AKD4358 データシートの表示（PDF） - Asahi Kasei Microdevices
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AKD4358 Datasheet PDF : 35 Pages
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ASAHI KASEI
[AK4358]
ANALOG CHARACTERISTICS
(Ta=25°C; AVDD, DVDD=5V; VREFH=AVDD; fs=44.1kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Input Data;
Measurement frequency=20Hz ∼ 20kHz; RL ≥2kΩ; unless otherwise specified)
Parameter
Min
Typ
Max
Units
Resolution
24
Bits
Dynamic Characteristics
(Note 4)
THD+N
fs=44.1kHz
0dBFS
-94
-86
dB
BW=20kHz
-60dBFS
-48
-
dB
fs=96kHz
0dBFS
-92
-84
dB
BW=40kHz
-60dBFS
-45
-
dB
fs=192kHz
0dBFS
-92
-
dB
BW=40kHz
-60dBFS
-45
-
dB
Dynamic Range (-60dBFS with A-weighted) (Note 5)
102
112
dB
S/N
(A-weighted)
(Note 6)
102
112
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 7)
±2.35
±2.5
±2.65
Vpp
Load Resistance
(Note 8)
2
kΩ
Power Supplies
Power Supply Current (AVDD+DVDD)
Normal Operation (PDN = “H”, fs≤96kHz)
Normal Operation (PDN = “H”, fs=192kHz)
Power-Down Mode (PDN = “L”)
(Note 9)
(Note 10)
(Note 11)
56
70
mA
62
85
mA
10
100
µA
Note 4. Measured by Audio Precision System Two. Refer to the evaluation board manual.
Note 5. 100dB at 16bit data.
Note 6. S/N does not depend on input bit length.
Note 7. Full scale voltage (0dB). Output voltage scales with the voltage of VREFH pin. AOUT (typ. @0dB) =
(AOUT+)-(AOUT-) = ±2.5Vpp×VREFH/5.0
Note 8. For AC-load. 4kΩ for DC-load
Note 9 AVDD=40mA(Typ), DVDD=12mA(Typ)@44.1kHz&5V, 16mA(Typ)@96kHz&5V
Note 10 AVDD=40mA(Typ), DVDD=22mA(Typ)@192kHz&5V
Note 11. All digital inputs including clock pins (MCLK, BICK and LRCK) are held DVDD or DVSS.
MS0203-E-00
-6-
2003/02
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