AK7735EQ Datasheet, PDF (26/142 Pages) Asahi Kasei Microsystems – Dual DSP with 4chADC + 4chDAC + 4chSRC

3. Short Delay Sharp Roll-Off Filter (DASD bit = “1”, DASL bit = “0”)
fs=48kHz
Parameter
Symbol
Min.
Typ.
SHORT DELAY SHARP ROLL-OFF
Passband * 27
0.05dB
PB
3.0dB
PB
0
23.4
Passband Ripple * 28
PR
-0.0031
Stopband * 27
SB
26.3
Stopband Attenuation * 30, * 31
Group Delay * 29
SA
80.0
GD
6.3
Digital Filter + SCF + SMF * 30
Frequency Response : 0  20.0kHz
-0.3
fs=96kHz
Parameter
Symbol
Min.
Typ.
SHORT DELAY SHARP ROLL-OFF
Passband * 27
0.05dB
PB
3.0dB
PB
Passband Ripple * 28
PR
Stopband * 27
SB
Stopband Attenuation * 30, * 31
SA
Group Delay * 29
GD
0
46.8
-0.0031
52.5
80.0
6.3
Digital Filter + SCF + SMF * 30
Frequency Response : 0  40.0kHz
-0.5
fs=192kHz
Parameter
Symbol
Min.
Typ.
SHORT DELAY SHARP ROLL-OFF
Passband * 27
0.05dB
PB
3.0dB
PB
0
93.6
Passband Ripple * 28
Stopband * 27
PR
-0.0031
SB
105.0
Stopband Attenuation * 30, * 31
SA
80.0
Group Delay * 29
GD
6.3
Digital Filter + SCF + SMF * 30
Frequency Response : 0  80.0kHz
-1.9
Max.
21.7
0.0031
0.1
Max.
43.5
0.0031
0.1
Max.
87.0
0.0031
0.1
[AK7735]
Unit
kHz
kHz
dB
kHz
dB
1/fs
dB
Unit
kHz
kHz
dB
kHz
dB
1/fs
dB
Unit
kHz
kHz
dB
kHz
dB
1/fs
dB
016014707-E-00
- 26 -
2016/12