AK5358A_08 Datasheet, PDF (5/18 Pages) Asahi Kasei Microsystems – 96kHz 24-Bit ΔΣ ADC

[AK5358A]
ANALOG CHARACTERISTICS
(Ta=25°C; VA=5.0V, VD=5.0V; AGND=DGND=0V; fs=48kHz, 96kHz; SCLK=64fs; Signal Frequency=1kHz; 24bit
Data; Measurement frequency=20Hz ∼ 20kHz at fs=48kHz, 40Hz ∼ 40kHz at fs=96kHz; 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
−1dBFS
82
92
dB
BW=20kHz
−60dBFS
-
39
dB
fs=96kHz
−1dBFS
-
90
dB
BW=40kHz
−60dBFS
-
38
dB
DR
(−60dBFS, A-weighted)
94
102
dB
S/N
(A-weighted)
Input Resistance
fs=48kHz
fs=96kHz
Interchannel Isolation
Interchannel Gain Mismatch
Gain Drift
Power Supply Rejection
94
13
9
90
(Note 6)
-
102
dB
20
kΩ
14
kΩ
110
dB
0.1
0.5
dB
100
-
ppm/°C
50
dB
Power Supplies
Power Supply Current
Normal Operation (PDN pin = “H”)
VA
12
18
mA
VD
(fs=48kHz)
(Note 7)
3
5
mA
VD
(fs=96kHz)
(Note 8)
6
9
mA
Power down mode (PDN pin = “L”)
(Note 9)
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. VD=2mA@3V
Note 8. VD=4mA@3V
Note 9. All digital input pins and CKS1 pin are held VD or DGND.
MS0511-E-02
-5-
2008/01