20W/40W, Filterless, Spread-Spectrum,

Mono/Stereo, Class D Amplifier

8

_______________________________________________________________________________________

COMMON-MODE REJECTION RATIO

vs. FREQUENCY

FREQUENCY (Hz)

10k

1k

100

-105

-100

-95

-90

-85

-80

-75

-70

-65

-60

-110

10

100k

INPUT REFERRED

POWER-SUPPLY REJECTION RATIO

vs. FREQUENCY

FREQUENCY (Hz)

10k

1k

100

-100

-90

-80

-70

-60

-50

-40

-30

-110

10

100k

CROSSTALK vs. FREQUENCY

FREQUENCY (Hz)

10k

1k

100

-110

-100

-90

-80

-70

-60

-50

-40

-120

10

100k

MAXIMUM STEADY-STATE OUTPUT POWER

vs. TEMPERATURE

AMBIENT TEMPERATURE (

°C)

60

40

50

5

15

10

25

20

30

35

40

0

30

70

Ω

STEREO MODE, 1kHz,

FS1 = FS2 = 1

TH0 = TH1 = 1

TH2 = 0

MEASURED WITH THE EV KIT (TQFN

PACKAGE), JUNCTION TEMPERATURE

MAINTAINED AT +110

°C

MAXIMUM STEADY-STATE OUTPUT POWER

vs. TEMPERATURE

AMBIENT TEMPERATURE (

°C)

60

40

50

10

20

40

30

50

60

70

0

30

70

Ω

MONO MODE, 1kHz,

FS1 = FS2 = 1

TH0 = TH1 = 1

TH2 = 0

MEASURED WITH THE EV KIT (TQFN

PACKAGE), JUNCTION TEMPERATURE

MAINTAINED AT +110

°C

Typical Operating Characteristics (continued)

∞, SHDN = high, MONO

Pin Description

PIN

TQFP

TQFN

NAME

FUNCTION

1, 8, 13, 16,

17, 32, 33, 41,

48, 49, 50, 55,

58, 63, 64

1, 12, 42, 43,

44, 55, 56

N.C.

No Connection. Not internally connected.

2, 3, 4, 45, 46,

47, 56, 57

2, 3, 4, 39,

40, 41, 49, 50

PGND

Power Ground

5, 6, 7,

42, 43, 44

5, 6, 7,

36, 37, 38

Positive Power Supply. Bypass to PGND with a 0.1µF and a 47µF capacitor with the

smallest capacitor placed as close to pins as possible.