[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
Input Sample Rate
Output Sample Rate
-
8
8
-
-
-
16
16
48
Bits
kHz
kHz
FSI
FSO
THD+N (Input = 1kHz, −1dBFS, Note 43)
FSO/FSI = 44.1kHz/8kHz
-
−88
-
dB
Dynamic Range (Input = 1kHz, −60dBFS, Note 43)
FSO/FSI = 44.1kHz/8kHz
Ratio between Input and Output Sample Rate
SRC Characteristics (SRCAO): SDTI Æ SRCAO Æ SDTOA
Resolution
-
1/2
98
-
6
dB
-
FSO/FSI
-
8
8
-
-
-
16
48
16
Bits
kHz
kHz
Input Sample Rate
Output Sample Rate
FSI
FSO
THD+N (Input = 1kHz, −1dBFS, Note 43)
FSO/FSI = 8kHz/44.1kHz
-
-
−75
−88
-
-
dB
dB
FSO/FSI = 16kHz /8kHz
Dynamic Range (Input = 1kHz, −60dBFS, Note 43)
FSO/FSI = 8kHz/44.1kHz
FSO/FSI = 16kHz /8kHz
Ratio between Input and Output Sample Rate
-
-
1/6
100
99
-
-
2
dB
dB
-
FSO/FSI
SRC Characteristics (SRCBI, SRCBO): SDTI Æ SRCBO Æ SDTOB, SDTIB Æ SRCBI Æ SDTO
Resolution
Input Sample Rate
Output Sample Rate
-
8
8
-
-
-
16
48
48
Bits
kHz
kHz
FSI
FSO
THD+N (Input = 1kHz, −1dBFS, Note 43)
FSO/FSI = 8kHz/44.1kHz
-
-
−75
−88
-
-
dB
dB
FSO/FSI = 44.1kHz/8kHz
Dynamic Range (Input = 1kHz, −60dBFS, Note 43)
FSO/FSI = 8kHz/44.1kHz
FSO/FSI = 44.1kHz/8kHz
Ratio between Input and Output Sample Rate
Note 43. Measured by Audio Precision System Two Cascade.
-
-
1/6
100
99
-
-
6
dB
dB
-
FSO/FSI
MS1402-E-06
2013/02
- 19 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
