
ASAHI KASEI 
[AK4342] 
MS0506-E-02 
- 7 - 
2006/07 
ANALOG CHARACTERISTICS 
(Ta=25
°
C; AVDD=DVDD=HVDD=PVDD=3.3V, TVDD=1.8V, AVSS=DVSS=HVSS=PVSS=0V; fs=44.1kHz; 
Signal Frequency =1kHz; Measurement band width=10Hz 
~
 20kHz; Headphone-Amp: R
L 
=16
; Line output: R
L 
=10k
, 
Aux output: R
L 
=10k
; Charge Pump Circuit External Capacitance: C1=C2= 2.2
μ
F (see Figure 2); unless otherwise 
specified) 
Parameter 
DAC Resolution 
LINEIN: 
(LIN/RIN pins) 
Analog Input Characteristics: 
Maximum Input Voltage (Note 7) 
Feedback Resistance
Gain (LIN/RIN pins: External resistor  = 20k
) (Note 8) 
Vin = 1Vpp 
LIN/RIN 
→
 HPL/HPR  (Note 9) 
 LIN/RIN 
→
 LOUT/ROUT  (Note 10) 
 LIN/RIN 
→
 LAUX/RAUX 
Headphone-Amp: 
(DAC 
 HPL/HPR pins) (Note 11) 
Analog Output Characteristics 
THD+N 
fs=44.1kHz 
0dBFS Output, Po=62.5mW
BW=20kHz 
4dBFS Output, Po=25mW
fs=96kHz 
0dBFS Output, Po=62.5mW
BW=40kHz 
4dBFS Output, Po=25mW
Dynamic Range (
60dBFS Output, A-weighted) 
S/N (A-weighted) 
Interchannel Isolation 
DC Accuracy
Interchannel Gain Mismatch
Gain Drift 
Load Resistance 
Load Capacitance 
Output Voltage (0dBFS Output) (Note 12) 
Line Output: 
(DAC 
 LOUT/ROUT pins) (Note 13) 
Analog Output Characteristics 
THD+N 
fs=44.1kHz 
0dBFS Output 
BW=20kHz 
-60dBFS Output 
fs=96kHz 
0dBFS Output 
BW=40kHz 
-60dBFS Output 
Dynamic Range (
60dBFS Output, A-weighted) 
S/N (A-weighted) 
Interchannel Isolation 
DC Accuracy
Interchannel Gain Mismatch
Gain Drift 
Load Resistance 
Load Capacitance 
(C3 in Figure 3) 
Output Voltage 
(Note 14) 
min 
- 
typ 
- 
max 
24 
Units 
bit 
- 
- 
1.98 
26 
Vpp 
k
14 
20 
1.5 
4.5 
4.7 
1.5 
7.5 
1.7 
4.5 
10.5 
1.3 
dB 
dB 
dB 
- 
- 
- 
- 
40 
60 
40 
60 
95 
95 
80 
- 
dB 
dB 
dB 
dB 
dB 
dB 
dB 
50 
- 
50 
- 
- 
- 
87 
87 
60 
- 
- 
0.2 
200 
- 
- 
1.0 
1.0 
- 
- 
300 
1.1 
dB 
ppm/
°
C
pF 
Vrms 
16 
- 
0.9 
- 
- 
- 
- 
88 
37 
88 
35 
100 
100 
100 
78 
- 
78 
- 
- 
- 
- 
dB  
dB 
dB  
dB 
dB 
dB 
dB 
92 
92 
80 
- 
- 
0.2 
200 
- 
- 
2.0 
0.8 
- 
- 
25 
2.2 
dB 
ppm/
°
C
k
pF 
Vrms 
10 
- 
1.8