LM4840LQ/NOPB National Semiconductor, LM4840LQ/NOPB Datasheet - Page 5

• Manufacturer Part Number: LM4840LQ/NOPB
• Description: IC AMP AUDIO PWR 2.2W STER 28LLP
• Manufacturer: National Semiconductor
• Series: Boomer®r
• Type: Class ABr

Specifications of LM4840LQ/NOPB

• Output Type: 2-Channel (Stereo) with Stereo Headphones
• Max Output Power X Channels @ Load: 2.2W x 2 @ 3 Ohm; 95mW x 2 @ 32 Ohm
• Voltage - Supply: 2.7 V ~ 5.5 V
• Features: Depop, Input Multiplexer, Mute, Shutdown, Thermal Protection, Volume Control
• Mounting Type: Surface Mount
• Package / Case: 28-LLP
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Other names: *LM4840LQ; LM4840LQ; LM4840LQNOPB; LM4840LQNOPBTR; LM4840LQNOPBTR; LM4840LQTR

MH and LQ Specific Characteristics
LM4840MH, LM4840LQ
THD+N vs Output Power
LM4840MH, LM4840LQ
THD+N vs Frequency
Note 17: These curves show the thermal dissipation ability of the LM4840MH at different ambient temperatures given these conditions:
Typical Performance Characteristics
THD+N vs Frequency
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
2
: The part is soldered to a 2in
DS200104-70
DS200104-73
DS200104-57
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.
LM4840MH, LM4840LQ
THD+N vs Frequency
LM4840MH, LM4840LQ
Power Dissipation vs Output Power
THD+N vs Frequency
5
DS200104-65
DS200104-71
DS200104-58
LM4840MH, LM4840LQ
THD+N vs Output Power
LM4840MH(Note 17)
Power Derating Curve
THD+N vs Frequency
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DS200104-64
DS200104-72
DS200104-14