FAN7031MTFX Fairchild Semiconductor, FAN7031MTFX Datasheet - Page 9

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