AK4122VQ ETC [List of Unclassifed Manufacturers], AK4122VQ Datasheet - Page 8
AK4122VQ
Manufacturer Part Number
AK4122VQ
Description
24 BIT 96KHZ SRC WITH DIR
Manufacturer
ETC [List of Unclassifed Manufacturers]
Datasheet
1.AK4122VQ.pdf
(54 pages)
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ASAHI KASEI
(Ta=25°C; AVDD=DVDD=3.3V; AVSS=BVSS=DVSS=0V; data = 24bit; measurement bandwidth = 20Hz ~ FSO/2;
unless otherwise specified.)
Parameter
SRC Characteristics:
Resolution
Input Sample Rate
Output Sample Rate
THD+N
Dynamic Range (Input = 1kHz, −60dBFS, Note 5)
Dynamic Range (Input = 1kHz, −60dBFS, A-weighted, Note 5)
Ratio between Input and Output Sample Rate
Note 4. Input data for SRC corresponds to 24bit data. When LSB 4bit data is input, the AK4122 calculates as “0” data
Note 5. Measured by ROHDE & SCHWARZ UPD04, Rejection Filter = wide, 8192point FFT.
Note 6. The “0.33” is the ratio of FSO/FSI when FSI is 96kHz and FSO is 32kHz. The “6” is the ratio of FSO/FSI
(Ta=25°C; AVDD, DVDD=3.0 ∼ 3.6V)
Parameter
Input Resistance
Input Voltage
Input Sample Frequency
MS0267-E-03
because SRC is 20bit calculation. Therefore, SRC outputs “0” data.
when FSI is 8kHz and FSO is 48kHz.
(Input = 1kHz, 0dBFS, Note 5)
FSO/FSI = 44.1kHz/48kHz
FSO/FSI = 48kHz/44.1kHz
FSO/FSI = 32kHz/48kHz
FSO/FSI = 96kHz/32kHz
Worst Case (FSO/FSI = 48kHz/8kHz)
FSO/FSI = 44.1kHz/48kHz
FSO/FSI = 48kHz/44.1kHz
FSO/FSI = 32kHz/48kHz
FSO/FSI = 96kHz/32kHz
Worst Case (FSO/FSI = 32kHz/44.1kHz)
FSO/FSI = 44.1kHz/48kHz
S/PDIF RECEIVER CHARACTERISTICS
SRC CHARACTERISTICS
Symbol
(Note 4)
(Note 6)
VTH
Zin
fs
- 8 -
FSO/FSI
Symbol
FSO
FSI
min
200
32
-
0.33
min
112
32
8
-
-
-
-
-
-
-
-
-
-
typ
10
-
−113
−113
−114
−111
114
115
115
116
117
typ
-
-
max
96
-
−103
max
24
96
96
6
-
-
-
-
-
-
-
-
-
-
[AK4122]
mVpp
Units
2004/08
kHz
kΩ
Units
kHz
kHz
Bits
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
-
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