LY8212

Rev. 1.5

3.3W Stereo & FM Enhancement Class D Audio Power Amplifier

5F, No. 2, lndustry E . Rd. IX, Science-Based Industrial Park, Hsinchu 300, Taiwan

TEL: 886-3-6668838

FAX: 886-3-6668836

9

®

Supply Current vs. Output Power (RL=8Ω)

SUPPLY CURRENT vs OUTPUT POWER

FM Enhance=Disable

0

50

100

150

200

250

300

350

400

450

500

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

Po - Output Power - W (RL=8Ω)

2.5V

3.7V

5.0V

SUPPLY CURRENT vs OUTPUT POWER

FM Enhance=Enable

0

50

100

150

200

250

300

350

400

450

500

0

0.2

0.4

0.6

0.8

1

1.2

1.4

1.6

1.8

2

Po - Output Power - W (RL=8Ω)

2.5V

3.7V

5.0V

Load Resistance vs. Output Power (THD+N=1%)

Output Power vs Load Resistance

FM Enhance=Disable

0

0.5

1

1.5

2

2.5

3

4Ω

8Ω

12Ω

16Ω

20Ω

24Ω

28Ω

32Ω

RL - Load Resistance - Ω

Freq = 1kHz, Gain = 2V/V, THD+N = 1%

3.7V

5V

5.5V

OUTPUT POWER vs LOAD RESISTANCE

FM Enhance=Enable

0

0.5

1

1.5

2

2.5

4Ω

8Ω

12Ω

16Ω

20Ω

24Ω

28Ω

32Ω

RL - Load Resistance - Ω

Freq = 1kHz, Gain = 2V/V, THD+N = 1%

2.5v

3.7V

5V

5.5V

Load Resistance vs. Output Power (THD+N=10%)

Output Power vs Load Resistor

FM Enhance=Disable

0

0.5

1

1.5

2

2.5

3

3.5

4Ω

8Ω

12Ω

16Ω

20Ω

24Ω

28Ω

32Ω

RL - Load Resistance - Ω

Freq = 1kHz, Gain = 2V/V, THD+N = 10%

2.5v

3.7V

5V

5.5V

OUTPUT POWER vs LOAD RESISTANCE

FM Enhance=Disable

0

0.3

0.6

0.9

1.2

1.5

1.8

2.1

2.4

2.7

3

3.3

4Ω

8Ω

12Ω

16Ω

20Ω

24Ω

28Ω

32Ω

RL - Load Resistance - Ω

Freq = 1kHz, Gain = 2V/V, THD+N = 10%

2.5v

3.7V

5V

5.5V