AK4584 데이터 시트보기 (PDF) - Asahi Kasei Microdevices
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AK4584 Datasheet PDF : 53 Pages
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ASAHI KASEI
[AK4584]
ANALOG CHARACTERISTICS
(Ta=25°C; AVDD, DVDD, PVDD, TVDD=5.0V; AVSS=DVSS=PVSS=0V; VREF=AVDD; fs=44.1kHz, 96kHz,
192kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Data; Measurement frequency=10Hz ∼ 20kHz at fs=44.1kHz,
10Hz ∼ 40kHz at fs=96kHz; 10Hz ∼ 80kHz at fs=192kHz; unless otherwise specified)
Parameter
min
typ
max
Units
Input PGA Characteristics:
Input Voltage (Note 5) fs=44.1kHz, AIN=0.6 x AVDD
2.8
fs=96kHz, AIN=0.62 x AVDD
2.9
Input Resistance
5
3.0
3.2
Vpp
3.1
3.3
Vpp
10
15
kΩ
Step Size
0.2
0.5
0.8
dB
Gain Control Range
0
18
dB
ADC Analog Input Characteristics: IPGA=0dB
Resolution
24
Bits
S/(N+D)
(-0.5dBFS)
fs=44.1kHz
84
90
dB
fs=96kHz
80
88
dB
DR
(-60dBFS)
fs=44.1kHz, A-weighted
94
100
dB
fs=96kHz
88
96
dB
S/N
fs=44.1kHz, A-weighted
94
100
dB
fs=96kHz
88
96
dB
Interchannel Isolation
90
100
dB
Interchannel Gain Mismatch
Gain Drift
0.2
0.5
dB
20
-
ppm/°C
Power Supply Rejection
(Note 6)
50
-
dB
DAC Analog Output Characteristics:
Resolution
24
Bits
S/(N+D)
(0dBFS)
fs=44.1kHz
88
94
dB
fs=96kHz
86
92
dB
fs=192kHz
-
84
dB
DR
(-60dBFS)
fs=44.1kHz, A-weighted
98
104
dB
fs=96kHz
90
98
dB
fs=192kHz
-
85
dB
S/N
fs=44.1kHz, A-weighted
98
104
dB
fs=96kHz
90
98
dB
fs=192kHz
-
85
dB
Interchannel Isolation
90
100
dB
Interchannel Gain Mismatch
Gain Drift
0.2
0.5
dB
20
-
ppm/°C
Output Voltage
Load Resistance
(Note 7)
2.8
3.0
3.2
Vpp
5
kΩ
Load Capacitance
25
pF
Power Supply Rejection
(Note 6)
50
-
dB
Note: 5. Full scale (0dB) of the input voltage at IPGA = 0dB.
Note: 6. PSR is applied to AVDD, DVDD, PVDD and TVDD with 1kHz, 50mVpp.VREF pin is held a constant voltage.
Note: 7. This voltage is proportional to VREF. Vout = 0.6 x VREF.
MS0118-E-00
-8-
2001/11
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