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AS3412 Datasheet(PDF) 14 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) 14 Page - ams AG

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Page 14
ams Datasheet
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[v1-00] 2016-Apr-06
AS3412 − Detailed Description
Parameter
VBAT=1.8V, TA= 25ºC, CAC=10μF, CMIC=4.7μF and RMICIN=2.2kΩ
unless otherwise specified.
Figure 14:
Microphone Parameter
Symbol
Parameter
Condition
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
118.5
dB
10dB gain, High quality mode,
AGC off
109
dB
20dB gain, High quality mode,
AGC off
99.5
dB
0dB gain, ECO mode, AGC off
117
dB
10dB gain, ECO mode, AGC off
107
dB
20dB gain, ECO mode, AGC off
98
dB
VNOISE-A
A-Weighted Output Noise
Floor
0dB gain, 20Hz – 20kHz
bandwidth, high quality
1.2
μV
10dB gain, 20Hz – 20kHz
bandwidth, High quality
4.2
μV
20dB gain, 20Hz – 20kHz
bandwidth, High quality
13.5
μV
0dB gain, 20Hz – 20kHz
bandwidth, ECO mode
1.4
μV
10dB gain, 20Hz – 20kHz
bandwidth, ECO mode
4.6
μV
20dB gain, 20Hz – 20kHz
bandwidth, ECO mode
14.8
μV
IMIC
Block Current
Consumption
VBAT = 1.8V; no signal, stereo,
normal mode
0.82
1.4
2
mA
VBAT = 1.8V; no signal, stereo,
ECO mode
0.58
1.2
1.4
mA



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