[AK4458]
014011794-E-01
2015/08
- 11 -
8. Electrical Characteristics
■
Analog Characteristics
(1) AVDD = 5.0V
(Ta=25
C: TVDD=3.3V, AVDD=5.0V: AVSS= DVSS=0V: VREFH1/2/3/4=AVDD, VREFL1/2/3/4=
AVSS: fs=44.1kHz: BICK=64fs: Signal Frequency=1kHz: 24-bit Input Data: R
L
2k
: measurement
bandwidth = 20Hz ~ 20kHz: External Circuit: (
Figure 75)
, unless otherwise specified.)
Parameter
Min.
Typ.
Max.
Unit
Resolution
-
-
32
bit
Dynamic Characteristics
(
Note 9
)
THD+N
fs=44.1kHz
BW=20kHz
0dBFS
60dBFS
-
-
-107
-52
-100
-
dB
dB
fs=96kHz
BW=40kHz
0dBFS
60dBFS
-
-
-104
-48
-
-
dB
dB
fs=192kHz
BW=40kHz
BW=80kHz
0dBFS
60dBFS
60dBFS
-104
-48
-44
-
-
-
dB
dB
dB
Dynamic Range (
60dBFS with A-weighted) (
Note 10
)
110
115
-
dB
S/N (A-weighted) (
Note 11
)
110
115
-
dB
Interchannel Isolation (1kHz)
100
110
-
dB
DC Accuracy
Interchannel Gain Mismatch
-
0
0.3
dB
Gain Drift (
Note 12
)
-
20
-
ppm/
C
Output Voltage (
Note 13
)
2.65
2.8
2.95
Vpp
Load Resistance (
Note 14
)
2
-
-
k
Load Capacitance (
Note 14
)
-
-
30
pF
Power Supplies
Power Supply Current
Normal operation (PDN pin = “H”)
AVDD
TVDD (fs = 44.1kHz)
TVDD (fs = 96kHz)
TVDD (fs = 192kHz)
-
-
-
-
31
8
13
20
41
11
17
26
mA
mA
mA
mA
Power down (PDN pin = “L”) (
Note 15
)
AVDD+TVDD
-
1
100
A
