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Número de pieza
componentes Descripción
APA2178 Ver la hoja de datos (PDF) - Anpec Electronics
Número de pieza
componentes Descripción
Fabricante
APA2178
100mW Stereo Cap-Free Headphone Driver
Anpec Electronics
APA2178 Datasheet PDF : 30 Pages
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APA2178
Typical Operating Characteristics (Cont.)
Crosstalk vs. Frequency
+0
-10
-20
V
DD
=3.3V
R
L
=10k
Ω
C
in
=1
µ
F
-30 V
O
=0.23Vrms
-40
BW<80kHz
-50
-60
-70
-80
-90
Left to Right
-100
-110
Right to Left
-120
20
100
1k
10k 20k
Frequency (Hz)
THD+N vs. Output Voltage
10
V
DD
=1.8V
f
in
=1kHz
C
in
=1
µ
F
1 BW<80kHz
R
L
=300
Ω
0.1
R
L
=32
Ω
0.01
0.001
0
400m 800m
R
L
=10k
Ω
1.2
1.6
Output Voltage (V)
THD+N vs. Output Power
10
V
DD
=1.8V
f
in
=1kHz
R
L
=32
Ω
C
in
=1
µ
F
1
BW<80kHz
Stereo, in
Phase
Stereo, 180
o
out of Phase
0.1
Mono
0.010
6m 12m 18m 24m 30m 36m
Output Power (W)
Copyright
©
ANPEC Electronics Corp.
Rev. A.3 - Jul., 2009
Output Noise Voltage vs. Frequency
50
µ
10
µ
V
DD
=3.3V
R
L
=10k
Ω
C
in
=1
µ
F
1
µ
A-Weighting
20
100
1k
Frequency (Hz)
10k 20k
THD+N vs. Output Power
10
V
DD
=1.8V
R
L
=32
Ω
C
in
=1
µ
F
BW<80kHz
1
f
in
=20kHz
0.1
0.01
1m
f
in
=1kHz
f
in
=20Hz
10m
Output Power (W)
60m
THD+N vs. Frequency
10
V
DD
=1.8V
R
L
=32
Ω
1
C
in
=1
µ
F
P
O
=9mW
BW<22kHz
0.1
0.01
Left Channel
Right Channel
0.001
20
100
1k
Frequency (Hz)
10k 20k
13
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