ak4562 AKM Semiconductor, Inc., ak4562 Datasheet - Page 8

• Manufacturer Part Number: ak4562
• Description: Low Power 20bit Codec With Pga
• Manufacturer: AKM Semiconductor, Inc.

ASAHI KASEI
(Ta=-20
Parameter
ADC Digital Filter (Decimation LPF):
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
Group Delay Distortion
ADC Digital Filter (HPF):
Frequency Response (Note 12)
DAC Digital Filter:
Passband
Stopband
Passband Ripple
Stopband Attenuation
Group Delay
Group Delay Distortion
DAC Digital Filter + Analog Filter
Frequency Response
Note : 12. The passband and stopband frequencies scale with fs (sampling frequency).
Note : 13. The calculating delay time which occurred by digital filtering. This time is from the input of analog signal to
(Ta=-20
Parameter
High-Level Input Voltage
Low-Level Input Voltage
High-Level Output Voltage
Low-Level Output Voltage
Input Leakage Current
MS0031-E-00
For examples, PB=0.454 x fs(@ADC: -1.0dB), PB=0.454 x fs(@DAC: -0.1dB).
70 C; VA, VD=2.2 3.0V, VT=1.8
70 C; VA, VD=2.2 3.0V, VT=1.8
setting the 20bit data of both channels to the output register for ADC and include group delay of HPF. For
DAC, this time is from setting the data of both channels on input register to the output of analog signal.
(Note 13)
(Note 12)
(Note 12)
(Note 13)
0 20.0kHz
(Iout=-400uA)
(Iout=400uA)
(Note 12)
(Note 12)
-1.0dB
-3.0dB
-3dB
-0.5dB
-0.1dB
-6.0dB
0.1dB
0.1dB
FILTER CHARACTERISTICS
DC CHARACTERISTICS
Symbol
3.0; fs=44.1kHz; De-emphasis = OFF)
3.0V)
GD
GD
Symbol
PB
SB
PR
SA
FR
PB
SB
PR
SA
FR
GD
GD
VOH
VOL
VIH
VIL
Iin
- 8 -
75 VT
27.0
24.1
min
VT-0.4
65
43
0
0
min
-
-
-
22.05
20.0
21.1
17.0
14.7
typ
3.4
10
22
0.5
0
0
Typ
-
-
-
-
max
17.4
20.0
0.06
25 VT
0.1
max
0.4
-
-
10
[AK4562]
Units
kHz
kHz
kHz
kHz
kHz
kHz
kHz
1/fs
1/fs
2000/05
dB
dB
Hz
Hz
Hz
dB
dB
dB
us
us
Units
uA
V
V
V
V