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AS3418 Folha de dados(PDF) 8 Page - ams-OSRAM AG

Nome de Peças AS3418
Descrição Electrónicos  Low Noise ANC Solution
PDF  78 Pages
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Fabricante Electrônico  AMSOSRAM [ams-OSRAM AG]
Página de início  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS3418 Folha de dados(HTML) 8 Page - ams-OSRAM AG

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AS3418
Pin Assignment
Datasheet
• PUBLIC
DS000507
• v4-00 • 2020-Jan-23
77
│ 7
Pin Number
Pin Name
Pin Type
(1)
Description
A5
GND
ANA IN
VNEG charge pump ground terminal.
A6
VBAT
SUP IN
Positive supply terminal of AS3418.
B1
BPR
ANA IN
Right audio bypass switch input. This pin features a
music bypass function for the right audio channel in
off mode operation in order to replace and external
analog switch.
B2
HPR
ANA OUT
Headphone amplifier output - right channel.
B3
MICACR
ANA OUT
Microphone preamplifier AC coupling ground
terminal. This pin requires a typ. 10µF capacitor
connected to AGND pin.
B4
CPN
ANA OUT
VNEG charge pump negative terminal for flying
capacitor
B5
LINR
ANA IN
Line input - right channel.
B6
LINL
ANA IN
Line input - left channel.
C1
VNEG
SUP OUT
VNEG charge pump output terminal. This output
provides the negative amplifier supply voltage for all
OPAMPs and the headphone amplifier.
C2
QOP1R
ANA OUT
ANC filter OPAMP1 output - right channel
C3
QOP1L
ANA OUT
ANC filter OPAMP1 output - left channel
C4
CPP
ANA OUT
VNEG charge pump positive terminal for flying
capacitor
C5
ANC/
CSDA
DIG IN/OUT
Serial interface data signal line for I2C interface and
alternatively ANC control to enable/disable ANC.
C6
MODE/
CSCL
DIG IN
Serial Interface clock signal line for I2C interface and
alternatively control pin for power up/down and
Monitor mode.
D1
BPL
ANA IN
Left audio bypass switch input. This pin features a
music bypass function for the left audio channel in
off mode operation in order to replace and external
analog switch.
D2
HPL
ANA OUT
Headphone amplifier output - left channel.
D3
MICACL
ANA OUT
Microphone preamplifier AC coupling ground
terminal. This pin requires a typ. 10µF capacitor
connected to AGND pin.
D4
TRSDA
ANA IN
Data input for production trimming. Can be
connected to LINL pin to enable production trimming
via 3.5mm audio jack.
D5
AGND
ANA IN
Analog reference ground. Do not connect this pin to
power or digital ground plane.
D6
TRSCL
ANA IN
Clock input for production trimming. Can be
connected to LINR pin to enable production
trimming via 3.5mm audio jack.
E1
IOP1L
ANA IN
ANC filter OPAMP1 input - left channel



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