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AS3435 데이터시트(PDF) 24 Page - ams AG

부품명 AS3435
상세설명  Integrated Active Noise Cancelling Solution with Bypass Feature
PDF  102 Pages
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제조업체  AMSCO [ams AG]
홈페이지  http://www.ams.com
Logo AMSCO - ams AG

AS3435 데이터시트(HTML) 24 Page - ams AG

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AS3415/AS3435 – 24
ams Datasheet, Confidential: 2014-Jun-13 [v1-30]
De tail ed De sc rip t ion
Parameter
VBAT=1.5V, TA= 25ºC , CAC=10μF, CMIC=2.2μF and RMICIN=22kΩ
unless otherwise specified.
Figure 23:
Microphone Parameter
Symbol
Parameter
Conditions
Min
Typ
Max
Unit
VMICIN0
Input Signal Level
AMIC = 10dB
80
mVRMS
VMICIN1AMIC = 20dB
40
mVRMS
VMICIN2AMIC = 30dB
10
mVRMS
SNR
Signal to Noise Ratio
0dB gain, High quality mode,
AGC off
115
dB
10dB gain, High quality mode,
AGC off
108
dB
20dB gain, High quality mode,
AGC off
98
dB
0dB gain, ECO mode, AGC off
113
dB
10dB gain, ECO mode, AGC off
105
dB
20dB gain, ECO mode, AGC off
96
dB
VNOISE-A
A-Weighted Output
Noise Floor
0dB gain, 20Hz – 20kHz
bandwidth, High quality
1.3
μV
10dB gain, 20Hz – 20kHz
bandwidth, High quality
4.2
μV
20dB gain, 20Hz – 20kHz
bandwidth, High quality
13
μV
0dB gain, 20Hz – 20kHz
bandwidth, ECO mode
1.6
μV
10dB gain, 20Hz – 20kHz
bandwidth, ECO mode
5.5
μV
20dB gain, 20Hz – 20kHz
bandwidth, ECO mode
16.5
μV
IMIC
Block Current
Consumption
No load, normal mode
1.4
mA
No load, ECO mode
1
mA
AMIC
Programmable Gain
Discrete logarithmic gain steps
0
+31
dB
Gain Step Size
0.5
dB
Gain Step Precision
0.2
dB
ΔAMIC
Gain Ramp Rate
VPEAK related to VBAT or VNEG
1
ms/step



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