AK4647VN AKM [Asahi Kasei Microsystems], AK4647VN Datasheet - Page 8
AK4647VN
Manufacturer Part Number
AK4647VN
Description
Stereo CODEC with MIC/HP-AMP
Manufacturer
AKM [Asahi Kasei Microsystems]
Datasheet
1.AK4647VN.pdf
(72 pages)
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ASAHI KASEI
Parameter
DAC Characteristics:
Resolution
Stereo Line Output Characteristics: DAC → LOUT, ROUT pins, ALC=OFF, IVOL=0dB, DVOL=0dB, LOVL bit =
Output Voltage (Note 13)
S/(N+D)
S/N
Interchannel Isolation
Interchannel Gain Mismatch
Load Resistance
Load Capacitance
Headphone-Amp Characteristics: DAC → HPL/HPR pins, ALC=OFF, IVOL=0dB, DVOL=0dB
Output Voltage (Note 14)
S/(N+D)
S/N
Interchannel Isolation
Interchannel Gain Mismatch
Load Resistance
Load Capacitance
Note 13. Output voltage is proportional to AVDD voltage. Vout = 0.6 x AVDD (typ)@LOVL bit = “0”.
Note 14. Output voltage is proportional to AVDD voltage.
Note 15. HPG bit = “0”, HVDD=3.3V, RL=22.8Ω.
Note 16. HPG bit = “1”, HVDD=5V, RL=100Ω.
MS0566-E-00
Vout = 0.6 x AVDD(typ)@HPG bit = “0”, 0.91 x AVDD(typ)@HPG bit = “1”.
(−3dBFS)
(A-weighted)
(−3dBFS)
(A-weighted)
C1 in Figure 2
C2 in Figure 2
HP-Amp
LOVL bit = “0”
LOVL bit = “1”
“0”, R
Figure 2. Headphone-Amp output circuit
(Note 15)
(Note 16)
(Note 15)
(Note 16)
(Note 15)
(Note 16)
(Note 15)
(Note 16)
(Note 15)
(Note 16)
(Note 15)
(Note 16)
L
=10kΩ
HPL/HPR pin
- 8 -
C1
1.78
2.25
1.58
2.40
min
100
47μF
78
82
80
10
60
80
65
20
-
-
-
-
-
-
-
-
-
-
6.8Ω
C2
1.98
2.50
1.98
3.00
100
typ
0.1
0.1
0.1
88
92
70
80
90
90
75
80
-
-
-
-
-
-
-
16Ω
2.18
2.75
max
2.38
3.60
300
0.5
0.8
0.8
30
16
30
-
-
-
-
-
-
-
-
-
-
-
-
[AK4647]
2006/11
dBFS
dBFS
dBFS
Units
Vpp
Vpp
Bits
Vpp
Vpp
dB
kΩ
dB
dB
pF
dB
dB
dB
dB
dB
dB
pF
pF
Ω
Ω
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