ASAHI KASEI
[AK5386]
ANALOG CHARACTERISTICS
(Ta=25°C; VA=5.0V, VD=3.3V; AGND=DGND=0V; fs=48kHz, 96kHz, 192kHz; SCLK=64fs; Signal
Frequency=1kHz; 24bit Data; Measurement frequency=20Hz
∼
20kHz at fs=48kHz, 40Hz
∼
40kHz at fs=96kHz,
40Hz
∼
40kHz at fs=192kHz; unless otherwise specified)
Parameter
min
typ
max
Units
ADC Analog Input Characteristics:
Resolution
24
Bits
Input Voltage
(Note 5)
2.7
3.0
3.3
Vpp
S/(N+D)
fs=48kHz
86
96
-
dB
−1dBFS
BW=20kHz
-
47
-
dB
−60dBFS
fs=96kHz
86
92
-
dB
−1dBFS
BW=40kHz
-
42
-
dB
−60dBFS
fs=192kHz
-
90
-
dB
−1dBFS
BW=40kHz
-
42
-
dB
−60dBFS
DR
(
−
60dBFS with A-weighted)
102
110
-
dB
S/N
(A-weighted)
102
110
-
dB
Input Resistance
4
6
-
kΩ
Interchannel Isolation
95
115
-
dB
Interchannel Gain Mismatch
-
0.1
0.5
dB
Gain Drift
-
100
-
ppm/°C
Power Supply Rejection
(Note 6)
-
50
-
dB
Power Supplies
Power Supply Current
Normal Operation (PDN pin = “H”)
VA
-
20
30
mA
VD
(fs=48kHz)
-
7
11
mA
VD
(fs=96kHz)
-
10
15
mA
VD
(fs=192kHz)
-
10
15
mA
Power down mode (PDN pin = “L”)
(Note 7)
VA+VD
-
10
100
µA
Note 5. This value is the full scale (0dB) of the input voltage. Input voltage is proportional to VA voltage.
Vin = 0.6 x VA (Vpp).
Note 6. PSR is applied to VA and VD with 1kHz, 50mVpp.
Note 7. All digital input pins are held VD or DGND.
MS0579-E-00
-5-
2006/12
AKM [ ASAHI KASEI MICROSYSTEMS ]
