AKD4641EN-A Datasheet, PDF (23/54 Pages) Asahi Kasei Microsystems – 16bit stereo CODEC with built-in Microphone-amplifier and 16bit Mono CODEC for Bluetooth Interface.

ASAHI KASEI
[AKD4641EN-A]
3. 16bit stereo CODEC PLOT DATA
3-1. ADC (MIC Æ IPGA Æ ADC) PLOT DATA
AKM
AK4641 ADC(INT) THD+N vs. Input Level
VDD=3.3V, fs=44.1kHz, fin=1kHz
-60
-62
-64
-66
-68
-70
-72
-74
-76
d
-78
B
-80
F
S
-82
-84
-86
-88
-90
-92
-94
-96
-98
-100
-120
-110
-100
-90
-80
-70
-60
-50
-40
-30
-20
-10
+0
dBr
Figure 1. THD+N vs. Input Level
AKM
-60
-62
-64
-66
-68
-70
-72
-74
-76
d
-78
B
-80
F
S
-82
-84
-86
-88
-90
-92
-94
-96
-98
-100
20
AK4641 ADC(INT) THD+N vs. Input Frequency
VDD=3.3V, fs=44.1kHz, Input=-1dB
50
100
200
500
1k
2k
Hz
5k
10k
20k
Figure 2. THD+N vs. Input Frequency
<KM082001>
- 23 -
2006/03