N1_Hardware_User_Guide
Copyright © Neoway Technology Co., Ltd
39
Figure 5-3 shows the reference design of the headphone circuit.
Figure 5-3
Reference design of headphone without FM
3
4
1
5
2
V
V
10K
1000
Ω
±25%
(
@100MHz
)
1000
Ω
±25%
(
@100MHz
)
1000
Ω
±25%
(
@100MHz
)
1000
Ω
±25%
(
@100MHz
)
10
00
Ω
±2
5%
(
@
10
0M
H
z
)
1000
Ω
±25%
(
@100MHz
)
V
10K
33pF
47
0p
F
A
V
L
-5
.5
V
-1
00
P
F
A
V
L
-5
.5
V
-1
00
P
F
A
V
L
-5
.5
V
-1
00
P
F
47
0p
F
DNI-33pF
P
E
S
D
5V
0S
1B
L
Headphone connector
MIC2_P
CDC_HPH_R
CDC_HPH_L
CDC_HS_DET
CDC_HPH_REF
Figure 5-4 shows the circuits of headphone out of position and in position.
Figure 5-4
Headphone interface