FAN7031MTFX Fairchild Semiconductor, FAN7031MTFX Datasheet - Page 7

• 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

Performance Characteristics
0.005
0.005
0.002
0.002
0.001
0.001
0.05
0.05
0.05
0.02
0.02
0.02
0.01
0.01
0.01
0.05
0.05
0.02
0.02
0.01
0.01
0.05
0.05
0.02
0.02
0.01
0.01
0.5
0.5
0.5
0.2
0.2
0.2
0.1
0.1
0.1
0.5
0.5
0.2
0.2
0.1
0.1
0.5
0.5
0.2
0.2
0.1
0.1
10
10
10
10
10
10
10
10m
10m
10m
100u
100u
5
5
5
2
2
2
1
1
1
5
5
2
2
1
1
5
5
2
2
1
1
20
20
1kHz
1kHz
VDD=5V
VDD=5V
Output power =1W
Output power =1W
RL=4ohm
RL=4ohm
Single-ended mode
Single-ended mode
VDD=5V
VDD=5V
RL=32ohm
RL=32ohm
Av=4.3dB
Av=4.3dB
200u
200u
20m
20m
20m
20kHz
20kHz
50
50
Figure 7. THD+N vs. Output Power
Figure 11. THD+N vs. Frequency
500u
500u
6dB
6dB
Figure 9. THD+N vs. Gain
100
100
50m
50m
50m
1m
1m
21.6dB
21.6dB
10.3dB
10.3dB
200
200
1kHz
1kHz
2m
2m
Output Power [W]
Output Power [W]
Output Power [W]
100m
100m
100m
20kHz
20kHz
15.6dB
15.6dB
Output Power [W]
Output Power [W]
500
500
15.6dB
15.6dB
Frequency [Hz]
Frequency [Hz]
5m
5m
200m
200m
200m
10.3dB
10.3dB
1k
1k
10m
10m
21.6dB
21.6dB
2k
2k
20Hz
20Hz
6dB
6dB
20m
20m
500m
500m
500m
(Continued)
5k
5k
50m
50m
BTL mode
BTL mode
VDD=3.3V
VDD=3.3V
RL=4ohm
RL=4ohm
1
1
1
10k
10k
100m
100m
200m
200m
20k
20k
2
2
2
0.005
0.005
0.002
0.002
0.001
0.001
0.05
0.05
0.05
0.02
0.02
0.02
0.01
0.01
0.01
0.05
0.05
0.05
0.02
0.02
0.02
0.01
0.01
0.01
0.05
0.05
0.02
0.02
0.01
0.01
0.5
0.5
0.2
0.2
0.1
0.1
0.5
0.5
0.5
0.2
0.2
0.2
0.1
0.1
0.1
0.5
0.5
0.5
0.2
0.2
0.2
0.1
0.1
0.1
10
10
10
10
10
10
10
10
10m
10m
10m
10m
10m
10m
5
5
2
2
1
1
5
5
5
2
2
2
1
1
1
5
5
5
2
2
2
1
1
1
20
20
1kHz
1kHz
1kHz
1kHz
VDD=3.3V
VDD=3.3V
Output power = 500mW
Output power = 500mW
RL=4ohm
RL=4ohm
20m
20m
20m
20kHz
20kHz
20kHz
20kHz
50
50
20m
20m
20m
Figure 12. THD+N vs. Frequency
6dB
6dB
6dB
6dB
Figure 10. THD+N vs. Gain
Figure 8. THD+N vs. Gain
100
100
50m
50m
50m
21.6dB
21.6dB
10.3dB
10.3dB
21.6dB
21.6dB
200
200
10.3dB
10.3dB
50m
50m
50m
100m
100m
100m
Output Power [W]
Output Power [W]
Output Power [W]
15.6dB
15.6dB
15.6dB
15.6dB
Output Power [W]
Output Power [W]
Output Power [W]
500
500
15.6dB
15.6dB
100m
100m
100m
15.6dB
15.6dB
Frequency [Hz]
Frequency [Hz]
200m
200m
200m
10.3dB
10.3dB
1k
1k
10.3dB
10.3dB
200m
200m
200m
21.6dB
21.6dB
21.6dB
21.6dB
2k
2k
6dB
6dB
500m
500m
500m
6dB
6dB
BTL mode
BTL mode
VDD=5V
VDD=5V
RL=4ohm
RL=4ohm
5k
5k
1
1
1
BTL mode
BTL mode
VDD=2.7V
VDD=2.7V
RL=4ohm
RL=4ohm
500m
500m
500m
FAN7031
10k
10k
2
2
2
20k
20k
1
1
1
3
3
3
7