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AS3412 Datasheet(PDF) 16 Page - ams-OSRAM AG

No. de pieza AS3412
Descripción Electrónicos  Ultra Small ANC Speaker Driver
PDF  85 Pages
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Fabricante Electrónico  AMSOSRAM [ams-OSRAM AG]
Página de inicio  https://ams-osram.com/
Logo AMSOSRAM - ams-OSRAM AG

AS3412 Datasheet(HTML) 16 Page - ams-OSRAM AG

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ams Datasheet
Page 15
[v1-00] 2016-Apr-06
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AS3412 − Detailed Description
Microphone Parameter: This table shows the detailed electrical characteristics of the microphone preamplifier
gain stage.
Figure 15:
Microphone Frequency Response
AMIC
Programmable Gain
Discrete logarithmic gain
steps
0+31
dB
Gain Steps Size
0.5
dB
Gain Step Precision
0.2
dB
Δ
AMIC
Gain Ramp Rate
VPEAK related to VBAT or VNEG
1
ms/step
VATTACK
Limiter Activation Level
VPEAK related to VBAT or VNEG
64 @ 0.5dB
0.40
1
VDECAY
Limiter Release Level
0.31
1
AMICLIMIT
Limiter Minimum Gain
0
dB
tATTACK
Limiter Attack Time
5
μs/step
tDECAY
Limiter Decay Time
1
ms/step
Microphone Frequency Response: This
graph shows the frequency response of
the microphone preamplifier with
different gain settings without RMICIN
resistor, CAC capacitor (MICACx pin
connected to AGND) and CMIC=10uF.
Symbol
Parameter
Condition
Min
Typ
Max
Unit
-5
0
5
10
15
20
25
30
35
10
100
1k
10k
f [Hz]
0dB
30dB
10dB
20dB



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