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AS3412 Datasheet(PDF) 72 Page - ams AG

Part # AS3412
Description  The AS3412 is a speaker driver with Ambient Noise Cancelling
PDF  84 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3412 Datasheet(HTML) 72 Page - ams AG

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Page 72
ams Datasheet
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[v1-00] 2016-Apr-06
AS 3412 − Application Information
Schematic
Figure 89:
Push Button Operation Mode – Application Example
Push Button Operation Mode – Application Example: This application example shows the typical schematic in push button configuration for a Feed-Forward ANC
headset. A single push button can control the headset. For details on Push Button control please refer to chapter Operation Modes.
Application Information
4.7µF
C1
1µF
C3
GND
VBAT
VNEG
AGND
3
1
2
L
R
GND
U2
Music Input
AGND
On / Off / Monitor
10µF
C5
GND
GND
VBAT
MIC1
Left ANC MIC
2k2
R1
10µF
C6
22µF
C7
GND
220
R2
GND
MICS
MICS
AGND
1uF
C2
10uF
C4
AGND
MIC2
Right ANC MIC
2k2
R6
MICS
1uF
C11
AGND
10uF
C10
AGND
CPP A1
HPR D1
AS3412
TRSCL/BPR
E1
WL-CSP
MICS E4
LINL
C1
HPL B2
LINR
C2
TRSDA/BPL
C3
VNEG A3
GND A2
ANC/CSDA
C5
QOP1R A4
MODE/CSCL
D5
U1
2k2
R7
AGND
2k2
R3
AGND
150
R4
150
R5
AGND
AGND
4.7µF
C8
4.7µF
C9
Push Button
Left
ANC
Filter
Right
ANC
Filter
AGND
Speaker Left
Speaker Right
1.8V – 1.65V
S1



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