參數(shù)資料
型號(hào)： AK4642EN
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： Stereo CODEC with MIC/HP/SPK-AMP
中文描述： 立體聲編解碼器麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁數(shù)： 11/83頁
文件大?。?/td> 670K
代理商： AK4642EN
ASAHI KASEI
[AK4642EN]
MS0420-E-00
2005/09
- 11 -
Parameter
DAC Characteristics:
Resolution
Stereo Line Output Characteristics:
DAC
→
LOUT, ROUT pins, ALC=OFF, IVOL=0dB, DVOL=0dB, LOVL bit =
“0”, R
L
=10k
Output Voltage (Note 17)
LOVL bit = “0”
LOVL bit = “1”
S/(N+D)
(
3dBFS)
S/N
(A-weighted)
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 18)
HPG bit = “0”, 0dBFS, HVDD=3.3V, R
L
=22.8
HPG bit = “1”, 0dBFS, HVDD=5V, R
L
=100
HPG bit = “1”, 0dBFS, HVDD=3.3V, R
L
=16
(Po=62mW)
S/(N+D)
HPG bit = “0”,
3dBFS, HVDD=3.3V, R
L
=22.8
HPG bit = “1”,
3dBFS, HVDD=5V, R
L
=100
HPG bit = “1”, 0dBFS, HVDD=3.3V, R
L
=16
(Po=62mW)
(Note 19)
S/N
(A-weighted)
(Note 20)
(Note 19)
Interchannel Isolation
(Note 20)
(Note 19)
Interchannel Gain Mismatch
(Note 20)
Load Resistance
C1 in Figure 2
Load Capacitance
C2 in Figure 2
Note 17. Output voltage is proportional to AVDD voltage. Vout = 0.6 x AVDD (typ)@LOVL bit = “0”.
Note 18. Output voltage is proportional to AVDD voltage.
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, R
L
=22.8
.
Note 20. HPG bit = “1”, HVDD=5V, R
L
=100
.
min
typ
max
Units
-
-
16
Bits
1.78
2.25
78
82
80
-
10
-
1.98
2.50
88
92
100
0.1
-
-
2.18
2.75
-
-
-
0.5
-
30
Vpp
Vpp
dBFS
dB
dB
dB
k
pF
1.58
2.40
-
60
-
-
80
-
65
-
-
-
16
-
-
1.98
3.00
1.00
70
80
20
90
90
75
80
0.1
0.1
-
-
-
2.38
3.60
-
-
-
-
-
-
-
-
0.8
0.8
-
30
300
Vpp
Vpp
Vrms
dBFS
dBFS
dBFS
dB
dB
dB
dB
dB
dB
pF
pF
HPL/HPR pin
HP-Amp
47
μ
F
C1
16
C2
6.8
0.22
μ
F
10
Measurement Point
Figure 2. Headphone-Amp output circuit
相關(guān)PDF資料
PDF描述
AK4643EN Stereo CODEC with MIC/HP/RCV/SPK-AMP
AK4645EZ Stereo CODEC with MIC/HP-AMP
AK4645 Stereo CODEC with MIC/HP-AMP
AK4646EZ Stereo CODEC with MIC/SPK-AMP
AK4646 Stereo CODEC with MIC/SPK-AMP
相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
AK4642VN 制造商:AKM 制造商全稱:AKM 功能描述:16-Bit ???￡ Stereo CODEC with MIC/HP/SPK-AMP
AK4643 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with built-in MIC/HP/RCV/SPK amplifier
AK4643EN 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP/RCV/SPK-AMP
AK4644 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with built-in MIC/HP/RCV amplifier
AK4644EN 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP/RCV-AMP
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