AKD4955-A Datasheet, PDF (61/89 Pages) Asahi Kasei Microsystems – AK4955 Evaluation Board Rev.3

[AKD4955-A]
2-b). DAC [SPP/SPN pins, SPKG(1-0) bits = “01”]
AKM
-70
-72
-74
-76
-78
-80
-82
d
B
-84
r
-86
A
-88
-90
-92
-94
-96
-98
-100
-120
AK4955 THD+N vs. Input Level [ DAC, SPKOUT ]
AVDD=LVDD=SVDD=3.3V, DVDD=TVDD=1.8V, fs=48kHz, External Slave Mode, SPKGbit="01", RL=8ohm
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
dBFS
Figure 83.S/(N+D) vs. Input Level
AKM
-60
-62
-64
-66
-68
-70
-72
-74
-76
d
-78
B
r
-80
A
-82
-84
-86
-88
-90
-92
-94
-96
-98
-100
20
AK4955 THD+N vs. Input Frequency [ DAC, SPKOUT ]
AVDD=LVDD=SVDD=3.3V, DVDD=TVDD=1.8V, fs=48kHz, External Slave Mode, SPKGbit="01", RL=8ohm
50
100
200
500
1k
2k
Hz
Figure 84.S/(N+D) vs. Input Frequency
5k
10k
20k
<KM104703>
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2011/08