
[AK4121A]
ABSOLUTE MAXIMUM RATINGS
(AVSS=DVSS=0V; Note 1)
Parameter
Power Supplies:
Symbol
VDD
TVDD
Δ
GND
IIN
VIN
Ta
Tstg
min
0.3
0.3
-
0.3
40
65
max
4.6
6.0
0.3
±
10
Units
V
V
V
mA
V
°
C
°
C
Core
Input Buffer
|AVSS-DVSS| (Note 1)
Input Current, Any Pin Except Supplies
Input Voltage
Ambient Temperature (Power applied)
Storage Temperature
TVDD+0.3
85
150
Note 1. All voltages with respect to ground.
WARNING: Operation at or beyond these limits may result in permanent damage to the device.
Normal operation is not guaranteed at these extremes.
RECOMMENDED OPERATING CONDITIONS
(AVSS=DVSS=0V; Note 2)
Parameter
Power Supplies: Core
Input Buffer
Note 2. All voltages with respect to ground.
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
Resolution
Input Sample Rate
Output Sample Rate
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
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)
Ratio between Input and Output Sample Rate
(FSO/FSI, Note 4, Note 5)
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.
Symbol
VDD
TVDD
min
3.0
VDD
typ
3.3
5
max
3.6
5.5
Units
V
V
Symbol
FSI
FSO
min
8
32
-
-
-
-
112
-
-
-
-
-
-
0.33
typ
114
114
114
115
-
117
113
112
113
111
-
max
20
96
96
-
-
-
-
-
-
-
-
-
-
103
6
Units
Bits
kHz
kHz
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
-
FSO/FSI
MS0337-E-02
2007/07
- 4 -