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AK4421ET Datasheet(PDF) 6 Page - Asahi Kasei Microsystems

Part No. AK4421ET
Description  192kHz 24-Bit Stereo ?誇 DAC with 2Vrms Output
Download  19 Pages
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Manufacturer  AKM [Asahi Kasei Microsystems]
Direct Link  http://www.akm.com
Logo AKM - Asahi Kasei Microsystems

AK4421ET Datasheet(HTML) 6 Page - Asahi Kasei Microsystems

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[AK4421]
MS0945-E-01
2008/08
- 6 -
FILTER CHARACTERISTICS
(Ta = 25
°C; VDD=CVDD = +3.0 ∼ +3.6V; fs = 44.1 kHz)
Parameter
Symbol
min
typ
max
Units
Digital filter
Passband
±0.05dB (Note 12)
–6.0dB
PB
0
-
22.05
20.0
-
kHz
kHz
Stopband (Note 12)
SB
24.1
kHz
Passband Ripple
PR
± 0.02
dB
Stopband Attenuation
SA
54
dB
Group Delay (Note 13)
GD
-
19.3
-
1/fs
Digital Filter + LPF
Frequency Response
20.0kHz
40.0kHz
80.0kHz
fs=44.1kHz
fs=96kHz
fs=192kHz
FR
FR
FR
-
-
-
± 0.05
± 0.05
± 0.05
-
-
-
dB
dB
dB
Note 12. The passband and stopband frequencies scale with fs (system sampling rate).
For example, PB=0.4535×fs (@
±0.05dB), SB=0.546×fs.
Note 13. Calculated delay time caused by the digital filter. This time is measured from setting the 16/24bit data
of both channels to input register to the output of the analog signal.
DC CHARACTERISTICS
(Ta = 25
°C; VDD=CVDD = +3.0 ∼ +3.6V)
Parameter
Symbol
min
typ
max
Units
High-Level Input Voltage
Low-Level Input Voltage
VIH
VIL
70%VDD
-
-
-
-
30%VDD
V
V
High-Level Output Voltage (Iout = -80uA)
Low-Level Output Voltage
(Iout = 80uA)
VOH
VOL
VDD-0.4
-
-
-
-
0.4
V
V
Input Leakage Current (Note 14)
Iin
-
-
± 10
μA
Note 14. The SMUTE pin is not included. The SMUTE pin has internal pull-down resistor (typ.100kΩ).


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