Datasheet

20 20k
FREQUENCY (Hz)
-100
+0
MAGNITUDE (dB)
10k1k 2k 5k50 100 200 500
-90
-80
-70
-60
-50
-40
-30
-20
-10
20 20k
FREQUENCY (Hz)
-3
MAGNITUDE (
dB)
10k1k 2k 5k50 100 200 500
-2.5
-2
-1.5
-1
-0.5
-0
+0.5
+1
20 20k
FREQUENCY (Hz)
-3
MAGNITUDE (
dB)
10k1k 2k 5k50 100 200 500
-2.5
-2
-1.5
-1
-0.5
-0
+0.5
+1
1k20
FREQUENCY (Hz)
MAGNITUDE (dB)
100 2k200 500 4k50
+1
-3
+0.5
-0
-0.5
-1
-1.5
-2
-2.5
20 20k
FREQUENCY (Hz)
-1
+1
MAGNITUDE (dB)
10k1k 2k 5k50 100 200 500
-0.8
-0.6
-0.4
-0.2
+0
+0.2
+0.4
+0.6
+0.8
1k20
FREQUENCY (Hz)
MAGNITUDE (dB)
100 2k200 500 4k50
+1
-3
+0.5
-0
-0.5
-1
-1.5
-2
-2.5
LM49350, LM49350RLEVAL
www.ti.com SNAS359D –SEPTEMBER 2008–REVISED JUNE 2012
TYPICAL PERFORMANCE CHARACTERISTICS
DAC Frequency Response DAC Frequency Response
f
S
= 48kHz, OSR = 128 f
S
= 8kHz, OSR = 128
Figure 9. Figure 10.
Stereo Audio ADC Frequency Response Stereo Audio ADC Frequency Response
f
S
= 48kHz, OSR = 128, C
IN
= 1μF, MIC gain = 6dB f
S
= 8kHz, OSR = 128, C
IN
= 1μF, MIC gain = 6dB
Figure 11. Figure 12.
Stereo Audio ADC HPF Frequency Response
f
S
= 48kHz, OSR = 128, C
IN
= 1μF, MIC gain = 6dB
(Top-No HPF, Upper-HPF_Mode = '101',
Lower-HPF_Mode = '110)' Mono Voice ADC Frequency Response
Bottom-HPF_Mode = '111' f
S
= 48kHz, OSR = 128, C
IN
= 1μF, MIC gain = 6dB
Figure 13. Figure 14.
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