TS4872IJT View Datasheet(PDF) - STMicroelectronics
Part Name
Description
Manufacturer
TS4872IJT Datasheet PDF : 29 Pages
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TS4872
Fig. 10 : Power Supply Rejection Ratio (PSRR)
vs Power Supply
Fig. 11 : Power Supply Rejection Ratio (PSRR)
vs Feedback Capacitor
-30
Rfeed = 22kΩ
Cb = 1µF & 0.1µF
-40 Input = floating
RL = 8Ω
Tamb = 25°C
-50
Vcc=3.3V
Ripple=100mVrms
-60
Vcc=5V
Ripple=200mVrms
-70
Vcc=2.6V
Ripple=200mVrms
-80
10
100
1000
10000
Frequency (Hz)
100000
-10
Vcc = 5V
-20 Cb = 1µF & 0.1µF
Rfeed = 22kΩ
-30 Rfeed = 22kΩ
Vripple = 200mVms
-40 Input = floating
RL = 8Ω
-50 Tamb = 25°C
Cfeed=0
Cfeed=150pF
Cfeed=330pF
-60
-70
Cfeed=680pF
-80
10
100
1000
10000
Frequency (Hz)
100000
) Fig. 12 : Power Supply Rejection Ratio (PSRR)
t(s vs Bypass Capacitor
uc -10
d Cb=1µF
Vcc = 5 & 2.6V
ro -20
Rfeed = 22k
Cb=10µF Rin = 22k, Cin = 1µF
P -30
Rg = 100Ω, RL = 8Ω
Tamb = 25°C
te -40
le Cb=47µF
-50
so -60
Ob -70
- Cb=100µF
-80
t(s) 10
100
1000
10000
Frequency (Hz)
100000
Fig. 13 : Power Supply Rejection Ratio (PSRR)
vs Input Capacitor
-10
Cin=1µF
Cin=330nF
-20
Cin=220nF
-30
Vcc = 5 & 2.6V
Rfeed = 22k, Rin = 22k
Cb = 1µF
Rg = 100Ω, RL = 8Ω
Tamb = 25°C
-40
Cin=100nF
-50
Cin=22nF
-60
10
100
1000
10000
Frequency (Hz)
100000
duc Fig. 14 : Power Supply Rejection Ratio (PSRR)
ro vs Feedback Resistor
te P -10
leVcc = 5V
-20 Cb = 1µF & 0.1µF
oVripple = 200mVrms
s-30 Input = floating
b RL = 8Ω
O -40 Tamb = 25°C
Rfeed=110kΩ
Rfeed=47kΩ
-50
Rfeed=22kΩ
-60
-70
-80
10
Rfeed=10kΩ
100
1000
10000
Frequency (Hz)
100000
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