[AK4646]
min
-
typ
-
max
16
Units
Bits
Parameter
DAC Characteristics:
Resolution
Stereo Line Output Characteristics: DAC → LOUT, ROUT pins, ALC=OFF, OVOL=0dB,
LOVL1-0 bit = “00”, RL=10kΩ
Output Voltage (Note 17)
LOVL1-0 bit = “00”
LOVL1-0 bit = “01”
1.78
2.25
78
82
85
-
1.98
2.50
88
2.18
2.75
-
-
-
0.8
-
30
Vpp
Vpp
dBFS
dB
dB
dB
S/(N+D)
S/N
(−3dBFS)
(A-weighted)
92
Interchannel Isolation
Interchannel Gain Mismatch
Load Resistance
100
0.1
-
10
-
kΩ
pF
Load Capacitance
-
Speaker-Amp Characteristics: DAC → SPP/SPN pins, ALC=OFF, OVOL=0dB, RL=8Ω, BTL, SVDD=3.3V
Output Voltage (Note 18)
-
3.20
-
3.18
4.00
1.79
-
4.80
-
Vpp
Vpp
Vrms
SPKG1-0 bits = “00”, −0.5dBFS (Po=150mW)
SPKG1-0 bits = “01”, −0.5dBFS (Po=250mW)
SPKG1-0 bits = “10”, −0.5dBFS (Po=400mW)
S/(N+D)
-
20
-
80
8
60
50
20
90
-
-
-
-
-
-
dB
dB
dB
dB
Ω
SPKG1-0 bits = “00”, −0.5dBFS (Po=150mW)
SPKG1-0 bits = “01”, −0.5dBFS (Po=250mW)
SPKG1-0 bits = “10”, −0.5dBFS (Po=400mW)
S/N
(A-weighted)
Load Resistance
Load Capacitance
-
-
30
pF
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.
When the DAC input is -0.5dBFS in Full-differential mode, Vout = 0.96 x AVDD (typ)@SPKG1-0 bits = “00”,
1.21 x AVDD (typ)@SPKG1-0 bits = “01”, 1.52 x AVDD (typ)@SPKG1-0 bits = “10”, 1.92 x AVDD
(typ)@SPKG1-0 bits = “11”
MS0557-E-05
2011/01
- 9 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
