000
-80
-70
-60
-50
-40
-30
-20
-10
Vcc = 5V
Cb = 1
µF & 0.1µF
Rfeed = 22k
Ω
Rfeed = 22k
Ω
Vripple = 200mVms
Input = floating
RL = 8
Ω
Tamb = 25
°C
Cfeed=680pF
Cfeed=330pF
Cfeed=150pF
Cfeed=0
Frequency (Hz)
10
100
1000
10000
100000
-60
-50
-40
-30
-20
-10
Cin=22nF
Cin=100nF
Cin=220nF
Cin=330nF
Cin=1
µF
Vcc = 5 & 2.6V
Rfeed = 22k, Rin = 22k
Cb = 1
µF
Rg = 100
Ω, RL = 8Ω
Tamb = 25
°C
Frequency (Hz)



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