ASAHI KASEI
[AK4683]
ANALOG CHARACTERISTICS
(Ta=25°C; AVDD1, AVDD2, HVDD, DVDD, PVDD, TVDD=5V; AVSS1, AVSS2, HVSS, DVSS, PVSS=0V;
fs=48kHz; BICK=64fs; Signal Frequency=1kHz; 24bit Data; Measurement Frequency=20Hz∼20kHz at fs=48kHz,
20Hz~40kHz at fs=96kHz; 20Hz~40kHz at fs=192kHz, all blocks are synchronized, unless otherwise specified)
Parameter
min
typ
max
Units
Pre-Amp Characteristics:
Feedback Resistance
10
50
kΩ
S/(N+D)
(Note 5)
-
100
dB
S/N
(A-weighted) (Note 5)
-
108
dB
Load Capacitance
20
pF
ADC Analog Input Characteristics
(note 6)
Resolution
24
Bits
S/(N+D)
(-0.5dBFS) fs=48kHz
84
92
dB
fs=96kHz
-
86
dB
DR
(-60dBFS) fs=48kHz, A-weighted
92
100
dB
fs=96kHz
-
96
dB
fs=96kHz, A-weighted
-
100
dB
dB
100
92
S/N
(Note 7)
fs=48kHz, A-weighted
dB
96
-
fs=96kHz
dB
100
-
fs=96kHz, A-weighted
Interchannel Isolation
(Note 8)
90
105
dB
Interchannel Gain Mismatch
0.2
0.5
dB
Gain Drift
50
-
ppm/°C
Input Voltage (note 6)
AIN=1.22xAVDD1
5.7
6.1
6.5
Vpp
Power Supply Rejection
(Note 9)
50
dB
DAC Analog Output Characteristics
Resolution
24
Bits
dB
90
80
S/(N+D)
fs=48kHz
dB
88
-
fs=96kHz
dB
88
-
fs=192kHz
DR
(-60dBFS)
fs=48kHz, A-weighted
95
106
dB
fs=96kHz
-
100
dB
fs=96kHz, A-weighted
-
106
dB
fs=192kHz
-
100
dB
fs=192kHz, A-weighted
-
106
dB
S/N
(Note 10)
fs=48kHz, A-weighted
95
106
dB
fs=96kHz
-
100
dB
fs=96kHz, A-weighted
-
106
dB
fs=192kHz
-
100
dB
fs=192kHz, A-weighted
-
106
dB
Interchannel Isolation
90
110
dB
Interchannel Gain Mismatch
0.2
0.5
dB
Gain Drift
50
-
ppm/°C
Output Voltage
AOUT=0.6xAVDD2
2.75
3.0
3.25
Vpp
Load Resistance
(AC Load)
5
kΩ
Load Capacitance
30
pF
Power Supply Rejection
(Note 9)
50
dB
MS0427-E-01
-8-
2005/11
AKM [ ASAHI KASEI MICROSYSTEMS ]
