[AK4646]
min
typ
max
Units
Parameter
DAC Characteristics:
Resolution
-
-
16
Bits
Stereo Line Output Characteristics:
DAC
→
LOUT, ROUT pins, ALC=OFF, OVOL=0dB,
LOVL1-0 bit =
“00”,
R
L
=10kΩ
Output Voltage (Note 15)
1.78
1.98
2.18
Vpp
LOVL1-0 bit =
“00”
2.25
2.50
2.75
Vpp
LOVL1-0 bit =
“01”
S/(N+D) (−3dBFS)
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
→
SPP/SPN pins, ALC=OFF, OVOL=0dB, R
L
=8Ω, BTL, SVDD=3.3V
Output Voltage (Note 16)
-
3.18
-
Vpp
SPKG1-0 bits =
“00”,
−0.5dBFS
(Po=150mW)
3.20
4.00
4.80
Vpp
SPKG1-0 bits =
“01”,
−0.5dBFS
(Po=250mW)
-
1.79
-
Vrms
SPKG1-0 bits =
“10”,
−0.5dBFS
(Po=400mW)
S/(N+D)
-
60
-
dB
SPKG1-0 bits =
“00”,
−0.5dBFS
(Po=150mW)
20
50
-
dB
SPKG1-0 bits =
“01”,
−0.5dBFS
(Po=250mW)
-
20
-
dB
SPKG1-0 bits =
“10”,
−0.5dBFS
(Po=400mW)
S/N
(A-weighted)
80
90
-
dB
Load Resistance
8
-
-
Ω
Load Capacitance
-
-
30
pF
Note 15. Output voltage is proportional to AVDD voltage.Vout = 0.6 x AVDD (typ)@LOVL bit =
“0”.
Note 16. Output voltage is proportional to AVDD voltage.
In case of Full-differential, Vout = 0.94 x AVDD (typ)@SPKG1-0 bits =
“00”,
1.21 x AVDD (typ)@SPKG1-0
bits =
“01”,
2.05 x AVDD (typ)@SPKG1-0 bits =
“10”,
2.58 x AVDD (typ)@SPKG1-0 bits =
“11”
MS0557-E-02
-9-
2007/05
AKM [ ASAHI KASEI MICROSYSTEMS ]
