ASAHI KASEI
[AK4620B]
ANALOG CHARACTERISTICS (ADC: Single-ended Input)
(Ta=25°C; VA=5V, VD=3.3V, VT=5V; AGND=DGND=0V; VREF=VA; fs=44.1kHz; Signal Frequency =1kHz; 24bit
Data; Measurement frequency=20Hz
∼
20kHz at fs=44.1kHz, 40Hz
∼
40kHz at fs=96kHz, 40Hz
∼
40kHz at fs=192kHz;
unless otherwise specified)
Parameter
min
typ
max
Units
Input PGA Characteristics:
Input Voltage
(Note 6)
2.77
3.07
3.37
Vpp
Input Resistance
(Note 7)
0.7
5.1
-
kΩ
Step Size
0.2
0.5
0.8
dB
Gain Control Range
0
18
dB
ADC Analog Input Characteristics: IPGA=0dB
Resolution
24
Bits
S/(N+D)
fs=44.1kHz
-1dBFS
80
90
dB
BW=20kHz
-60dBFS
-
47
dB
fs=96kHz
-1dBFS
-
90
dB
BW=40kHz
-60dBFS
-
44
dB
fs=192kHz
-1dBFS
-
90
dB
BW=40kHz
-60dBFS
-
44
dB
Dynamic Range
(-60dBFS with A-weighted)
-
110
dB
S/N
(A-weighted)
101
110
dB
Interchannel Isolation
90
105
dB
Interchannel Gain Mismatch
0.2
0.5
dB
Gain Drift
150
-
ppm/°C
Power Supply Rejection
(Note 8)
-
50
dB
ANALOG CHARACTERISTICS (ADC: Differential Input)
(Ta=25°C; VA=5V, VD=3.3V, VT=5V; AGND=DGND=0V; VREF=VA; fs=44.1kHz; Signal Frequency =1kHz; 24bit
Data; Measurement frequency=20Hz
∼
20kHz at fs=44.1kHz, 40Hz
∼
40kHz at fs=96kHz, 40Hz
∼
40kHz at fs=192kHz;
unless otherwise specified)
Parameter
min
typ
max
Units
ADC Analog Input Characteristics:
Resolution
24
Bits
Input Voltage
(
Note 9
)
±2.62
±2.82
±3.02
Vpp
Input Resistance
fs=44.1kHz
8
14
-
kΩ
fs=48kHz
-
13
-
kΩ
fs=96kHz
-
13
-
kΩ
fs=192kHz
-
13
-
kΩ
S/(N+D)
fs=44.1kHz
-1dBFS
90
100
dB
BW=20kHz
-60dBFS
-
50
dB
fs=96kHz
-1dBFS
-
100
dB
BW=40kHz
-60dBFS
-
46
dB
fs=192kHz
-1dBFS
-
100
dB
BW=40kHz
-60dBFS
-
46
dB
Dynamic Range
(-60dBFS with A-weighted)
-
113
dB
S/N
(A-weighted)
103
113
dB
Interchannel Isolation
90
120
dB
Interchannel Gain Mismatch
0.1
0.5
dB
Gain Drift
20
-
ppm/°C
Power Supply Rejection
(Note 8)
-
50
dB
MS0401-E-00
-7-
2005/07
AKM [ ASAHI KASEI MICROSYSTEMS ]
