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AK4646EZ Datasheet, PDF (9/78 Pages) Asahi Kasei Microsystems – Stereo CODEC with MIC/SPK-AMP | |||
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[AK4646EZ]
Parameter
min
typ
max
Units
DAC Characteristics:
Resolution
-
-
16
Bits
Stereo Line Output Characteristics: DAC â LOUT, ROUT pins, ALC=OFF, OVOL=0dB,
LOVL1-0 bit = â00â, RL=10kΩ
Output Voltage (Note 17) LOVL1-0 bit = â00â
1.78
1.98
2.18
Vpp
LOVL1-0 bit = â01â
2.25
2.50
2.75
Vpp
S/(N+D) (â3dBFS)
78
88
-
dBFS
S/N
(A-weighted)
82
92
-
dB
Interchannel Isolation
85
100
-
dB
Interchannel Gain Mismatch
-
0.1
0.8
dB
Load Resistance
10
-
-
kΩ
Load Capacitance
-
-
30
pF
Speaker-Amp Characteristics: DAC â SPP/SPN pins, ALC=OFF, OVOL=0dB, RL=8Ω, BTL, SVDD=3.3V
Output Voltage (Note 18)
SPKG1-0 bits = â00â, â0.5dBFS (Po=150mW)
-
3.18
-
Vpp
SPKG1-0 bits = â01â, â0.5dBFS (Po=250mW)
3.20
4.00
4.80
Vpp
SPKG1-0 bits = â10â, â0.5dBFS (Po=400mW)
-
1.79
-
Vrms
S/(N+D)
SPKG1-0 bits = â00â, â0.5dBFS (Po=150mW)
-
60
-
dB
SPKG1-0 bits = â01â, â0.5dBFS (Po=250mW)
20
50
-
dB
SPKG1-0 bits = â10â, â0.5dBFS (Po=400mW)
-
20
-
dB
S/N
(A-weighted)
80
90
-
dB
Load Resistance
8
-
-
Ω
Load Capacitance
-
-
30
pF
Note 17. Output voltage is proportional to AVDD voltage.Vout = 0.6 x AVDD (typ)@LOVL bit = â0â.
Note 18. Output voltage is proportional to AVDD voltage.
In case of Full-differential, Vout = 0.94 x AVDD (typ)@SPKG1-0 bits = â00â, 1.21 x AVDD (typ)@SPKG1-0
bits = â01â, 2.05 x AVDD (typ)@SPKG1-0 bits = â10â, 2.58 x AVDD (typ)@SPKG1-0 bits = â11â
MS0630-E-00
-9-
2007/06
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