.01

.02

.

05

.1

.2

.5

0

30

0

0

0

0

0

1

2

5

10

20

%

mm

m

m

m

m

10

4

20

50

100

200

500

1

2

W

.01

30

.02

.05

.1

.2

.5

0

0

0

0

0

0

1

2

5

10

%

mm

m

m

m

m

10

4

20

50

100

200

500

1

2

W

0

10

20

30

40

50

60

70

80

90

100

0

0.511.5

2

Output Pow er (W)

1. Efficiency VS Output Power

V=5V

DD

V =3.6V

DD

2. Efficiency VS Output Power

R=8

L

Ω

R=4

L

Ω

5

10/2008 Rev 1.0

,

Power Analog Microelectronics Inc

www.poweranalog.com

3.THD+N VS Output Power

4.THD+N VS Output Power

R=8

Gain=20dB

f=1kHz

L

Ω

A

R=4

Gain=20dB

f=1kHz

L

Ω

5. THD+N VS Freq

0

10

20

30

40

50

60

70

80

90

100

0

0.5

1

1.5

2

2.5

3

Output Pow er (W)

V=5V

DD

V =3.6V

DD

0.1

10

0.2

0.5

1

2

5

%

20

20k

50

100

200

500

1k

2k

5k

10k

Hz

Po=0.5W

R=8

Cin=0.47 F

Gain=20dB

L

μ

Ω

0.08

10

0.1

0.2

0.5

1

2

5

%

20

20k

50

100

200

500

1k

2k

5k

10k

Hz

Po=1W

R=4

Cin=0.47 F

Gain=20dB

L

μ

Ω

6. THD+N VS Frequency

uency

V=5V

DD

V =3.6V

DD

V=5V

DD

V =3.6V

DD

PAM8603M

3W Filterless Stereo Class-D Audio Amplifier with DC Volume Control