PA4867 Datasheet, PDF (5/7 Pages) UMC Corporation – DUAL 2.1W AUDIO AMPLIFIER PLUS STEREO HEADPHONE FUNCTION

PA4867
„ TYPICAL CHARACTERISTICS

CMOS IC
THD+N vs. Output Power
10
V_DD=5V, R_L=8Ȥ
Bridged Load
A_VD=2,BW<80kHz
1
f=20Hz
0.1
f=20kHz






THD+N vs. Output Power
10
V_DD=5V, R_L=16Ȥ
Single Ended
A_V= -1, BW<80kHz
1
f=20kHz
0.1 _f=20Hz
f=1kHz
0.010
10m
0.1
12
Output Power (W)
2
1.75
1.5
1.25
Output Power vs. Supply Voltage
f=1kHz
R_L=8Ω
Bridged Load
BW<80kHz
1
0.75 10% THD+N
0.5
1% THD+N
0.25
0
2 2.5 3 3.5 4 4.5 5 5.5
Supply Voltage (V)
f=1kHz
0.010
10m
0.1
0.5
Output Power (W)






Output Power vs. Load Resistance
1.75
V_DD=5V
1.5
f=1kHz
1.25
1
A_VD=2
Bridged Load
BW<80kHz
0.75
10% THD+N
0.5
0.25 _{1% THD+N}
08 _{10 20 30 40 50 60}
Load Resistance (Ω)
70


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