Datasheet

TS4990 Electrical characteristics
Doc ID 9309 Rev 13 9/33
Figure 8. PSRR vs. power supply Figure 9. PSRR vs. power supply
100 1000 10000 100000
-70
-60
-50
-40
-30
-20
-10
0
Vcc :
2.2V
2.6V
3.3V
5V
Vripple = 200mVpp
Av = 2
Input = Grounded
Cb = Cin = 1μF
RL >= 4Ω
Tamb = 25°C
PSRR (dB)
Frequency (Hz)
100 1000 10000 100000
-50
-40
-30
-20
-10
0
Vcc :
2.2V
2.6V
3.3V
5V
Vripple = 200mVpp
Av = 10
Input = Grounded
Cb = Cin = 1μF
RL >= 4Ω
Tamb = 25°C
PSRR (dB)
Frequency (Hz)
Figure 10. PSRR vs. power supply Figure 11. PSRR vs. power supply
100 1000 10000 100000
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 2.2, 2.6, 3.3, 5V
Vripple = 200mVpp
Rfeed = 22kΩ
Input = Floating
Cb = 1μF
RL >= 4Ω
Tamb = 25°C
PSRR (dB)
Frequency (Hz)
100 1000 10000 100000
-60
-50
-40
-30
-20
-10
0
Vcc :
2.2V
2.6V
3.3V
5V
Vripple = 200mVpp
Av = 5
Input = Grounded
Cb = Cin = 1μF
RL >= 4Ω
Tamb = 25°C
PSRR (dB)
Frequency (Hz)
Figure 12. PSRR vs. power supply Figure 13. PSRR vs. power supply
100 1000 10000 100000
-60
-50
-40
-30
-20
-10
0
Vcc = 5, 3.3, 2.5 & 2.2V
Vripple = 200mVpp
Av = 2
Input = Grounded
Cb = 0.1μF, Cin = 1μF
RL >= 4Ω
Tamb = 25°C
PSRR (dB)
Frequency (Hz)
100 1000 10000 100000
-80
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 2.2, 2.6, 3.3, 5V
Vripple = 200mVpp
Rfeed = 22kΩ
Input = Floating
Cb = 0.1μF
RL >= 4Ω
Tamb = 25°C
PSRR (dB)
Frequency (Hz)