[AK4127]
SRC CHARACTERISTICS
(Ta=25°C; AVDD=DVDD=3.3V; AVSS=DVSS=0V; data = 24bit; measurement bandwidth = 20Hz ~ FSO/2; unless
otherwise specified.)
Parameter
Symbol
min
typ
max
Units
SRC Characteristics:
Resolution
Input Sample Rate
Output Sample Rate
24
216
216
Bits
kHz
kHz
FSI
FSO
8
8
THD+N
(Input = 1kHz, 0dBFS, Note 5)
FSO/FSI = 44.1kHz/48kHz
FSO/FSI = 48kHz/44.1kHz
FSO/FSI = 48kHz/192kHz
FSO/FSI = 192kHz/48kHz
-
-
-
-
-
−130
−124
−133
−124
-
-
-
-
dB
dB
dB
dB
dB
-
Worst Case (FSO/FSI = 32kHz/176.4kHz)
−91
Dynamic Range (Input = 1kHz, −60dBFS, Note 5)
FSO/FSI = 44.1kHz/48kHz
-
-
-
136
136
136
132
-
-
-
-
-
-
dB
dB
dB
dB
dB
FSO/FSI = 48kHz/44.1kHz
FSO/FSI = 48kHz/192kHz
FSO/FSI = 192kHz/48kHz
-
Worst Case (FSO/FSI = 48kHz/32kHz)
Dynamic Range (Input = 1kHz, −60dBFS, A-weighted, Note 5)
FSO/FSI = 44.1kHz/48kHz
132
-
1/6
140
-
6
dB
-
Ratio between Input and Output Sample Rate
FSO/FSI
Note 5. Measured by Audio Precision System Two Cascade
MS0593-E-01
2007/07
- 7 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
