AK5358 Datasheet, PDF (5/17 Pages) Asahi Kasei Microsystems – 96kHz 24-Bit ΔΣ ADC

ASAHI KASEI
[AK5358]
ANALOG CHARACTERISTICS
(Ta=25°C; VA=5.0V, VD=3.3V; 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)
94
102
dB
Input Resistance
fs=48kHz
fs=96kHz
Interchannel Isolation
Interchannel Gain Mismatch
Gain Drift
Power Supply Rejection
13
9
90
(Note 6)
-
20
14
110
0.1
0.5
100
-
50
Power Supplies
Power Supply Current
Normal Operation (PDN pin = “H”)
VA
12
18
VD
(fs=48kHz)
3
5
VD
(fs=96kHz)
6
9
Power down mode (PDN pin = “L”)
(Note 7)
VA+VD
10
100
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 and CKS1 pin are held VD or DGND.
kΩ
kΩ
dB
dB
ppm/°C
dB
mA
mA
mA
µA
MS0438-E-00
-5-
2005/11