FAN7031 Fairchild Semiconductor, FAN7031 Datasheet - Page 10

• Manufacturer Part Number: FAN7031
• Description: 2W Stereo Power Amplifier with Four Selectable Gain Setting and Headphone Drive
• Manufacturer: Fairchild Semiconductor

FAN7031
Performance Characteristics
10
+20
+20
+15
+15
+10
+10
+20
+20
+15
+15
+10
+10
+5
+5
+0
+0
+5
+5
+0
+0
25.0n
25.0n
20.0n
20.0n
15.0n
15.0n
10.0n
10.0n
5.0n
5.0n
20
20
20
20
0.0
0.0
Figure 29. Shutdown Current vs. Supply Voltage
VDD=5V
VDD=5V
No load
No load
Cin=0.47uF
Cin=0.47uF
VDD=2.7V
VDD=2.7V
No load
No load
Cin=0.47uF
Cin=0.47uF
-1
-1
Figure 25. BTL Mode Gain vs. Frequency
Figure 27. BTL Mode Gain vs. Frequency
50
50
50
50
0
0
100
100
100
100
1
1
200
200
200
200
2
2
G0=VDD, G1=VDD
G0=VDD, G1=VDD
G0=VDD, G1=GND
G0=VDD, G1=GND
G0=GND, G1=VDD
G0=GND, G1=VDD
G0=GND, G1=GND
G0=GND, G1=GND
G0=VDD, G1=VDD
G0=VDD, G1=VDD
G0=VDD, G1=GND
G0=VDD, G1=GND
G0=GND, G1=VDD
G0=GND, G1=VDD
G0=GND, G1=GND
G0=GND, G1=GND
Supply Voltage [V]
Supply Voltage [V]
3
3
500
500
500
500
Frequency [Hz]
Frequency [Hz]
Frequency [Hz]
Frequency [Hz]
4
4
1k
1k
1k
1k
5
5
2k
2k
2k
2k
6
6
(Continued)
5k
5k
5k
5k
7
7
10k
10k
10k
10k
8
8
20k
20k
20k
20k
+20
+20
+15
+15
+10
+10
+5
+5
+0
+0
6.0m
6.0m
5.0m
5.0m
4.0m
4.0m
3.0m
3.0m
2.0m
2.0m
1.0m
1.0m
8.0m
8.0m
6.0m
6.0m
4.0m
4.0m
2.0m
2.0m
20
20
0.0
0.0
0.0
0.0
VDD=3.3V
VDD=3.3V
No load
No load
Cin=0.47uF
Cin=0.47uF
Figure 26. BTL Mode Gain vs. Frequency
Figure 30. IDD vs. Shutdown Pin Voltage
0
0
0
0
50
50
Figure 28. IDD vs. Supply Voltage
VDD=2.7V
VDD=2.7V
100
100
1
1
1
1
200
200
G0=GND, G1=GND
G0=GND, G1=GND
G0=VDD, G1=VDD
G0=VDD, G1=VDD
G0=VDD, G1=GND
G0=VDD, G1=GND
G0=GND, G1=VDD
G0=GND, G1=VDD
2
2
Supply Voltage [V]
Supply Voltage [V]
Shutdown Pin Voltage [V]
Shutdown Pin Voltage [V]
2
2
500
500
Frequency [Hz]
Frequency [Hz]
1k
1k
3
3
3
3
2k
2k
VDD=3.3V
VDD=3.3V
4
4
4
4
VDD=5V
VDD=5V
5k
5k
5
5
10k
10k
5
5
20k
20k