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AK4129 Datasheet, PDF (10/50 Pages) Asahi Kasei Microsystems – 6ch 216kHz / 24-Bit Asynchronous SRC | |||
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[AK4129]
SRC CHARACTERISTICS
(Ta=25°C; AVDD=DVDD1-4=3.3V; VSS1-5=0V; Signal Frequency = 1kHz; data = 24bit;
Measurement bandwidth = 20Hz ~ FSO/2; unless otherwise specified.)
Parameter
Symbol min
typ
SRC Characteristics:
Resolution
Input Sample Rate
FSI
8
Output Sample Rate
FSO
8
THD+N
(Input = 1kHz, 0dBFS, Note 10)
FSO/FSI = 44.1kHz/48kHz
FSO/FSI = 48kHz/44.1kHz
FSO/FSI = 48kHz/192kHz
FSO/FSI = 192kHz/48kHz
-
â130
-
â124
-
â133
-
â124
Worst Case (FSO/FSI = 32kHz/176.4kHz)
Dynamic Range (Input = 1kHz, â60dBFS, Note 10)
-
-
FSO/FSI = 44.1kHz/48kHz
-
136
FSO/FSI = 48kHz/44.1kHz
-
136
FSO/FSI = 48kHz/192kHz
-
136
FSO/FSI = 192kHz/48kHz
-
132
Worst Case (FSO/FSI = 48kHz/32kHz)
Dynamic Range (Input = 1kHz, â60dBFS, A-weighted, Note 10)
132
-
FSO/FSI = 44.1kHz/48kHz
-
140
Ratio between Input and Output Sample Rate
FSO/FSI 1/6
Note 10. Measured by Audio Precision System Two Cascade.
max Units
24 Bits
216 kHz
216 kHz
-
dB
-
dB
-
dB
-
dB
-91
dB
-
dB
-
dB
-
dB
-
dB
-
dB
-
dB
6
-
POWER CONSUMPTION
(Ta= 25°C; AVDD=DVDD1-4=3.0~3.6V; VSS1-5=0V; Signal Frequency=1kHz; data=24bit; Asynchronous Input mode
(INAS pin = âHâ), Output PORT: Master mode, OMCLK/XTI are input via a Xâtal. PM2/1 pin = âH/Lâ 6ch original mode,
unless otherwise specified.)
Parameter
min
typ
max Units
Power Supplies
Power Supply Current
Normal operation (PDN pin = âHâ)
AVDD+DVDD1-4
FSI=FSO=48kHz: AVDD=DVDD1-4=3.3V (Note 12)
33
-
mA
FSI=FSO=192kHz: AVDD=DVDD1-4=3.3V (Note 13)
84
-
mA
: AVDD=DVDD1-4=3.6V (Note 14)
85
164 mA
Power down (PDN pin = âLâ) (Note 11)
AVDD+DVDD1-4
10
100
μA
Note 11. All digital input pins are held to VSS2-5.
Note 12. It is 33 [mA] (typ) when the OMCLK/XTI pin is supplied a 6.144MHz external clock and the output port is in
slave mode.
Note 13. It is 82 [mA] (typ) when the OMCLK/XTI pin is supplied a 6.144MHz external clock and the output port is in
slave mode.
Note 14. It is 83 [mA] (typ) when the OMCLK/XTI pin is supplied a 6.144MHz external clock and the output port is in
slave mode.
MS1173-E-02
- 10 -
2011/06
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