DA7218 Datasheet, PDF (35/173 Pages) Dialog Semiconductor – Ultra-Low Power Stereo Codec

DA7218
Ultra-Low Power Stereo Codec
Table 32: Input High-Pass Filter Settings (ADC in High-Power Mode)
Sample Rate (kHz)
8 11.025 12 16 22.05 24 32 44.1 48 88.2 96
00 0.33 0.46 0.5 0.67 0.92
1 1.33 1.84 2 3.68 4
01 0.67 0.92
1 1.33 1.84
2 2.67 3.68 4 7.35 8
0
10 1.33 1.84
2 2.67 3.68
4 5.33 7.35 8 14.7 16
11 2.67 3.68
4 5.33 7.35
8 10.67 14.7 16 29.4 32
000
2.5 3.45 3.75 5
6.89 7.5 10
001
25 34.5 37.5 50 68.9 75 100
010
50 68.9 75 100 137.8 150 200
011
1
100
100 137.8 150 200 275.6 300 400 _{Voice HPF not available for}
150 206.7 225 300 413.4 450 600 ^{sample rates above 32 kHz.}
101
200 275.6 300 400 551.3 600 800
110
300 413.4 450 600 826.9 900 1200
111
400 551.3 600 800 1102.5 1200 1600
Table 33: Input High-Pass Filter Settings (ADC in Low-Power Mode)
Sample Rate (kHz)
8 11.025 12 16 22.05 24
32
44.1 48 88.2 96
00 0.33 0.46 0.5 0.67 0.92 1 32 kHz 1.84 2
88.2 kHz
01 0.67 0.92
1 1.33 1.84
sample
and 96 kHz
2 _{rate not} 3.68 4
sample
0
10 1.33 1.84
2 2.67 3.68
4 ^available 7.35 8
rates not
in low-
available in
11 2.67 3.68
4 5.33 7.35
8
power ^{14.7 16} low-power
mode
mode
000
2.5
001
25
010
50
011
1
100
100
In low-power mode, the voice HPF is only available at a sample rate of 8 kHz
150
101
200
110
300
111
400
Datasheet
Revision 2.5
01 Sep 2016
CFR0011-120-00
35 of 173
© 2016 Dialog Semiconductor