AK4388A 데이터 시트보기 (PDF) - Asahi Kasei Microdevices
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AK4388A Datasheet PDF : 18 Pages
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[AK4388A]
ANALOG CHARACTERISTICS
(Ta = 25°C; VDD = 5.0V; fs = 44.1kHz; BICK = 64fs; Signal Frequency = 1kHz; 24bit Input Data; Measurement
frequency = 20Hz ∼ 20kHz; RL ≥5kΩ; unless otherwise specified)
Parameter
min
typ
max
Units
Resolution
24
Bits
Dynamic Characteristics
(Note 2)
THD+N
fs=44.1kHz
0dBFS
–90
–80
dB
BW=20kHz
–60dBFS
–42
-
dB
fs=96kHz
0dBFS
–90
-
dB
BW=40kHz
–60dBFS
–39
-
dB
fs=192kHz
0dBFS
–85
-
dB
BW=40kHz
–60dBFS
–39
-
dB
Dynamic Range (-60dBFS with A-weighted) (Note 3)
98
106
dB
S/N
(A-weighted)
(Note 4)
98
106
dB
Interchannel Isolation (1kHz)
90
100
dB
Interchannel Gain Mismatch
0.2
0.5
dB
DC Accuracy
Gain Drift
100
-
ppm/°C
Output Voltage
(Note 5)
2.95
3.20
3.45
Vpp
Load Resistance
(Note 6)
5
kΩ
Load Capacitance
25
pF
Power Supplies
Power Supply Current (VDD)
Normal Operation (RSTN pin = “H”, fs ≤ 96kHz)
Normal Operation (RSTN pin = “H”, fs = 192kHz)
Power-Down Mode (RSTN pin = “L”)
(Note 7)
16
-
mA
18
27
mA
60
160
µA
Note 2. Measured by Audio Precision (System Two). Refer to the evaluation board manual.
Note 3. 100dB at 16bit data.
Note 4. S/N does not depend on input bit length.
Note 5. Full-scale voltage (0dB). Output voltage scales with the voltage of VDD, AOUT (typ.@0dB) = 3.20Vpp ×
VDD/5.
Note 6. For AC-load.
Note 7. The DIF1 pin is held to VDD and the other all digital inputs including clock pins (MCLK, BICK and LRCK) are
held to VSS.
MS1008-E-02
-4-
2010/09
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