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AK4492ECB Datasheet, PDF (17/101 Pages) Asahi Kasei Microsystems – Quality Oriented 32-Bit 2ch DAC | |||
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[AK4492]
â Slow Roll-Off Filter Characteristics
Slow Roll-Off Filter Characteristics (fs = 44.1kHz)
(Ta = -40 ~ 85ï° C; VDDL/R = 4.75 ï¾ 5.25 V, AVDD = TVDD = (DVDD) ï¾ 3.6 V, DVDD = 1.7~1.98 V;
Normal Speed Mode; DEM = OFF; SD bit or SD pin = â0â, SLOW bit or SLOW pin = â1â, SSLOW bit or
SSLOW pin = â0â)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency
ï±0.01dB
-
0
8.0
kHz
Response
ï6.0dB (Note 26)
-
-
21.0
-
kHz
Passband
(Note 30)
PB
0
8.0
kHz
Stopband
(Note 30)
SB
39.2
kHz
Passband Ripple
(Note 28)
PR
ï±0.007
dB
Stopband Attenuation
(Note 26)
SA
92
dB
Group Delay
(Note 29) GD
-
6.5
-
1/fs
Digital Filter + SCF (Note 26)
Frequency Response: 0 ï¾ 20.0 kHz
-5.5
-
+0.1
dB
Slow Roll-Off Filter Characteristics (fs = 96kHz)
(Ta = -40 ~ 85 ï°C; VDDL/R = 4.75ï¾5.25 V, AVDD = TVDD = (DVDD) ï¾ 3.6 V, DVDD = 1.7~1.98 V; Double
Speed Mode; DEM = OFF; SD bit or SD pin = â0â, SLOW bit or SLOW pin = â1â, SSLOW bit or SSLOW pin
= â0â)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency
ï±0.01 dB
-
0
17.6
kHz
Responce
ï6.0 dB (Note 26)
-
-
45.6
-
kHz
Passband
(Note 30)
PB
0
17.6
kHz
Stopband
(Note 30)
SB
85.4
kHz
Passband Ripple
(Note 28)
PR
ï±0.007
dB
Stopband Attenuation
(Note 26)
SA
100
dB
Group Delay
(Note 29) GD
-
6.5
-
1/fs
Digital Filter + SCF (Note 26)
Frequency Response: 0 ï¾ 40.0 kHz
-5.1
-
+0.1
dB
Slow Roll-Off Filter Characteristics (fs = 192kHz)
(Ta = -40 ~ 85 ï°C; VDDL/R = 4.75ï¾5.25 V, AVDD = TVDD = (DVDD) ï¾ 3.6 V, DVDD = 1.7~1.98 V; Quad
Speed Mode; DEM = OFF; SD bit or SD pin = â0â, SLOW bit or SLOW pin = â1â, SSLOW bit or SSLOW pin
= â0â)
Parameter
Symbol
Min.
Typ.
Max.
Unit
Digital Filter
Frequency
ï±0.01 dB
-
0
35.2
kHz
Responce
ï6.0 dB (Note 26)
-
-
91.2
-
kHz
Passband
(Note 30)
PB
0
35.2
kHz
Stopband
(Note 30)
SB
170.7
kHz
Passband Ripple
(Note 28)
PR
ï±0.007
dB
Stopband Attenuation
(Note 26)
SA
100
dB
Group Delay
(Note 29) GD
-
6.5
-
1/fs
Digital Filter + SCF (Note 26)
Frequency Response: 0 ï¾ 80.0kHz
-8.0
-
+0.1
dB
Note 30. The passband and stopband frequencies scale with fs. For example, PB = 0.1836 Ã fs
(@ï±0.01dB), SB = 0.8889 Ã fs.
016011073-E-00
- 17 -
2016/12
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