AK4492ECB Datasheet, PDF (21/101 Pages) Asahi Kasei Microsystems – Quality Oriented 32-Bit 2ch DAC

[AK4492]
■ Short Delay Slow Roll-Off Filter Characteristics
Short Delay Slow 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 = “1”, SSLOW bit or SSLOW pin
= “0”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency
0.01 dB
-
0
8.0
kHz
Responce
6.0 dB (Note 26)
-
-
21.0
-
kHz
Passband
(Note 32)
PB
0
8.0
kHz
Stopband
(Note 32)
SB
39.2
kHz
Passband Ripple
(Note 28)
PR
0.007
dB
Stopband Attenuation
(Note 26)
SA
92
dB
Group Delay
(Note 29) GD
-
5.0
-
1/fs
Digital Filter + SCF (Note 26)
Frequency Response: 0  20.0 kHz
-5.5
-
+0.1
dB
Short Delay Slow 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 = “1”, SSLOW bit or SSLOW pin
= “0”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency
0.01 dB
-
0
-
17.6
kHz
Response
6.0 dB (Note 26)
-
-
45.6
-
kHz
Passband
(Note 32)
PB
0
-
17.6
kHz
Stopband
(Note 32)
SB
85.4
-
-
kHz
Passband Ripple
(Note 28)
PR
-
-
0.007
dB
Stopband Attenuation
(Note 26)
SA
100
-
-
dB
Group Delay
(Note 29) GD
-
5.0
-
1/fs
Digital Filter + SCF (Note 26)
Frequency Response: 0  40.0 kHz
-5.1
-
+0.1
dB
Short Delay Slow 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 = “1”, SSLOW bit or SSLOW pin
= “0”)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency
0.01 dB
-
0
-
35.2
kHz
Response
6.0 dB (Note 26)
-
-
91.2
-
kHz
Passband
(Note 32)
PB
0
-
35.2
kHz
Stopband
(Note 32)
SB
170.7
-
-
kHz
Passband Ripple
(Note 28)
PR
-
-
0.007
dB
Stopband Attenuation
(Note 26)
SA
100
-
-
dB
Group Delay
(Note 29)
GD
-
5.0
-
1/fs
Digital Filter + SCF (Note 26)
Frequency Response: 0  80.0 kHz
-8.0
-
+0.1
dB
Note 32. The passband and stopband frequencies scale with fs. For example, PB = 0.1836 × fs
(@0.01dB), SB = 0.8866 × fs.
016011073-E-00
- 21 -
2016/12