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AS3525 Datasheet(PDF) 141 Page - ams AG

Part # AS3525
Description  Advanced Audio Processor System
PDF  194 Pages
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Manufacturer  AMSCO [ams AG]
Direct Link  http://www.ams.com
Logo AMSCO - ams AG

AS3525 Datasheet(HTML) 141 Page - ams AG

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AS3525-A/-B C22O22
Data Sheet, Confidential
© 2005-2009, austriamicrosystems AG, 8141 Unterpremstaetten, Austria-Europe. All Rights Reserved.
www.austriamicrosystems.com
Revision 1.13
141
- 194
7.4.9
Audio Line Inputs (2x)
7.4.9.1
General
The chip features includes two identical line inputs. The blocks can work in mono differential, 2x mono single ended or in stereo single ended mode.
The volume control has an independent gain regulation for left and right channel with 32 steps @ 1.5dB each. The gain can be set from –34.5dB to
+12dB. The stage is set to mute by default. If the line input is not enabled, the volume settings are set to their default values. Changing the volume
and mute control can only be done after enabling the input.
Figure 53 Line Inputs
Stereo Mode
Mono Single Ended Mode
Mono Differential Mode
7.4.9.2
Parameter
Figure 54 Line Input Parameter
Symbol
Parameter
Notes
Min
Typ
Max
Unit
A0
Gain
programmable gain
-34.5
12
dB
Ax
Gain Step-Size
1.5
dB
Mute
49
kOhm
RinLINE
Input Resistance
Min Gain, single ended stereo
100
kOhm
SNR
Signal to Noise Ratio
90
dB
Mute Attenuation
120
dB
BVDD = 3.3V, TA= 25oC, fs=48kHz unless otherwise mentioned



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