ak4121 AKM Semiconductor, Inc., ak4121 Datasheet - Page 5

• Manufacturer Part Number: ak4121
• Description: Asynchronous Sample Rate Converter
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
(Ta= 40 85 C; VDD=3.0 3.6V; TVDD=3.0~5.5V)
Note 6. This value is the time from the rising edge of LRCK after data is input to rising edge of LRCK after data is
(Ta= 40 85 C; VDD=3.0~3.6V; TVDD=3.0~5.5V)
Note 7. All digital inputs including clock pins are held VSS.
MS0191-E-03
Parameter
Digital Filter
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
Parameter
Power Supply Current
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
Normal operation:
Power down: PDN = “L”
FSI=FSO=48kHz at Slave Mode: VDD=3.3V
FSI=FSO=96kHz at Master Mode: VDD=3.3V
output, when LRCK for Output data corresponds with LRCK for Input.(at 20bit MSB justified, 16bit and 20bit
LSB justified)
0.001dB
0.985 FSO/FSI 6.000
0.905 FSO/FSI 0.985
0.714 FSO/FSI 0.905
0.656 FSO/FSI 0.714
0.536 FSO/FSI 0.656
0.492 FSO/FSI 0.536
0.452 FSO/FSI 0.492
0.333 FSO/FSI 0.452
0.985 FSO/FSI 6.000
0.905 FSO/FSI 0.985
0.714 FSO/FSI 0.905
0.656 FSO/FSI 0.714
0.536 FSO/FSI 0.656
0.492 FSO/FSI 0.536
0.452 FSO/FSI 0.492
0.333 FSO/FSI 0.452
(Iout=400 A)
(Iout= 400 A)
: VDD=3.6V
(Note 6)
(Note 7)
DC CHARACTERISTICS
DIGITAL FILTER
Symbol
Symbol
GD
SA
PB
PB
PB
PB
PB
PB
PB
PB
SB
SB
SB
SB
SB
SB
SB
SB
PR
VOH
VOL
- 5 -
VIH
VIL
Iin
0.5417FSI
0.5021FSI
0.3965FSI
0.3643FSI
0.2974FSI
0.2732FSI
0.2510FSI
0.1822FSI
0.7xVDD
VDD-0.4
min
96
0
0
0
0
0
0
0
0
-
min
-
-
-
57.5
typ
typ
10
20
10
-
-
-
-
-
0.4583FSI
0.4167FSI
0.3195FSI
0.2852FSI
0.2245FSI
0.2003FSI
0.1781FSI
0.1092FSI
0.3xVDD
max
0.01
-
max
100
0.4
40
-
-
-
-
10
[AK4121]
Units
2004/08
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
kHz
1/fs
dB
dB
Units
mA
mA
mA
V
V
V
V
A
A