AK4552 Просмотр технического описания (PDF) - Asahi Kasei Microdevices
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AK4552 Datasheet PDF : 15 Pages
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ASAHI KASEI
[AK4552]
ANALOG CHARACTERISTICS
(Ta=25°C; VA, VD=3.0V; VSS=0V; fs=44.1kHz; Signal Frequency=1kHz; BCLK=64fs;
Measurement frequency=10Hz ∼ 20kHz at fs=44.1kHz, 20Hz ∼ 40kHz at fs=96kHz; unless otherwise specified)
Parameter
min
typ
max
Units
ADC Analog Input Characteristics: (Note 3)
Resolution
S/(N+D)
(-0.5dB Input) fs=44.1kHz
80
89
fs=96kHz
80
89
D-Range
(-60dB Input) fs=44.1kHz, A-weighted
90
97
fs=96kHz
87
94
fs=96kHz, A-weighted
-
100
S/N
fs=44.1kHz, A-weighted
90
97
fs=96kHz
87
94
fs=96kHz, A-weighted
-
100
Interchannel Isolation
90
110
Interchannel Gain Mismatch
0.2
Input Voltage
(Note 4)
1.65
1.85
Input Resistance
fs=44.1kHz
20
34
fs=96kHz
14
24
DAC Analog Output Characteristics:
24
Bits
dB
dB
dB
dB
dB
dB
dB
dB
dB
0.5
dB
2.05
Vpp
-
kΩ
-
kΩ
Resolution
S/(N+D)
(0dB Output) fs=44.1kHz
78
88
fs=96kHz
75
85
D-Range
(-60dB Output)
fs=44.1kHz, A-weighted
fs=96kHz
93
88
100
96
fs=96kHz, A-weighted
-
100
S/N
fs=44.1kHz, A-weighted
93
100
fs=96kHz
88
96
fs=96kHz, A-weighted
-
100
Interchannel Isolation
90
110
Interchannel Gain Mismatch
0.2
Output Voltage
(Note 4)
1.56
1.75
Load Resistance
10
Load Capacitance
Power Supplies
24
Bits
dB
dB
dB
dB
dB
dB
dB
dB
dB
0.5
dB
1.94
Vpp
kΩ
30
pF
Power Supply Current (VA+VD)
Power up
PDN = “H”
Power down (Note 5) PDN = “L”
fs=44.1kHz
fs=96kHz
14
21
mA
18
27
mA
10
100
µA
Note: 3. The offset of ADC is removed by internal HPF.
Note: 4. Input/Output of ADC and DAC scales with VA voltage. (ADC = 0.617 x VA, DAC = 0.583 x VA)
Note: 5. In case of power-down mode, all digital input including clocks pins (MCLK, BCLK, LRCK) are held VD
or VSS. But PDN pin is held VSS.
MS0055-E-01
-4-
2001/02
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