APA2051 Datasheet, PDF (10/32 Pages) Anpec Electronics Coropration – 2.4W Stereo Audio Power Amplifier (with Gain Setting) & Capfree Headphone Driver

APA2051
Typical Operating Characteristics (Cont.)
THD+N vs. Output Voltage
10 _T
V_DD =5V
HV_DD=3.3V
f_in=1kHz
C_in=3.3µF
1 BW<80kHz
HP mode
R_L=300Ω
R_L=32Ω
0.1
0.01
R_L=16Ω
0.001
0
R_L=10kΩ
0.5
1
1.5
2
2.5
3
Output Voltage (Volt)
THD+N vs. Output Power
10
V_DD=5V
HV_DD=3.3V
R_L=16Ω
R_in=39kΩ
C_in=3.3µF
f_in=1kHz
1 BW<80kHz
HP mode
Stereo, in phase
0.1
Stereo, 180^O
out of phase
0.01
0
Mono
50m
100m 150m
Output Power (W)
200m
250m
Crosstalk vs. Frequency
+0
V_DD=5V
-10 ^HVDD=3.3V
R_L=16Ω
-20 ^Rin^=39kΩ
C_in=3.3µF
-30 ^PO^=125mW
HP mode
-40
-50
-60
-70
Right to Left
-80
Left to Right
-90
-10020
100
1k
Frequency (Hz)
10k 20k
Copyright © ANPEC Electronics Corp.
10
Rev. A.4 - Aug., 2009
THD+N vs. Output Power
10
V_DD =5V
HV_DD=3.3V
R_L=16Ω
R_in=39kΩ
C_in=3.3µF
BW<80kHz
1 _{HP mode}
f_in=20kHz
0.1
f_in=20Hz
0.01
1m
f_in=1kHz
10m
100m
Output Power (W)
300m
THD+N vs. Frequency
10
V_DD =5V
HV_DD=3.3V
R_L=16Ω
R_in=39kΩ
C_in=3.3µF
1 ^PO^=125mW
HP mode
0.1
BW<80kHz
0.01
0.005
20
BW<22kHz
100
1k
Frequency (Hz)
10k 20k
Output Noise Voltage vs. Frequency
100µ
Right channel
Left channel
10µ
V_DD =5V
HV_DD =3.3V
R_L=16Ω
R_in=39kΩ
C_in=3.3µF
A-weighting
1µ ^{HP mode}
20
100
1k
Frequency (Hz)
10k 20k
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