APA2120(2013) データシートの表示（PDF） - Anpec Electronics

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APA2120
(Rev.:2013)

Stereo 2-W Audio Power Amplifier (with DC_Volume Control)

Anpec Electronics 

APA2120/2121

Typical Operating Characteristics (Cont.)

Output Power vs. Load Resistance

3

2.5

VABDTV=DL=25V

2

1.5

1

THD+N=10%

0.5

THD+N=1%

0

4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64

Load Resistance (Ω)

Output Power vs. Load Resistance

0.7

0.6

VASDEV=D=15V

0.5

0.4

0.3

0.2

THD+N=10%

0.1

THD+N=1%

0

4 8 12 16 20 24 28 32 36 40 44 48 52 56 60 64

Load Resistance (Ω)

Close Loop Response

+12

+10

VRABDTLV==DL=82Ω5V

CO=330µF

+8

+6

+4

AAAVVV===1250

+2

-0

20

100

1k

20k

Frequency (Hz)

Close Loop Response

+6

+4

ASVREDVL==D=3125ΩV

CO=330µF

+2

+0

-2

AAAVVV===215.5

-4

-6

20

100

1k

20k

Frequency (Hz)

Copyright © ANPEC Electronics Corp.

11

Rev. A.4 - Jul., 2013

www.anpec.com.tw

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