AK4958ECB Datasheet, PDF (15/35 Pages) Asahi Kasei Microsystems – 24bit Stereo CODEC with MIC/SPK/VIDEO-AMP & LDO

[AK4958]
Parameter
min
typ
max
DAC Characteristics:
Resolution
-
-
24
Stereo Line Output Characteristics: DAC  LOUT, ROUT pins, ALC=OFF, DVOL=OVOL =0dB,
R_L=10k , PMBP bit = “0”, LVCM1-0 bits = “01”
Output Voltage
(0dBFS)
LVCM0 bit = “0”
LVCM0 bit = “1”
-
-
2.26
1.00
-
-
(Note 15)
(3dBFS)
LVCM0 bit = “0”
LVCM0 bit = “1”
1.44
1.82
1.60
2.00
1.76
2.22
S/(N+D) (3dBFS)
75
85
-
S/N (A-weighted)
82
92
-
Interchannel Isolation
85
100
-
Interchannel Gain Mismatch
-
0
0.8
Load Resistance
10
-
-
Load Capacitance
-
-
30
PSRR (Sine Wave = 500mVpp, fin =1kHz)
-
80
-
Speaker-Amp Characteristics: DAC  SPP/SPN pins, ALC=OFF, DVOL=OVOL =0dB, R_L=8, BTL
Output Voltage (AK4958EG)
SPKG1-0 bits = “00”, 0.5dBFS (Po=150mW)
-
3.18
-
SPKG1-0 bits = “01”, 0.5dBFS (Po=250mW)
SPKG1-0 bits = “10”,0.5dBFS (Po=400mW)
S/(N+D) (AK4958EG)
3.20
4.00
4.80
-
1.79
-
SPKG1-0 bits = “00”, 0.5dBFS (Po=150mW)
SPKG1-0 bits = “01”, 0.5dBFS (Po=250mW)
-
65
-
20
60
-
SPKG1-0 bits = “10”, 0.5dBFS (Po=400mW)
S/N (AK4958EG)
SPKG1-0 bits = “01”, 0. 5dBFS (Po=250mW)
(A-weighted)
Output Voltage (AK4958ECB)
-
20
-
80
90
-
SPKG1-0 bits = “00”, 0.7dBFS (Po=150mW)
SPKG1-0 bits = “01”, 0.7dBFS (Po=250mW)
-
3.18
-
3.20
4.00
4.80
SPKG1-0 bits = “10”, 0.85dBFS (Po=400mW)
S/(N+D) (AK4958ECB)
SPKG1-0 bits = “00”, 0.7dBFS (Po=150mW)
-
1.79
-
-
65
-
SPKG1-0 bits = “01”, 0.7dBFS (Po=250mW)
20
60
-
SPKG1-0 bits = “10”, 0.85dBFS (Po=400mW)
-
20
-
S/N (AK4958ECB)
SPKG1-0 bits = “01”, 0.7dBFS (Po=250mW)
80
90
-
(A-weighted)
Load Resistance
6.8
-
-
Load Capacitance
-
PSRR (Sine Wave = 500mVpp, fin = 1kHz)
-
Note 15. Output Voltageは AVDD にトラッキングしません。
-
100
60
-
Unit
Bits
Vpp
Vrms
Vpp
Vpp
dBFS
dB
dB
dB
k
pF
dB
Vpp
Vpp
Vrms
dB
dB
dB
dB
Vpp
Vpp
Vrms
dB
dB
dB
dB

pF
dB
MS1558-J-01-PB
- 15 -
2013/10