AK4679EG Datasheet, PDF (19/220 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with DSP and MIC/RCV/HP/SPK/LINE-AMP

[AK4679]
SRC CHARACTERISTICS
(Ta=25°C; AVDD=PVDD= DVDD=TVDDA=TVDDE =1.8V, SVDD=4.2V, VDDE=1.2V;
VSS1=VSS2=VSS3=VSS4 =VSS5 =0V; Signal Frequency=1kHz; 16bit Data; Measurement Bandwidth=20Hz ∼
FSO/2kHz; unless otherwise specified)
Parameter
Symbol min
typ
max Unit
SRC Characteristics (SRCAI): SDTIA Æ SRCAI Æ SDTO
Resolution
-
-
16
Bits
Input Sample Rate
FSI
8
-
16
kHz
Output Sample Rate
THD+N (Input = 1kHz, −1dBFS, Note 43)
FSO/FSI = 44.1kHz/8kHz
Dynamic Range (Input = 1kHz, −60dBFS, Note 43)
FSO/FSI = 44.1kHz/8kHz
FSO
8
-
48
kHz
-
−88
-
dB
-
98
-
dB
Ratio between Input and Output Sample Rate
FSO/FSI 1/2
SRC Characteristics (SRCAO): SDTI Æ SRCAO Æ SDTOA
6
-
Resolution
-
-
16
Bits
Input Sample Rate
FSI
8
-
48
kHz
Output Sample Rate
THD+N (Input = 1kHz, −1dBFS, Note 43)
FSO/FSI = 8kHz/44.1kHz
FSO/FSI = 16kHz /8kHz
Dynamic Range (Input = 1kHz, −60dBFS, Note 43)
FSO
8
-
16
kHz
-
−75
-
dB
-
−88
-
dB
FSO/FSI = 8kHz/44.1kHz
-
100
-
dB
FSO/FSI = 16kHz /8kHz
-
99
-
dB
Ratio between Input and Output Sample Rate
FSO/FSI 1/6
2
-
SRC Characteristics (SRCBI, SRCBO): SDTI Æ SRCBO Æ SDTOB, SDTIB Æ SRCBI Æ SDTO
Resolution
-
-
16
Bits
Input Sample Rate
FSI
8
-
48
kHz
Output Sample Rate
THD+N (Input = 1kHz, −1dBFS, Note 43)
FSO/FSI = 8kHz/44.1kHz
FSO/FSI = 44.1kHz/8kHz
Dynamic Range (Input = 1kHz, −60dBFS, Note 43)
FSO
8
-
48
kHz
-
−75
-
dB
-
−88
-
dB
FSO/FSI = 8kHz/44.1kHz
-
100
-
dB
FSO/FSI = 44.1kHz/8kHz
-
99
-
dB
Ratio between Input and Output Sample Rate
FSO/FSI 1/6
6
-
Note 43. Measured by Audio Precision System Two Cascade.
MS1402-E-06
- 19 -
2013/02