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AK4137EQ Datasheet, PDF (15/65 Pages) Asahi Kasei Microsystems – 32bit SRC with PCM/DSD conversion | |||
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[AK4137]
â Short Delay Slow Roll-Off Filter Characteristics
(Ta=-40ï¾ +105ï°C; DVDD=3.0ï¾3.6V or DVDD=DV18=1.7Vï¾1.9V, DVSS=0V)
Parameter
Symbol Min.
Typ.
Max.
Unit
Digital Filter
Passband
0.357 ï£ FSO/FSI ï£ 6.000
ï0.01dB
0.1667ï£FSO/FSI ï¼ 0.357
Stopband
0.357 ï£ FSO/FSI ï£ 6.000
0.1667ï£FSO/FSI ï¼ 0.357
Passband Ripple
Stopband
0.357 ï£ FSO/FSI ï£ 6.000
Attenuation 0.1667ï£ FSO/FSI ï¼ 0.357
Group Delay 0.357 ï£ FSO/FSI ï£ 6.000
(Note 10)
0.1667 ï£ FSO/FSI ï¼ 0.357
PB
0
0.1833FSI kHz
PB
0
0.0583FSI kHz
SB 0.8313FSI
kHz
SB 0.7063FSI
kHz
PR
ï±0.01
dB
SA
130.8
dB
SA
138.1
dB
GD
-
20
-
1/fs
GD
-
26
-
1/fs
Note 10. This is the time from a rising edge of LRCK after L and R channels data is input to a rising
edge of LRCK before the L and R channels data is output, when there is no phase difference
between input and output data.
Rev. 0.2
- 15 -
2014/06
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