LM4868LQ National Semiconductor, LM4868LQ Datasheet - Page 6

• Manufacturer Part Number: LM4868LQ
• Description: IC AMP AUDIO PWR 3W STER 24LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4868LQ

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 3W x 2 @ 3 Ohm; 208mW x 2 @ 16 Ohm
• Voltage - Supply: 2 V ~ 5.5 V
• Features: Depop, Input Multiplexer, Shutdown, Thermal Protection
• Mounting Type: Surface Mount
• Package / Case: 24-LLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: LM4868LQTR

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Typical Performance Characteristics
MTE- and LQ- Specific Characteristics
Note 18: This curve shows the LM4868MTE’s thermal dissipation ability at different ambient temperatures given these conditions:
it. Board information - copper dimensions: 74x74mm, copper coverage: 100% (buried layer) and 12% (top/bottom layers), 16 vias under the exposed-DAP.
500LFPM + JEDEC board: The part is soldered to a 1S2P 20-lead exposed-DAP TSSOP test board with 500 linear feet per minute of forced-air flow across
500LFPM + 2.5in
2.5in
Not Attached: The part is not soldered down and is not forced-air cooled.
2
: The part is soldered to a 2.5in
Power Dissipation vs Power Output
2
: The part is soldered to a 2.5in
LM4868LQ, LM4868MTE
Power Derating Curve
LM4868LQ
2
, 1oz. copper plane.
2
, 1 oz. copper plane with 500 linear feet per minute of forced-air flow across it.
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6
(Continued)
Power Derating Curve
LM4868MTE (Note 18)
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