參數(shù)資料
型號(hào): AK4537VN
廠商: Asahi Kasei Microsystems Co.,Ltd
元件分類(lèi): Codec
英文描述: 16-Bit ツヒ Stereo CODEC with MIC/HP/SPK-AMP
中文描述: 16位ツヒ立體聲編解碼器與麥克風(fēng)/惠普/胰腎聯(lián)合移植腺苷
文件頁(yè)數(shù): 9/76頁(yè)
文件大?。?/td> 576K
代理商: AK4537VN
ASAHI KASEI
[AK4537]
MS0202-E-04
2005/04
- 9 -
Parameter
Mono Line Output Characteristics:
R
L
=20k
, DAC
MOUT+/MOUT-
Output Voltage
(Note 10)
MOGN=1, -17dB
MOGN=0, +6dB
S/(N+D)
(-3dBFS)
MOGN=1, -17dB
MOGN=0, +6dB
S/N
(A-weighted)
MOGN=1, -17dB
MOGN=0, +6dB
Load Resistance
MOGN=1, -17dB
MOGN=0, +6dB
Load Capacitance
Headphone-Amp Characteristics:
R
L
=22.8
, DAC
HPL/HPR, DATT=0dB
Output Voltage
(Note 11)
S/(N+D)
(
3dBFS)
S/N
(A-weighted)
Interchannel Isolation
Interchannel Gain Mismatch
Load Resistance
Load Capacitance
(C1 in Figure 2)
(C2 in Figure 2)
Speaker-Amp Characteristics:
R
L
=8
, BTL, DAC
MOUT2
MIN
SPP/SPN, ALC2=OFF
Output Voltage
SPKG= “0” (Po=150mW)
(Note 12)
SPKG= “1” (Po=300mW)
SPKG= “0” (Po=150mW)
SPKG= “1” (Po=300mW)
S/(N+D)
(Po=250mW)
S/N
(A-weighted)
Load Resistance
Load Capacitance
Note 10. Output voltage is proportional to AVDD voltage. Vout = 1.2 x AVDD at Full-differential output.
Vout = 0.6 x AVDD at Single-end Output.
Note 11. Output voltage is proportional to AVDD voltage. Vout = 0.582 x AVDD.
Note 12. Output voltage is proportional to AVDD voltage.
Vout = 0.936 x AVDD(typ)@SPKG= “0”, 1.327 x AVDD(typ)@SPKG= “1” at Full-differential output.
min
typ
max
Units
-
0.31
3.96
76
89
79
95
-
-
-
-
Vpp
Vpp
dBFS
dBFS
dB
dB
k
k
pF
3.56
-
79
-
85
2
20
-
4.36
-
-
-
-
-
-
30
1.54
60
80
70
-
20
-
-
1.92
70
90
85
0.1
-
-
-
2.30
-
-
-
0.5
-
30
300
Vpp
dBFS
dB
dB
dB
pF
pF
2.47
-
50
-
-
82
8
-
3.09
4.38
64
20
60
90
-
-
3.71
-
-
-
-
-
-
30
Vpp
Vpp
dB
dB
dB
dB
pF
HPL/HPR pin
HP-Amp
47
μ
F
C1
16
C2
6.8
Figure 2. Headphone-amp output circuit
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