AK7738VQ Datasheet, PDF (25/42 Pages) Asahi Kasei Microsystems – Multi DSP with 5ch ADC + 4ch DAC + 8ch SRC

[AK7738]
2. DAC Block
(Ta= 25C; AVDD=3.0~3.6V; LVDD=3.0~3.6V; TVDD1=1.7~3.6V; TVDD2=1.7~3.6V;
VDD33=3.0~3.6V; AVSS=DVSS1=DVSS2=DVSS3=0V)
2-1 Sharp Roll-Off Filter (DASD bit = “0”, DASL bit = “0”)
fs=48kHz
Parameter
SHARP ROLL-OFF
Passband (Note 31)
-0.08dB~＋0.08dB
-6.0dB
Passband Ripple
Stopband
(Note 31)
Stopband Attenuation
Group Delay
(Note 32)
Digital Filter + SCF
Frequency Response : 0Hz  20kHz
Symbol
PB
PB
PR
SB
SA
GD
FR
min
0
-0.08
26.2
69.9
-0.20
typ
max
Unit
22.2
kHz
23.99
kHz
+0.08
dB
kHz
dB
26.4
1/fs
0.10
dB
fs=96kHz
Parameter
SHARP ROLL-OFF
Passband (Note 31)
-0.08dB~＋0.08dB
-6.0dB
Passband Ripple
Stopband
(Note 31)
Stopband Attenuation
Group Delay
(Note 32)
Digital Filter + SCF
Frequency Response : 0Hz  40kHz
Symbol
PB
PB
PR
SB
SA
GD
FR
min
0
-0.08
52.5
69.8
-0.50
typ
max
Unit
44.4
kHz
48.00
kHz
+0.08
dB
kHz
dB
26.4
1/fs
0.10
dB
fs=192kHz
Parameter
Symbol
min
typ
max
Unit
SHARP ROLL-OFF
Passband (Note 31)
-0.08dB~＋0.08dB
-6.0dB
PB
PB
0
88.8
kHz
96.00
kHz
Passband Ripple
PR
-0.08
+0.08
dB
Stopband
(Note 31)
SB
104.9
kHz
Stopband Attenuation
SA
69.8
dB
Group Delay
(Note 32)
GD
26.4
1/fs
Digital Filter + SCF
Frequency Response : 0Hz  80kHz
FR
-2.00
-0.00
dB
015000122-E-00-PB
- 25 -
2015/01