AK4642VN Datasheet, PDF (11/82 Pages) Asahi Kasei Microsystems – 16-Bit ΔΣ Stereo CODEC with MIC/HP/SPK-AMP

ASAHI KASEI
[AK4642]
Parameter
min
typ
max
Units
DAC Characteristics:
Resolution
-
-
16
Bits
Stereo Line Output Characteristics: DAC → LOUT, ROUT pins, ALC=OFF, IVOL=0dB, DVOL=0dB, LOVL bit =
“0”, R_L=10kΩ
Output Voltage (Note 17)
LOVL bit = “0”
1.78
1.98
2.18
Vpp
LOVL bit = “1”
2.25
2.50
2.75
Vpp
S/(N+D) (−3dBFS)
78
88
-
dBFS
S/N
(A-weighted)
82
92
-
dB
Interchannel Isolation
80
100
-
dB
Interchannel Gain Mismatch
-
0.1
0.5
dB
Load Resistance
10
-
-
kΩ
Load Capacitance
-
-
30
pF
Headphone-Amp Characteristics: DAC → HPL/HPR pins, ALC=OFF, IVOL=0dB, DVOL=0dB
Output Voltage (Note 18)
(Note 19)
1.58
1.98
2.38
Vpp
(Note 20)
2.40
3.00
3.60
Vpp
S/(N+D) (−3dBFS)
(Note 19)
60
70
(Note 20)
-
80
-
dBFS
-
dBFS
S/N
(A-weighted)
(Note 19)
80
(Note 20)
-
90
90
-
dB
-
dB
Interchannel Isolation
(Note 19)
65
75
(Note 20)
-
80
-
dB
-
dB
Interchannel Gain Mismatch
(Note 19)
-
(Note 20)
-
0.1
0.8
dB
0.1
0.8
dB
Load Resistance
(Note 19)
22
-
(Note 20)
100
-
-
Ω
-
Ω
Load Capacitance
Figure 2Í·C1
-
Figure 2Í·C2
-
-
30
pF
-
300
pF
Note 17. ग़ྗిѹ͸AVDDʹൺྫ͠·͢ɻVout = 0.6 x AVDD (typ)@LOVL bit = “0”.
Note 18. ग़ྗిѹ͸AVDDʹൺྫ͠·͢ɻ
Vout = 0.6 x AVDD(typ)@HPG bit = “0”, 0.91 x AVDD(typ)@HPG bit = “1”.
Note 19. HPG bit = “0”, HVDD=3.3V, RL=22.8Ω.
Note 20. HPG bit = “1”, HVDD=5V, RL=100Ω.
HP-Amp
HPL/HPR pin
47µF
6.8Ω
C1
C2 ^16Ω
Figure 2. ϔουϑΥϯΞϯϓग़ྗճ࿏
MS0358-J-02
- 11 -
2005/04