APA2051 Datasheet, PDF (11/32 Pages) Anpec Electronics Coropration – 2.4W Stereo Audio Power Amplifier (with Gain Setting) & Capfree Headphone Driver

APA2051
Typical Operating Characteristics (Cont.)
Frequency Response
+0.2
+190
+0.1
Gain
+185
Phase
-0
V_DD=5V
-0.1
HV_DD=3.3V
R_L=16Ω
R_in=39kΩ
C_in=3.3µF
P_O=28mW
HP mode
-0.2
10
100
1k
10k
Frequency (Hz)
+180
+175
+170
100k 200k
THD+N vs. Output Power
10
V_DD=5V
HV_DD=3.3V
R_L=32Ω
R_in=39kΩ
C_in=3.3µF
1
f_in=1kHz
BW<80kHz
HP mode
0.1
Stereo, in phase
Stereo, 180^o
out of phase
Mono
0.01
0
50m
100m
150m
Output Power (W)
200m
Crosstalk vs. Frequency
+0
V_DD=5V
-10 ^HVDD^=3.3V
R_L=32Ω
-20 ^Rin^=39kΩ
C_in=3.3µF
-30 PO=88mW
HP mode
-40
-50
-60
-70
Right to Left
-80
-90
Left to Right
-100
20
100
1k
Frequency (Hz)
10k 20k
Copyright © ANPEC Electronics Corp.
11
Rev. A.4 - Aug., 2009
THD+N vs. Output Power
10
V_DD=5V
HV_DD=3.3V
R_L=32Ω
R_in=39kΩ
C_in=3.3µF
BW<80kHz
1 HP mode
0.1
0.01
1m
f_in=20kHz
f_in=20Hz
f_in=1kHz
10m
100m 200m
Output Power (W)
THD+N vs. Frequency
10
V_DD=5V
HV_DD=3.3V
R_L=32Ω
R_in=39kΩ
1 ^Cin^=3.3µF
P_O=88mW
HP mode
0.1
BW<80kHz
0.01
BW<22kHz
0.001
20
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=32Ω
R_in=39kΩ
C_in=3.3µF
A-weighting
1µ ^{HP mode}
20
100
1k
Frequency (Hz)
10k 20k
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