AK4121A_10 Datasheet, PDF (4/20 Pages) Asahi Kasei Microsystems – Asynchronous Sample Rate Converter

[AK4121A]
ABSOLUTE MAXIMUM RATINGS
(AVSS=DVSS=0V; Note 1)
Parameter
Symbol
min
Power Supplies: Core
VDD
−0.3
Input Buffer
TVDD
−0.3
|AVSS-DVSS| (Note 1)
Δ GND
Input Current, Any Pin Except Supplies
IIN
-
Input Voltage
VIN
−0.3
Ambient Temperature (Power applied)
Ta
−40
Storage Temperature
Tstg
−65
Note 1. All voltages with respect to ground.
max
4.6
6.0
0.3
±10
TVDD+0.3
85
150
WARNING: Operation at or beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
Units
V
V
V
mA
V
°C
°C
RECOMMENDED OPERATING CONDITIONS
(AVSS=DVSS=0V; Note 2)
Parameter
Symbol
min
typ
Power Supplies: Core
VDD
3.0
3.3
Input Buffer
TVDD
VDD
5
Note 2. All voltages with respect to ground.
max
Units
3.6
V
5.5
V
SRC PERFORMANCE
(Ta=−40∼85°C; VDD=3.0∼3.6V; TVDD=3.0~5.5V; data=20bit; measurement bandwidth=20Hz~FSO/2;
unless otherwise specified.)
Parameter
Symbol min typ max
Resolution
20
Input Sample Rate
FSI
8
96
Output Sample Rate
FSO
32
96
Dynamic Range (Input= 1kHz, −60dBFS, Note 3)
FSO/FSI=44.1kHz/48kHz
FSO/FSI=48kHz/44.1kHz
FSO/FSI=32kHz/48kHz
FSO/FSI=96kHz/32kHz
Worst Case (FSO/FSI=48kHz/96kHz)
Dynamic Range (Input= 1kHz, −60dBFS, A-weighted, Note 3)
FSO/FSI=44.1kHz/48kHz
-
114
-
-
114
-
-
114
-
-
115
-
112
-
-
-
117
-
THD+N
(Input= 1kHz, 0dBFS, Note 3)
FSO/FSI=44.1kHz/48kHz
FSO/FSI=48kHz/44.1kHz
FSO/FSI=32kHz/48kHz
FSO/FSI=96kHz/32kHz
Worst Case (FSO/FSI=48kHz/8kHz)
-
−113
-
-
−112
-
-
−113
-
-
−111
-
-
-
−103
Ratio between Input and Output Sample Rate
(FSO/FSI, Note 4, Note 5)
FSO/FSI _0.33
6
Note 3. Measured by Rohde & Schwarz UPD04, Rejection Filter= wide, 8192point FFT.
Note 4. The “0.33” is the ratio of FSO/FSI when FSI is 96kHz and FSO is 32kHz
Note 5. The “6” is the ratio when FSI is 8kHz and FSO is 48kHz.
Units
Bits
kHz
kHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
-
MS0337-E-06
-4-
2010/04