APA2037(2009) データシートの表示（PDF） - Anpec Electronics

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APA2037
(Rev.:2009)

3W Stereo Fully Differential Audio Power Amplifier

Anpec Electronics 

APA2037

Typical Operating Characteristics (Cont.)

THD+N vs. Frequency

10

VDD=3.6V

RL=4Ω

Ci=0.22µF

AV=12dB

1 BW<80kHz

PO=0.1W

0.1

PO=0.5W

PO=0.7W

THD+N vs. Frequency

10

VDD=3.6V

RL=8Ω

Ci=0.22µF

AV=12dB

1 BW<80kHz

PO=0.1W

PO=0.25W

0.1

PO=0.45W

0.01

20

100

1k

Frequency (Hz)

10k 20k

THD+N vs. Frequency

10

VDD=2.4V

RL=4Ω

Ci=0.22µF

AV=12dB

1 BW<80kHz

0.01

20

100

1k

Frequency (Hz)

10k 20k

THD+N vs. Frequency

10

VDD=2.4V

RL=8Ω

Ci=0.22µF

AV=12dB

1 BW<80kHz

0.1

PO=0.1W

PO=0.3W

0.1

PO=0.1W

PO=0.2W

0.01

20

100

1k

Frequency (Hz)

10k 20k

Output Power vs. Supply Voltage

3.5

fin=1kHz

3.0

AV=12dB

Mono

RL=3Ω,THD+N=10%

RL=4Ω,THD+N=10%

2.5

RL=3Ω,THD+N=1%

2.0

RL=4Ω,THD+N=1%

1.5

1.0

0.5

0.0

2.4

RL=8Ω,THD+N=10%

RL=8Ω,THD+N=1%

3.0

3.5 4.0

4.5

5.0

Supply Voltage (V)

0.01

20

100

1k

Frequency (Hz)

10k 20k

Output Power vs. Load Resistance

3.5

VDD=5V,THD+N=10%

3.0

VDD=5V,THD+N=1%

fin=1kHz

AV=12dB

Mono

2.5

VDD=3.6V,THD+N=10%

2.0

VDD=3.6V,THD+N=1%

VDD=2.4V,THD+N=10%

1.5

VDD=2.4V,THD+N=1%

1.0

0.5

0.03

8

13

18

23

28 32

Load Resistance (Ω)

Copyright © ANPEC Electronics Corp.

6

Rev. A.3 - Aug., 2009

www.anpec.com.tw

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