AK4492ECB Datasheet, PDF (23/101 Pages) Asahi Kasei Microsystems – Quality Oriented 32-Bit 2ch DAC

[AK4492]
■ Low-dispersion Short Delay Filter Characteristics
Low-dispersion Short Delay Filter Characteristics (fs = 44.1kHz)
(Ta = -40 ~ 85 C; VDDL/R = 4.755.25 V, AVDD = TVDD = (DVDD)  3.6 V, DVDD = 1.7~1.98 V; Normal
Speed Mode; DEM = OFF; SD bit pr SD pin = “1”, SLOW bit or SLOW pin = “0”, SSLOW bit or SSLOW pin
= “1”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency
0.05 dB
-
0
-
18.4
kHz
Response
6.0 dB (Note 26)
-
-
22.05
-
kHz
Passband
(Note 33)
PB
0
-
18.4
kHz
Stopband
(Note 33)
SB
25.7
-
-
kHz
Passband Ripple
(Note 33)
PR
-
-
0.05
dB
Stopband Attenuation
(Note 26)
SA
80
-
-
dB
Group Delay
(Note 29)
GD
-
10.0
-
1/fs
Group Delay Distortion
ΔGD
-
±0.035
-
1/fs
Digital Filter + SCF (Note 26)
Frequency Response: 0  20.0 kHz
-1.2
-
+0.1
dB
Low-dispersion Short Delay Filter Characteristics (fs = 96kHz)
(Ta = -40 ~ 85 C; VDDL/R = 4.755.25 V, AVDD = TVDD = (DVDD)  3.6 V, DVDD = 1.7~1.98 V; Double
Speed Mode; DEM = OFF; SD bit pr SD pin = “1”, SLOW bit or SLOW pin = “0”, SSLOW bit or SSLOW pin
= “1”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency
0.05 dB
-
0
-
40.1
kHz
Response
6.0 dB (Note 26)
-
-
48.0
-
kHz
Passband
(Note 33)
PB
0
-
40.1
kHz
Stopband
(Note 33)
SB
55.9
-
-
kHz
Passband Ripple
(Note 28)
PR
-
-
0.05
dB
Stopband Attenuation
(Note 26)
SA
80
-
-
dB
Group Delay
(Note 29)
GD
-
10.0
-
1/fs
Group DelayDistortion
ΔGD
-
±0.035
-
1/fs
Digital Filter + SCF (Note 26)
Frequency Response: 0  40.0 kHz
-1.9
-
+0.1
dB
Low-dispersion Short Delay Filter Characteristics (fs = 192kHz)
(Ta = -40 ~ 85 C; VDDL/R = 4.75  5.25 V, AVDD = TVDD = (DVDD)  3.6 V, DVDD = 1.7~1.98 V; Quad
Speed Mode; DEM = OFF; SD bit pr SD pin = “1”, SLOW bit or SLOW pin = “0”, SSLOW bit or SSLOW pin
= “1”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency
0.05 dB
-
0
-
80.2
kHz
Response
6.0 dB (Note 26)
-
-
96.0
-
kHz
Passband
(Note 33)
PB
0
-
80.2
kHz
Stopband
(Note 33)
SB
111.8
-
-
kHz
Passband Ripple
(Note 28)
PR
-
-
0.05
dB
Stopband Attenuation
(Note 26)
SA
80
-
-
dB
Group Delay
(Note 29)
GD
-
10.0
-
1/fs
Group Delay Distortion
ΔGD
-
±0.035
-
1/fs
Digital Filter + SCF (Note 26)
Frequency Response: 0  80.0 kHz
-5.0
-
+0.1
dB
Note 33. The passband and stopband frequencies scale with fs. For example, PB = 0.418 × fs
(@0.05dB), SB = 0.582 × fs.
016011073-E-00
- 23 -
2016/12