AK4492ECB Datasheet, PDF (19/101 Pages) Asahi Kasei Microsystems – Quality Oriented 32-Bit 2ch DAC

[AK4492]
■ Short Delay Sharp Roll-Off Filter Characteristics
Short Delay Sharp Roll-Off 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 or SD pin = “1”, SLOW bit or SLOW pin = “0”, SSLOW bit or SSLOW pin
= “0”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency
0.01 dB
-
0
20.0
kHz
Responce
6.0 dB (Note 26)
-
-
22.05
-
kHz
Passband
(Note 31)
PB
0
20.0
kHz
Stopband
(Note 31)
SB
24.1
kHz
Passband Ripple
(Note 30)
PR
0.005
dB
Stopband Attenuation
(Note 26)
SA
100
dB
Group Delay
(Note 29)
GD
-
6.0
-
1/fs
Digital Filter + SCF (Note 26)
Frequency Response: 0  20.0 kHz
-0.7
-
+0.1
dB
Short Delay Sharp Roll-Off 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 or SD pin = “1”, SLOW bit or SLOW pin = “0”, SSLOW bit or SSLOW pin
= “0”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency
0.01 dB
-
0
43.5
kHz
Responce
6.0 dB (Note 26)
-
-
48.0
-
kHz
Passband
(Note 31)
PB
0
43.5
kHz
Stopband
(Note 31)
SB
52.5
kHz
Passband Ripple
(Note 28)
PR
0.005
dB
Stopband Attenuation
(Note 26)
SA
100
dB
Group Delay
(Note 29)
GD
-
6.0
-
1/fs
Digital Filter + SCF (Note 26)
Frequency Response: 0  40.0 kHz
-1.9
-
+0.1
dB
Short Delay Sharp Roll-Off 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 or SD pin = “1”, SLOW bit or SLOW pin = “0”, SSLOW bit or SSLOW pin
= “0”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency
Responce
0.01 dB
-
6.0 dB (Note 26)
-
0
87.0
kHz
-
96.0
-
kHz
Passband
(Note 31)
PB
0
87.0
kHz
Stopband
(Note 31)
SB
104.9
kHz
Passband Ripple
(Note 28)
PR
0.005
dB
Stopband Attenuation
(Note 26)
SA
100
dB
Group Delay
(Note 29) GD
-
6.0
-
1/fs
Digital Filter + SCF (Note 26)
Frequency Response: 0  80.0 kHz
-5.0
-
+0.1
dB
Note 31. The passband and stopband frequencies scale with fs. For example, PB=0.4535×fs (@0.01dB),
SB=0.546×fs.
016011073-E-00
- 19 -
2016/12