ASAHI KASEI
[AK5394A]
ANALOG CHARACTERISTICS
(Ta = 25°C; VA=5.0V; VD=3.3V; AGND=BGND=DGND=0V; fs=48kHz; Signal Frequency=1kHz; 24bit Output;
Measurement frequency=10Hz
∼
20kHz; DFS0=“L”, DFS1=“L”;
External circuit: Figure 9
Inputted through XLR;
unless otherwise specified)
Parameter
Resolution
Analog Input Characteristics:
−1dBFS
(Note4)
−1dBFS
fs=48kHz
−20dBFS
−60dBFS
−1dBFS
(Note4)
fs=96kHz
−1dBFS
BW=40kHz
−20dBFS
−60dBFS
−1dBFS
fs=192kHz
−20dBFS
BW=80kHz
−60dBFS
Dynamic Range (-60dBFS with A-weighted)
(Note4)
S/N
( A-weighted)
(Note4)
Interchannel Isolation
Interchannel Gain Mismatch
Gain Drift
After calibration, HPF=OFF
Offset Error
After calibration, HPF=ON
Offset Drift
(HPF=OFF)
Offset Calibration Range
(HPF=OFF) (Note5)
Input Voltage (AIN+)
−
(AIN−)
S/(N+D)
Power Supplies:
Power Supply Current
VA
VD (fs=48kHz; DFS0=“L”, DFS1=“L”)
(fs=96kHz; DFS0=“H”, DFS1=“L”)
(fs=192kHz; DFS0=“L”, DFS1=“H”)
Power Dissipation
Power Supply Rejection
(Note 6)
127
9
13
21
665
70
165
13.5
20
32
870
mA
mA
mA
mA
mW
dB
-
87
-
-
-
87
-
-
-
-
117
-
117
-
110
110
94
100
60
110
94
97
57
94
92
52
123
120
123
120
120
0.1
150
±1000
±1
±10
±50
±2.4
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
dB
ppm/°C
LSB
24
LSB
24
LSB
24
/°C
mV
V
min
Typ
Max
24
Units
Bits
0.5
-
-
-
±2.55
-
±2.25
Notes: 4. Using the circuit as shown in Figure9 (Analog input buffer circuit example 1). 1000µF capacitors connected
between VREF+/− pin and GND.
5. The output level reduces equivalent to DC offset after calibration.
6. PSRR is applied to VA and VD with 1kHz, 20mVpp.
MS0137-E-01
-7-
2002/07
AKM [ ASAHI KASEI MICROSYSTEMS ]
