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| AK7841 Datasheet, PDF (11/21 Pages) Asahi Kasei Microsystems – Monaural Audio Class-D Amp with Power Booster for PiezoSpeaker | |||
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ASAHI KASEI
AKM CONFIDENTIAL
[AK7840]
Performance characteristics
â» The following various characteristics are typical characteristic data in the typical condition. It is not the one
necessarily to secure the characteristic of the description.
Sinwave Single - ended , Total Gain=15.6dB, Output Load Impedance ZL=1uF,
Measurement Band Width =20ï½20kz, unless otherwise specified.
10
VBAT=4.5V
10
VBAT=3.6
1
0.1
0.01
0.1001
1
Vout=4Vrms
Vout=2Vrms
0.1
Vout=1Vrms
01.010
11k
Frequency (Hz)
1100k 20k
110000k
0.01
0.1001
Vout=4Vrms
Vout=2Vrms
Vout=1Vrms
01.010
1k
Frequency (Hz)
10k 20k
110000k
10
VBAT=2.7V
1
Vout=4Vrms
Vout=2Vrms
Vout=1Vrms
0.1
0.01
01.001
01.010
11k
Frequency (Hz)
1100k 20k
110000k
Figure. 7 Total Harmonic Distortion Plus Noise vs Frequency
Rev.08
- 11 -
2008/3
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