FAN7031 Datasheet, PDF (9/20 Pages) Fairchild Semiconductor – 2W Stereo Power Amplifier with Four Selectable Gain Setting and Headphone Drive

Performance Characteristics(Continued)
FAN7031
+0
-10 _{VDD=3.3V+/-5%}
-20 ^RL=4ohm
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
20
50
100
200
500
1k
2k
5k
10k 20k
Frequency [Hz]
Figure 19. PSRR vs. Frequency
+0
-10 VDD=2.7V+/-5%
RL=4ohm
-20
-30
-40
-50
-60
-70
-80
-90
-100
-110
-120
20
50
100
200
500
1k
2k
5k
10k 20k
Frequency [Hz]
Figure 20. PSRR vs. Frequency
+0
-10
-20
-30
-40
-50
-60
-70
Single-ended mode
-80 _VDD=5V+/-5%
RL=32ohm
-90 _Cbyp=0.47uF
-100
20
50
100
200
500
1k
2k
Frequency [Hz]
Figure 21. PSRR vs. Frequency
5k
10k 20k
+0
-10
-20
-30
-40
-50
-60
-70
Single-ended mode
-80 _{VDD=3.3V+/-5%}
RL=32ohm
-90 _Cbyp=0.47uF
-100
20
50
100
200
500
1k
2k
5k
10k 20k
Frequency [Hz]
Figure 22. PSRR vs. Frequency
+0
-10
-20
-30
-40
-50
-60
-70
Single-ended mode
-80 _{VDD=2.7V+/-5%}
RL=32ohm
-90 _Cbyp=0.47uF
-100
20
50
100
200
500
1k
2k
Frequency [Hz]
Figure 23. PSRR vs. Frequency
5k
10k 20k
+0
-10
0.1µF
-20
0.47µF
1µF
-30
-40
-50
-60 4.7µF
-70
10µF
-80 _{Single-ended mode}
VDD=5V+/-5%
-90 _RL=32ohm
-100
20
50
100
200
500
1k
2k
5k
Frequency [Hz]
Figure 24. PSRR vs. Bybass Capacitor
10k 20k
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