LM4849 datasheet(12/19 Pages) NSC

Teilenummer	LM4849

Bauteilbeschribung	Stereo 2W Audio Power Amplifiers with DC Volume Control and Input Mux

PDF	19 Pages

Scroll/Zoom	100%

Hersteller	NSC [National Semiconductor (TI)]

Direct Link	http://www.national.com

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12 / 19 page

Typical Performance Characteristics (Continued)

Crosstalk

Output Power

vs Supply voltage

20076749

20076754

Output Power

vs Supply Voltage

Supply Current

vs Supply Voltage

20076756

20076709

LM4849MH

Power Dissipation vs Output Power

LM4849MH

Power Derating Curve

20076765

20076764

Note 17: These curves show the thermal dissipation ability of the LM4849MH at different ambient temperatures given these conditions:

500LFPM + 2in2: The part is soldered to a 2in2, 1 oz. copper plane with 500 linear feet per minute of forced-air flow across it.

2in2on bottom: The part is soldered to a 2in2, 1oz. copper plane that is on the bottom side of the PC board through 21 8 mil vias.

2in2: The part is soldered to a 2in2, 1oz. copper plane.

1in2: The part is soldered to a 1in2, 1oz. copper plane.

Not Attached: The part is not soldered down and is not forced-air cooled.

LM4849 Datenblatt(PDF) 12 Page - National Semiconductor (TI)