FAN7031 Datasheet, PDF (5/20 Pages) Fairchild Semiconductor – 2W Stereo Power Amplifier with Four Selectable Gain Setting and Headphone Drive

FAN7031
Electrical Characteristics
(VDD = 5.0V, Ta = 25°C, unless otherwise specified)
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
Offset Voltage
VOFF RL=4Ω, Av=6dB
-25 - 25 mV
Supply Current
IDD No Input, No Load
- 5.5 10 mA
Shutdown Current
ISD SD = GND
- 0.04 4 µA
Output Power
THD+N =1%, RL = 4Ω, f = 1kHz
- 1.85 -
W
PO _{THD+N =10%, RL = 4Ω, f = 1kHz}
- 2.45 -
W
SE/BTL=GND, G0=GND, G1=GND,
Vin=4Vpp, No Load
-
6
- dB
BTL Mode Gain
SE/BTL=GND, G0=GND, G1=VDD,
Vin=2.44Vpp, No Load
-
10.3
-
dB
Av
SE/BTL=GND, G0=VDD, G1=GND,
Vin=1.34Vpp, No Load
-
15.6
-
dB
SE/BTL=GND, G0=VDD, G1=VDD,
Vin=0.66Vpp, No Load
-
21.3
-
dB
SE Mode Gain
SE/BTL=VDD,
Vin=2.44Vpp, No Load
- 4.3 - dB
Total Harmonic Distortion + Noise THD+N PO = 1W, RL=4Ω, f = 20kHz
- 0.2 0.75 %
Power Supply Rejection Ratio
PSRR
Cbyp = 0.47µF, RL=4Ω, BTL Mode,
∆VDD=500mVpp, f = 1kHz
40
70
-
dB
Electrical Characteristics (Continued)
(VDD = 3.3 V, Ta = 25°C, unless otherwise specified)
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
Offset Voltage
VOFF RL=4Ω, Av=6dB
-25 - 25 mV
Supply Current
IDD No Input, No Load
- 4.3 8 mA
Shutdown Current
ISD SD = GND
- 0.08 4 µA
Output Power
PO THD+N =10%, RL = 4Ω, f=1kHz
- 1.02 -
W
Total Harmonic Distortion + Noise THD+N PO = 0.5W, RL = 4Ω, f = 20kHz
- 0.2 0.75 %
Power Supply Rejection Ratio
PSRR
Cbyp = 0.47µF, RL=4Ω, BTL Mode,
∆VDD=330mVpp, f = 1kHz
40
70
-
dB
Electrical Characteristics (Continued)
(VDD = 2.7 V, Ta = 25°C, unless otherwise specified)
Parameter
Symbol
Conditions
Min. Typ. Max. Unit
Offset Voltage
VOFF RL=4Ω, Av=6dB
-25 - 25 mV
Supply Current
IDD No Input, No Load
- 4.1 7 mA
Shutdown Current
ISD SD = GND
- 0.04 4 µA
Output Power
PO THD+N =10%, RL = 4Ω, f=1kHz
- 0.54 -
W
Total Harmonic Distortion + Noise THD+N PO = 0.25W, RL = 4Ω, f = 20kHz
- 0.2 0.75 %
Power Supply Rejection Ratio
PSRR
Cbyp = 0.47µF, RL=4Ω, BTL Mode,
∆VDD=270mVpp, f = 1kHz
-
65
-
dB
5