12W+12W, Low-EMI, Spread-Spectrum,

Stereo, Class D Amplifier

4

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TOTAL HARMONIC DISTORTION PLUS

NOISE vs. OUTPUT POWER

OUTPUT POWER (W)

15

10

5

0.1

1

10

0.01

020

RL = 8

Ω

VDD = 24V

VDD = 18V

VDD = 12V

15

TOTAL HARMONIC DISTORTION PLUS

NOISE vs. OUTPUT POWER

OUTPUT POWER (W)

0.01

0.1

1

10

0

RL = 4

Ω

VDD = 24V

VDD = 18V

VDD = 12V

10

5

TOTAL HARMONIC DISTORTION PLUS

NOISE vs. FREQUENCY

FREQUENCY (Hz)

10k

1k

100

0.1

1

10

0.01

10

100k

POUT = 500mW

POUT = 8W

TOTAL HARMONIC DISTORTION PLUS

NOISE vs. FREQUENCY

FREQUENCY (Hz)

10k

1k

100

0.1

1

10

0.01

10

100k

POUT = 8W

SSM

FFM

OUTPUT POWER vs. SUPPLY VOLTAGE

SUPPLY VOLTAGE (V)

0

6

4

2

8

10

12

14

16

18

20

10

16

13

19

22

25

RL = 8

Ω

RL = 16

Ω

TOTAL HARMONIC DISTORTION PLUS

NOISE vs. OUTPUT POWER

OUTPUT POWER (W)

15

10

5

0.1

1

10

0.01

020

f = 100Hz

f = 10kHz

f = 1kHz

EFFICIENCY vs. OUTPUT POWER

OUTPUT POWER (W)

16

12

48

10

20

30

40

50

60

70

80

90

100

0

0

RL = 8

Ω

VDD = 18V

VDD = 12V

VDD = 24V

OUTPUT POWER vs. LOAD RESISTANCE

LOAD RESISTANCE (

Ω)

10

2

4

6

8

10

12

14

16

18

20

0

1

100

THD+N = 10%

THD+N = 1%

COMMON-MODE REJECTION RATIO

vs. FREQUENCY

FREQUENCY (Hz)

10k

1k

100

-70

-60

-50

-40

-30

-20

-10

0

-80

10

100k

Typical Operating Characteristics

(VDD = 18V, RL = 8

Ω, fIN = 1kHz, 33µH with 4Ω, 68µH with 8Ω, part in SSM mode, 136µH with 16Ω, measurement BW = 22Hz to

22kHz, unless otherwise noted.)