參數(shù)資料
型號： AK4643EN
廠商： Asahi Kasei Microsystems Co.,Ltd
元件分類： Codec
英文描述： Stereo CODEC with MIC/HP/RCV/SPK-AMP
中文描述： 立體聲編解碼器麥克風/惠普/垃圾車/胰腎聯(lián)合移植腺苷
文件頁數(shù)： 9/104頁
文件大?。?/td> 926K
代理商： AK4643EN
ASAHI KASEI
[AK4643]
MS0476-E-01
2006/10
- 9 -
Parameter
Headphone-Amp Characteristics:
DAC
→
HPL/HPR pins, ALC=OFF, IVOL=0dB, DVOL=0dB, VBAT bit = “0”;
unless otherwise specified.
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)
HPG bit = “1”, 0dBFS, HVDD=5V, R
L
=16
(Po=70mW)
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)
HPG bit = “1”, 0dBFS, HVDD=5V, R
L
=16
(Po=70mW)
(Note 19)
S/N (A-weighted)
(Note 20)
Interchannel Isolation
(Note 19), PMAINL2/R2/L3/R3 bits = “1”
(Note 19), PMAINL2/R2/L3/R3 bits = “0”
(Note 20)
(Note 19)
Interchannel Gain Mismatch
(Note 20)
Load Resistance
C1 in Figure 2
Load Capacitance
C2 in Figure 2
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
1.58
2.40
-
-
60
-
-
-
80
-
65
-
-
-
-
16
-
-
1.98
3.00
1.0
1.06
70
80
20
70
90
90
75
75
80
0.1
0.1
-
-
-
2.38
3.60
-
-
-
-
-
-
-
-
-
-
-
0.8
0.8
-
30
300
Vpp
Vpp
Vrms
Vrms
dBFS
dBFS
dBFS
dBFS
dB
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PDF資料
PDF描述
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
AK4646EN Stereo CODEC with MIC/SPK-AMP
相關代理商/技術參數(shù)
參數(shù)描述
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
AK4645 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP
AK4645EN 制造商:AKM 制造商全稱:AKM 功能描述:Stereo CODEC with MIC/HP-AMP
AK4645ENP-L 制造商:Asahi Kasei Microsystems Co Ltd 功能描述:
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