TS4900
Fig. 10 : Power Supply Rejection Ratio (PSRR)
vs Power supply
Fig. 11 : Power Supply Rejection Ratio (PSRR)
vs Feedback Capacitor
-30
-10
Vripple = 200mVrms
Rfeed = 22Ω
-40 Input = floating
RL = 8Ω
Tamb = 25°C
-50
Vcc = 5V, 3.3V & 2.6V
-60
Cb = 1µF & 0.1µF
Vcc = 5, 3.3 & 2.6V
-20 Cb = 1µF & 0.1µF
Rfeed = 22kΩ
-30 Vripple = 200mVrms
Input = floating
-40 RL = 8Ω
Tamb = 25°C
-50
Cfeed=0
Cfeed=150pF
Cfeed=330pF
-60
-70
t(s) -80
10
100
1000
10000
Frequency (Hz)
100000
-70
-80
10
Cfeed=680pF
100
1000
10000
Frequency (Hz)
100000
roduc ) Fig. 12 : Power Supply Rejection Ratio (PSRR)
P t(s vs Bypass Capacitor
lete uc -10
d Cb=1µF
Vcc = 5, 3.3 & 2.6V
so ro -20
Rfeed = 22k
Cb=10µF Rin = 22k, Cin = 1µF
b P -30
Rg = 100Ω, RL = 8Ω
Tamb = 25°C
- O te -40
Cb=47µF
) le -50
t(s so -60
uc Ob -70 Cb=100µF
d - -80
Pro t(s) 10
100
1000
10000
Frequency (Hz)
100000
Fig. 13 : Power Supply Rejection Ratio (PSRR)
vs Input Capacitor
-10
Cin=1µF
Vcc = 5, 3.3 & 2.6V
-20
Cin=330nF
Cin=220nF
Rfeed = 22kΩ, Rin = 22k
Cb = 1µF
Rg = 100Ω, RL = 8Ω
-30
Tamb = 25°C
-40
Cin=100nF
-50
Cin=22nF
-60
10
100
1000
10000
Frequency (Hz)
100000
lete uc Fig. 14 : Power Supply Rejection Ratio (PSRR)
d vs Feedback Resistor
bso Pro -10
O te Vcc = 5, 3.3 & 2.6V
le -20 Cb = 1µF & 0.1µF
Vripple = 200mVrms
o-30 Input = floating
s RL = 8Ω
Ob -40 Tamb = 25°C
Rfeed=110kΩ
Rfeed=47kΩ
-50
-60
-70
-80
10
Rfeed=22kΩ
Rfeed=10kΩ
100
1000
10000
Frequency (Hz)
100000
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