AK5394A Datasheet, PDF (7/24 Pages) Asahi Kasei Microsystems – Super High Performance 192kHz 24-Bit ADC

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
min
Typ
Max
Units
Resolution
24
Bits
Analog Input Characteristics:
S/(N+D)
−1dBFS (Note4)
-
110
dB
−1dBFS
87
94
dB
fs=48kHz
−20dBFS
-
100
dB
−60dBFS
-
60
dB
−1dBFS (Note4)
110
dB
fs=96kHz
−1dBFS
-
94
dB
BW=40kHz
−20dBFS
87
97
dB
−60dBFS
-
57
dB
−1dBFS
-
94
dB
fs=192kHz
−20dBFS
-
92
dB
BW=80kHz
−60dBFS
-
52
dB
Dynamic Range (-60dBFS with A-weighted)
117
123
dB
(Note4)
-
120
dB
S/N
( A-weighted)
117
123
dB
(Note4)
-
120
dB
Interchannel Isolation
110
120
dB
Interchannel Gain Mismatch
Gain Drift
Offset Error
After calibration, HPF=OFF
After calibration, HPF=ON
Offset Drift
(HPF=OFF)
Offset Calibration Range
(HPF=OFF) (Note5)
Input Voltage (AIN+) − (AIN−)
-
±2.25
0.1
150
±1000
±1
±10
±50
±2.4
0.5
-
-
-
±2.55
dB
ppm/°C
LSB₂₄
LSB₂₄
LSB₂₄/°C
mV
V
Power Supplies:
Power Supply Current
VA
127
165
mA
VD (fs=48kHz; DFS0=“L”, DFS1=“L”)
9
13.5
mA
(fs=96kHz; DFS0=“H”, DFS1=“L”)
13
20
mA
(fs=192kHz; DFS0=“L”, DFS1=“H”)
21
32
mA
Power Dissipation
665
870
mW
Power Supply Rejection
(Note 6)
70
dB
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