
ASAHI KASEI 
[AK4683] 
MS0427-E-01 
2005/11 
- 8 - 
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 
Pre-Amp Characteristics: 
Feedback Resistance 
S/(N+D)                                    (Note 5)
S/N                             (A-weighted) (Note 5)
Load Capacitance 
ADC Analog Input Characteristics 
(note 6)
Resolution 
S/(N+D)         (-0.5dBFS) 
fs=48kHz 
fs=96kHz 
DR              (-60dBFS) 
fs=48kHz, A-weighted 
fs=96kHz 
fs=96kHz, A-weighted 
S/N               (Note 7) 
fs=48kHz, A-weighted 
fs=96kHz 
fs=96kHz, A-weighted 
Interchannel Isolation                         (Note 8) 
Interchannel Gain Mismatch 
Gain Drift 
Input Voltage (note 6) 
AIN=1.22xAVDD1 
Power Supply Rejection                        (Note 9)
DAC Analog Output Characteristics
Resolution 
S/(N+D) 
fs=48kHz 
fs=96kHz 
fs=192kHz 
DR             (-60dBFS) 
fs=48kHz, A-weighted 
fs=96kHz 
fs=96kHz, A-weighted 
fs=192kHz 
fs=192kHz, A-weighted 
S/N             (Note 10) 
fs=48kHz, A-weighted 
fs=96kHz 
fs=96kHz, A-weighted 
fs=192kHz 
fs=192kHz, A-weighted 
Interchannel Isolation 
Interchannel Gain Mismatch
Gain Drift
Output Voltage              AOUT=0.6xAVDD2
Load Resistance             (AC Load) 
Load Capacitance
Power Supply Rejection                       (Note 9)
min 
typ 
max 
Units 
10 
- 
- 
50 
20 
k
dB 
dB 
pF 
100 
108 
24 
Bits
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
ppm/
°
C
Vpp 
dB 
84 
- 
92 
- 
- 
92 
- 
- 
90 
5.7 
 92 
 86 
100 
 96 
100 
100 
 96 
100 
105 
0.2 
50 
6.1 
50 
0.5 
- 
6.5 
24 
Bits 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
ppm/
°
C
Vpp 
k
pF 
dB 
80 
- 
- 
95 
- 
- 
- 
- 
95 
- 
- 
- 
- 
90 
2.75 
5 
90 
88 
88 
106 
100 
106 
100 
106 
106 
100 
106 
100 
106 
110 
0.2 
50 
3.0 
50 
0.5 
- 
3.25 
30