FAN7031MTFX Fairchild Semiconductor, FAN7031MTFX Datasheet - Page 10

• Manufacturer Part Number: FAN7031MTFX
• Description: Audio Amplifiers 2W Power amplifier CMOS Stereo
• Manufacturer: Fairchild Semiconductor

Specifications of FAN7031MTFX

• Product: Class-AB
• Output Power: 2.45 W
• Available Set Gain: 21.3 dB
• Thd Plus Noise: 0.2 %
• Operating Supply Voltage: 3 V, 5 V
• Maximum Operating Temperature: + 85 C
• Mounting Style: SMD/SMT
• Audio Load Resistance: 4 Ohms
• Input Signal Type: Differential
• Minimum Operating Temperature: - 40 C
• Output Signal Type: Differential, Single
• Supply Type: Single
• Supply Voltage (max): 5.5 V
• Supply Voltage (min): 2.7 V
• Output Type: 2-Channel Stereo
• Package / Case: TSSOP-20 EP
• Operational Class: Class-AB
• Audio Amplifier Output Configuration: 2-Channel Stereo
• Output Power (typ): 2.45x2@4OhmW
• Audio Amplifier Function: Headphone/Speaker
• Total Harmonic Distortion: 0.2@4Ohm@1W%
• Single Supply Voltage (typ): 3/5V
• Dual Supply Voltage (typ): Not RequiredV
• Power Supply Requirement: Single
• Rail/rail I/o Type: No
• Power Supply Rejection Ratio: 70dB
• Single Supply Voltage (min): 2.7V
• Single Supply Voltage (max): 5.5V
• Dual Supply Voltage (min): Not RequiredV
• Dual Supply Voltage (max): Not RequiredV
• Operating Temp Range: -40C to 85C
• Operating Temperature Classification: Industrial
• Mounting: Surface Mount
• Pin Count: 20
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant

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