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LM49352 Datasheet(PDF) 18 Page - Texas Instruments

Part # LM49352
Description  Boomer Mono Class D Audio Codec Subsystem with Ground Referenced Headphone Amplifiers, Earpiece Driver, and Audio DSP
PDF  106 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

LM49352 Datasheet(HTML) 18 Page - Texas Instruments

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10
0.001
0.01
0.1
1
1m
2
5m 10m
50m100m
1
INPUT VOLTAGE (Vrms)
500m
10
0.001
0.01
0.1
1
FREQUENCY (Hz)
20
20k
50 100 200 500 1k
2k
5k 10k
10
0.001
0.01
0.1
1
FREQUENCY (Hz)
20
20k
50 100 200 500 1k
2k
5k 10k
FREQUENCY (Hz)
20
20k
50 100 200 500 1k
2k
5k 10k
+1
-3
-2
-1
+0
LM49352
SNAS467E – MARCH 2009 – REVISED MARCH 2013
www.ti.com
Typical Performance Characteristics (continued)
Mono Voice HPF ADC Frequency Response
fS = 8kHz, OSR = 128
From MIC, MIC Gain = 6dB, CIN = 1µF
Gray >> No HPF
Blue >> HPF Mode = '000'
Light Blue >> HPF Mode = '001'
Green >> HPF Mode = '010'
ADC THD+N vs Frequency
Light Green >> HPF Mode = '011'
fS = 48kHz, OSR = 128
Yellow >> HPF Mode = '100'
From MONO/AUX, MONO/AUX Gain = 6dB, VIN = 1VRMS
Figure 20.
Figure 21.
ADC THD+N vs Frequency
ADC THD+N vs Input Voltage
fS = 48kHz, OSR = 128
fS = 48kHz, OSR = 128
From MIC, MIC Gain = 6dB, VIN = 500mVRMS
From MONO/AUX, MONO/AUX Gain = 0dB, fIN = 1kHz
Figure 22.
Figure 23.
18
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Copyright © 2009–2013, Texas Instruments Incorporated
Product Folder Links: LM49352



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