ASAHI KASEI
[AK4644]
min
typ
max
Units
Parameter
DAC Characteristics:
Resolution
-
-
16
Bits
Stereo Line Output Characteristics:
DAC
→
LOUT/ROUT pins, ALC=OFF, IVOL=0dB, DVOL=0dB, LOVL bit =
“0”, RCV bit = “0”, R
L
=10kΩ
Output Voltage (Note 13)
LOVL bit = “0”
1.78
1.98
2.18
Vpp
LOVL bit = “1”
2.25
2.50
2.75
Vpp
78
88
-
dBFS
S/(N+D) (−3dBFS)
S/N (A-weighted)
82
92
-
dB
Interchannel Isolation
PMAINL2/R2/L3/R3 bits = “1”
80
100
-
dB
PMAINL2/R2/L3/R3 bits = “0”
-
100
-
dB
Interchannel Gain Mismatch
-
0.1
0.5
dB
Load Resistance
10
-
-
kΩ
Load Capacitance
-
-
30
pF
Mono Receiver Output Characteristics:
DAC
→
RCP/RCN pins, ALC=OFF, IVOL=0dB, DVOL=0dB, LOVL bit =
“0”, RCV bit = “1”, R
L
=32Ω, BTL
Output Voltage (Note 14)
1.57
1.96
2.35
Vpp
LOVL bit = “0”,
−6dBFS,
R
L
=32Ω (Po=15mW)
-
2.77
-
Vpp
LOVL bit = “0”,
−3dBFS,
R
L
=32Ω (Po=30mW)
1.57
1.96
2.35
Vpp
LOVL bit = “1”,
−8dBFS,
R
L
=32Ω (Po=15mW)
-
2.77
-
Vpp
LOVL bit = “1”,
−5dBFS,
R
L
=32Ω (Po=30mW)
S/(N+D)
40
60
-
dB
LOVL bit = “0”,
−6dBFS,
R
L
=32Ω (Po=15mW)
-
60
-
dB
LOVL bit = “0”,
−3dBFS,
R
L
=32Ω (Po=30mW)
S/N (A-weighted)
85
95
-
dBFS
Load Resistance
32
-
-
Ω
Load Capacitance
-
-
30
pF
Note 13. Output voltage is proportional to AVDD voltage. Vout = 0.6 x AVDD (typ)@LOVL bit = “0”.
Note 14. Output voltage is proportional to AVDD voltage. Vout = (RCP)
−
(RCN) = 0.59 x AVDD (typ)@LOVL bit =
“0”,
−6dBFS.
MS0477-E-01
-8-
2006/10
AKM [ ASAHI KASEI MICROSYSTEMS ]
