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Número de pieza
componentes Descripción
APA2178HA Ver la hoja de datos (PDF) - Anpec Electronics
Número de pieza
componentes Descripción
Fabricante
APA2178HA
100mW Stereo Cap-Free Headphone Driver
Anpec Electronics
APA2178HA Datasheet PDF : 30 Pages
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APA2178
Typical Operating Characteristics (Cont.)
THD+N vs. Output Power
10
V
DD
=4.5V
R
L
=32
Ω
C
in
=1
µ
F
BW<80kHz
1
f
in
=20kHz
0.1
f
in
=1kHz
0.01
f
in
=20Hz
1m
10m
100m
Output Power (W)
300m
THD+N vs. Frequency
10
V
DD
=4.5V
R
L
=32
Ω
C
in
=1
µ
F
1 P
O
=100mW
BW<22kHz
0.1
0.01
0.00120
Left Channel
Right Channel
100
1k
Frequency (Hz)
10k 20k
Output Noise Voltage vs. Frequency
50
µ
10
µ
V
DD
=4.5V
R
L
=32
Ω
C
in
=1
µ
F
A-Weighting
1
µ
20
100
1k
Frequency (Hz)
10k 20k
Copyright
©
ANPEC Electronics Corp.
Rev. A.3 - Jul., 2009
THD+N vs. Output Power
10
V
DD
=4.5V
f
in
=1kHz
R
L
=32
Ω
C
in
=1
µ
F
1
BW<80kHz
Stereo, in
Phase
0.1
Stereo, 180
o
out of Phase
Mono
0.01
0
70m 140m 210m 280m 350m
Output Power (W)
Crosstalk vs. Frequency
+0
-10
-20
V
DD
=4.5V
R
L
=32
Ω
C
in
=1
µ
F
-30 P
O
=15mW
-40
BW<80kHz
-50
-60
-70
-80
Left to Right
-90
-100
Right to Left
-110
-120
20
100
1k
Frequency (Hz)
10k 20k
THD+N vs. Output Voltage
10
V
DD
=4.5V
R
L
=300
Ω
1
C
in
=1
µ
F
BW<80kHz
0.1
f
in
=20kHz
0.01
f
in
=1kHz
0.001
0
800m
f
in
=20Hz
1.6 2.4
3.2 4
Output Voltage (V)
8
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