LM4842 National Semiconductor, LM4842 Datasheet - Page 9

• Manufacturer Part Number: LM4842
• Description: Stereo 2W Amplifiers with DC Volume Control Transient Free Outputs/ and Cap-less Headphone Drive
• Manufacturer: National Semiconductor

Typical Performance Characteristics
MH/LQ Specific Characteristics
Note 17: These curves show the thermal dissipation ability of the LM4842MH/LQ at different ambient temperatures given these conditions:
Non-MH/LQ Specific Characteristics
500LFPM + 2in
2in
1in
Not Attached: The part is not soldered down and is not forced-air cooled.
2in
2
2
2
on bottom: The part is soldered to a 2in
: The part is soldered to a 1in
: The part is soldered to a 2in
Power Dissipation vs Output Power
2
: The part is soldered to a 2in
THD+N vs Frequency
LM4842MH/LQ
2
2
, 1oz. copper plane.
, 1oz. copper plane.
2
, 1oz. copper plane that is on the bottom side of the PC board through 21 8 mil vias.
2
, 1 oz. copper plane with 500 linear feet per minute of forced-air flow across it.
20028165
20028157
(Continued)
9
LM4842MH/LQ (Note 17)
Power Derating Curve
THD+N vs Frequency
20028164
20028158
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