Datasheet

TS4990 Electrical characteristics
Doc ID 9309 Rev 13 11/33
Figure 20. PSRR vs. DC output voltage Figure 21. PSRR vs. DC output voltage
-2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5
-70
-60
-50
-40
-30
-20
-10
0
Vcc = 2.6V
Vripple = 200mVpp
RL = 8 Ω
Cb = 1 μ F
AV = 2
Tamb = 25 ° C
PSRR (dB)
Differential DC Output Voltage (V)
-2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5
-50
-40
-30
-20
-10
0
Vcc = 2.6V
Vripple = 200mVpp
RL = 8 Ω
Cb = 1 μ F
AV = 10
Tamb = 25 ° C
PSRR (dB)
Differential DC Output Voltage (V)
Figure 22. Output power vs. power supply
voltage
Figure 23. PSRR vs. DC output voltage
2.5 3.0 3.5 4.0 4.5 5.0 5.5
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
2.2
2.4
THD+N=10%
RL = 4Ω
F = 1kHz
BW < 125kHz
Tamb = 25°C
THD+N=1%
Output power (W)
Vcc (V)
-2.5 -2.0 -1.5 -1.0 -0.5 0.0 0.5 1.0 1.5 2.0 2.5
-60
-50
-40
-30
-20
-10
0
Vcc = 2.6V
Vripple = 200mVpp
RL = 8 Ω
Cb = 1 μ F
AV = 5
Tamb = 25 ° C
PSRR (dB)
Differential DC Output Voltage (V)
Figure 24. PSRR at F = 217 Hz vs.
bypass capacitor
Figure 25. Output power vs. power supply
voltage
0.1 1
-80
-70
-60
-50
-40
-30
Av=10
Vcc:
2.6V
3.3V
5V
Av=5
Vcc:
2.6V
3.3V
5V
Av=2
Vcc:
2.6V
3.3V
5V
Tamb=25 ° C
PSRR at 217Hz (dB)
Bypass Capacitor Cb ( F)
2.5 3.0 3.5 4.0 4.5 5.0 5.5
0.0
0.2
0.4
0.6
0.8
1.0
1.2
1.4
1.6
1.8
2.0
THD+N=10%
RL = 8Ω
F = 1kHz
BW < 125kHz
Tamb = 25°C
THD+N=1%
Output power (W)
Vcc (V)