FAN7031MTFX Fairchild Semiconductor, FAN7031MTFX Datasheet - Page 11

• 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
5.5m
5.5m
5.0m
5.0m
4.5m
4.5m
4.0m
4.0m
3.5m
3.5m
3.0m
3.0m
4.5m
4.5m
4.0m
4.0m
3.5m
3.5m
3.0m
3.0m
2.5m
2.5m
1.4
1.4
1.2
1.2
1.0
1.0
0.8
0.8
0.6
0.6
0.4
0.4
0.2
0.2
0.0
0.0
Figure 35. Power Dissipation vs. Output Power
0.0
0.0
VDD=2.7V
VDD=2.7V
VDD=5V
VDD=5V
0.0
0.0
0
0
Figure 31. IDD vs. SE/BTL Pin Voltage
Figure 33. IDD vs. SE/BTL Pin Voltage
BTL mode
BTL mode
BTL mode
BTL mode
VDD=2.7V
VDD=2.7V
0.5
0.5
1
1
0.5
0.5
1.0
1.0
SE/BTL Pin Voltage [V]
SE/BTL Pin Voltage [V]
VDD=3.3V
VDD=3.3V
SE/BTL Pin Voltage [V]
SE/BTL Pin Voltage [V]
Output Power [W]
Output Power [W]
2
2
1.0
1.0
1.5
1.5
3
3
2.0
2.0
THD less than 1%
THD less than 1%
RL=4ohm
RL=4ohm
f=1kHz
f=1kHz
Single-Ended
Single-Ended
mode
mode
VDD=5V
VDD=5V
1.5
1.5
(Continued)
4
4
Single-Ended
Single-Ended
mode
mode
2.5
2.5
5
5
2.0
2.0
3.0
3.0
0.7
0.7
0.6
0.6
0.5
0.5
0.4
0.4
0.3
0.3
0.2
0.2
0.1
0.1
0.0
0.0
3.0
3.0
2.5
2.5
2.0
2.0
1.5
1.5
1.0
1.0
0.5
0.5
0.0
0.0
4.5m
4.5m
4.0m
4.0m
3.5m
3.5m
3.0m
3.0m
2.5m
2.5m
2.5
2.5
Figure 34. Power Dissipation vs. Output Power
-0.5
-0.5
Figure 36. Output Power vs. Supply Voltage
0.0
0.0
BTL mode
BTL mode
f=1kHz
f=1kHz
RL=4ohm
RL=4ohm
VDD=3.3V
VDD=3.3V
0.0
0.0
Figure 32. IDD vs. SE/BTL Pin Voltage
3.0
3.0
BTL mode
BTL mode
0.5
0.5
VDD=2.7V
VDD=2.7V
3.5
3.5
10% THD+N
10% THD+N
0.5
0.5
1.0
1.0
Supply Voltage [V]
Supply Voltage [V]
SE/BTL Pin Voltage [V]
SE/BTL Pin Voltage [V]
VDD=3.3V
VDD=3.3V
Output Power [W]
Output Power [W]
4.0
4.0
1.5
1.5
2.0
2.0
4.5
4.5
1% THD+N
1% THD+N
1.0
1.0
THD less than 1%
THD less than 1%
RL=8ohm
RL=8ohm
f=1kHz
f=1kHz
2.5
2.5
Single-Ended
Single-Ended
mode
mode
5.0
5.0
VDD=5V
VDD=5V
3.0
3.0
FAN7031
3.5
3.5
5.5
5.5
11
1.5
1.5