[AK4958]
Parameter
DAC Characteristics:
Resolution
min
-
typ
-
max
24
Unit
Bits
Stereo Line Output Characteristics: DAC LOUT, ROUT pins, ALC=OFF, DVOL=OVOL =0dB,
RL=10k , PMBP bit = “0”, LVCM1-0 bits = “01”
LVCM0 bit = “0”
LVCM0 bit = “1”
LVCM0 bit = “0”
LVCM0 bit = “1”
-
-
2.26
1.00
1.60
2.00
85
92
100
0
-
-
Vpp
Vrms
Vpp
Vpp
dBFS
dB
dB
dB
k
pF
(0dBFS)
Output Voltage
(Note 15)
1.44
1.82
75
82
85
-
10
-
-
1.76
2.22
-
-
-
0.8
-
30
-
(3dBFS)
S/(N+D) (3dBFS)
S/N
(A-weighted)
Interchannel Isolation
Interchannel Gain Mismatch
Load Resistance
-
-
80
Load Capacitance
PSRR (Sine Wave = 500mVpp, fin =1kHz)
dB
Speaker-Amp Characteristics: DAC SPP/SPN pins, ALC=OFF, DVOL=OVOL =0dB, RL=8, BTL
Output Voltage (AK4958EG)
-
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) (AK4958EG)
-
20
-
65
60
20
-
-
-
dB
dB
dB
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 (AK4958EG)
80
90
-
dB
SPKG1-0 bits = “01”, 0. 5dBFS (Po=250mW)
(A-weighted)
Output Voltage (AK4958ECB)
-
3.20
-
3.18
4.00
1.79
-
4.80
-
Vpp
Vpp
Vrms
SPKG1-0 bits = “00”, 0.7dBFS (Po=150mW)
SPKG1-0 bits = “01”, 0.7dBFS (Po=250mW)
SPKG1-0 bits = “10”, 0.85dBFS (Po=400mW)
S/(N+D) (AK4958ECB)
-
20
-
65
60
20
-
-
-
dB
dB
dB
SPKG1-0 bits = “00”, 0.7dBFS (Po=150mW)
SPKG1-0 bits = “01”, 0.7dBFS (Po=250mW)
SPKG1-0 bits = “10”, 0.85dBFS (Po=400mW)
S/N (AK4958ECB)
80
90
-
dB
SPKG1-0 bits = “01”, 0.7dBFS (Po=250mW)
(A-weighted)
Load Resistance
Load Capacitance
PSRR (Sine Wave = 500mVpp, fin = 1kHz)
6.8
-
-
-
-
60
-
100
-
pF
dB
Note 15. Output Voltageは AVDD にトラッキングしません。
MS1558-J-01-PB
2013/10
- 15 -
AKM [ ASAHI KASEI MICROSYSTEMS ]
