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
min
typ
max
ADC Analog Input Characteristics:
Resolution
24
Input Voltage
(Note 5)
2.7
3.0
3.3
84
94
S/(N+D)
fs=48kHz
−
1dBFS
-
39
BW=20kHz
−
60dBFS
fs=96kHz
82
92
−1dBFS
BW=40kHz
-
38
−60dBFS
fs=192kHz
-
90
−1dBFS
BW=40kHz
-
38
−60dBFS
DR
(−60dBFS, A-weighted)
94
102
S/N
(A-weighted)
94
102
Input Resistance
fs=48kHz
13
20
fs=96kHz,192kHz
9
14
Interchannel Isolation
90
110
Interchannel Gain Mismatch
0.1
0.5
Gain Drift
100
-
Power Supply Rejection
(Note 6)
-
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
k
Ω
k
Ω
dB
dB
ppm/°C
dB
mA
mA
mA
mA
µA
MS0428-E-00
-5-
2005/09
AKM [ ASAHI KASEI MICROSYSTEMS ]
