AK7841 Datasheet, PDF (12/21 Pages) Asahi Kasei Microsystems – Monaural Audio Class-D Amp with Power Booster for PiezoSpeaker

ASAHI KASEI
AKM CONFIDENTIAL
[AK7840]
10
VBAT=4.5V
1
F_in=10kHz
0.1
F_in=4kHz
F_in=1kHz
10
VBAT=3.6V
1
F_in=10kHz
F_in=4kHz
F_in=1kHz
0.1
0.01
0.01
0
1
2
3
4
5
0
1
2
3
4
5
Output Voltage (Vrms)
Output Voltage (Vrms)
10
VBAT=2.7V
1
F_in=10kHz
F_in=4kHz ^Fin^=1kHz
0.1
0.01
0
1
2
3
4
5
Output Voltage (Vrms)
Figure. 8 Total Harmonic Distortion Plus Noise vs Output Voltage
Rev.08
- 12 -
2008/3