AKD4344 Ver la hoja de datos (PDF) - Asahi Kasei Microdevices
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AKD4344 Datasheet PDF : 25 Pages
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[AK4344]
FILTER CHARACTERISTICS
(Ta=25°C; VDD=2.7 ∼ 3.6V; fs=44.1kHz; DEM1 bit= “0”, DEM0 bit= “1”)
Parameter
Symbol
min
typ
max
Units
DAC Digital Filter:
Passband
(Note 8) ±0.05dB
PB
0
20.0
kHz
−6.0dB
-
22.05
-
kHz
Stopband
(Note 8)
SB
24.1
kHz
Passband Ripple
PR
±0.01
dB
Stopband Attenuation
SA
54
dB
Group Delay
(Note 9)
GD
-
24.0
-
1/fs
Digital Filter + SCF + CTF:
Frequency Response 0 ∼ 20kHz
FR
-
±0.1
-
dB
∼ 40kHz (Note 10)
-
±0.2
-
dB
Note 8. The passband and stopband frequencies scale with fs (system sampling rate).
Note 9. The calculating delay time which occurred by digital filtering. This time is from setting the 16/24bit data
of both channels to input register to the output of analog signal.
Note 10. At fs=96kHz.
DC CHARACTERISTICS
(Ta=25°C; VDD=2.7 ∼ 3.6V)
Parameter
Symbol
min
typ
max
Units
High-Level Input Voltage
VIH
70%VDD
-
-
V
Low-Level Input Voltage
VIL
-
-
30%VDD
V
High-Level Output Voltage (Iout=-80µA)
VOH
VDD-0.4
-
-
V
Low-Level Output Voltage (Iout=80µA)
VOL
-
0.4
V
Input Leakage Current
Iin
-
-
± 10
µA
MS0641-E-01
-7-
2010/09
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