AK5359 Datasheet, PDF (5/18 Pages) Asahi Kasei Microsystems – 24-Bit 192kHz ΔΣ ADC

ASAHI KASEI
[AK5359]
ANALOG CHARACTERISTICS
(Ta=25°C; VA=VD=5.0V; AGND=DGND=0V; fs=48kHz; SCLK=64fs; Signal Frequency=1kHz;
24bit Data; Measurement frequency=20Hz ∼ 20kHz at fs=48kHz, unless otherwise specified)
Parameter
ADC Analog Input Characteristics:
min
typ
max
Resolution
24
Input Voltage
(Note 5)
2.7
S/(N+D)
fs=48kHz
−1dBFS
84
BW=20kHz
−60dBFS
-
fs=96kHz
−1dBFS
82
BW=40kHz
−60dBFS
-
fs=192kHz
−1dBFS
-
BW=40kHz
−60dBFS
-
DR
(−60dBFS, A-weighted)
94
S/N
(A-weighted)
94
Input Resistance
fs=48kHz
13
fs=96kHz,192kHz
9
Interchannel Isolation
90
Interchannel Gain Mismatch
Gain Drift
Power Supply Rejection
(Note 6)
-
3.0
3.3
94
39
92
38
90
38
102
102
20
14
110
0.1
0.5
100
-
50
Power Supplies
Power Supply Current
Normal Operation (PDN pin = “H”)
VA
15
24
VD
(fs=48kHz)
4
6
VD
(fs=96kHz)
7
10
VD
(fs=192kHz)
10
16
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.
Units
Bits
Vpp
dB
dB
dB
dB
dB
dB
dB
dB
kΩ
kΩ
dB
dB
ppm/°C
dB
mA
mA
mA
mA
µA
MS0428-E-00
-5-
2005/09