MP1720 – 2.7W LOW EMI HIGH EFFICIENCY MONO CLASS-D AUDIO AMPLIFIER

MP1720 Rev. 1.01

www.MonolithicPower.com

12

8/9/2012

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TYPICAL APPLICATION CIRCUIT

Differential

Input

MP1720

VIN

INP

INN

DGND

SHDN

PVIN

PGND

OUTN

OUTP

CLK

OUT+

OUT-

Enable

Ext-clock

1.0MHz

1.3MHz

0.5~1.4MHz

100pF

0.1

10

IN+

IN-

Figure 2—MP1720 Application Schematic with Differential Input

(Input DC-biased voltage is within the recommended common-mode voltage range)

MP1720

VIN

INP

INN

DGND

SHDN

PVIN

PGND

OUTN

OUTP

CLK

OUT+

OUT-

IN+

IN-

Ext-clock

1.0MHz

1.3MHz

0.5~1.4MHz

Enable

100pF

50

1

1

0.1

10

Differential

Input

Figure 3—MP1720 Application Schematic with Differential Input

(Input DC-biased voltage is out of the recommended common-mode voltage range)

MP1720

VIN

INP

INN

DGND

SHDN

PVIN

PGND

OUTN

OUTP

CLK

OUT+

OUT-

SE Input

Enable

Ext-clock

1.0MHz

1.3MHz

0.5~1.4MHz

1

0.1

10

100pF

50

Figure 4—MP1720 Application Schematic with Single Ended Input