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AS3415 Datasheet(PDF) 84 Page - ams AG

Part # AS3415
Description  Integrated Active Noise Cancelling Solution with Bypass Feature
PDF  102 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3415 Datasheet(HTML) 84 Page - ams AG

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AS3415/AS3435 – 84
ams Datasheet, Confidential: 2014-Jun-13 [v1-30]
Applica t io n I n f o rma t ion
Figure 105:
AS3415 Stereo Feed Forward Application Example
AS3415 Stereo Feed-forward Example: This application example shows a single AS3415 in feed-forward configuration with activated music bypass mode in off mode.
GND
D1
LED
Vpos
Vpos
U2
Power LED
Battery Socket
C3
10uF
GND
Vpos
C2
1uF
C1
10uF
GND
GND
BPR
BPL
AGND
C10
10uF
AGND
GND
T1
AGND
AGND
Exposed Pad
Vneg
Vneg
3
1
2
L
R
GND
U3
Line Input
AGND
R5
150R
R6
150R
AGND
AGND
C4
470nF
C5
470nF
R2
10k
R1
10k
R3
10k
R4
10k
Left ANC
Feedback Filter
Right ANC
Feedback Filter
AGND
R10
2k2
R11
2k2
AGND
C8
10uF
R9
2k2
AGND
AGND
C9
10uF
R8
2k2
AGND
Left Speaker
Right Speaker
Left ANC MIC
Right ANC MIC
AGND
S2
On/Off Switch
R14
10k
Vpos
GND
R13
10k
S4
Monitor Mode
GND
S3
Push Button Control
R12
10k
Vpos
Slide Switch Control
Push Button Control
J1
Control Mode Selection
CAUTION:
Note that only one operation mode is possible. Either
slide switch control or push button control.
It is not possible to operate both modes in parallel.
a
b S1
ANC Control
Vpos
R7
10k
Position a: ANC enabled
Position b: ANC disabled
ANC Control
BPR
BPL
Music Bypass in OFF mode
Net Tie Grounds
Analog and digital ground should be connected
low battery condition the LED starts flashing.
GND
LINL
2
TRSDA
3
TRSCL
4
LINR
5
QLINR
6
MODE/CSCL
8
ANC/CSDA
7
QOP1R
17
BPL
18
HPL
19
MIXL
20
MIXR
21
HPR
22
BPR
23
VBAT
24
QLINL
1
AS3415
U1
AS3415



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