LM4992SD

stereo audio power amplifier, 6.0V, 14 mA, 55 dB, QFN

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Price:: US $0.20~0.50 / piece [Get Latest Price]

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	US $0.20~0.50

PartNumber:: LM4992SD

Brand:: National Semiconductor - NS | Pack: QFN | D/C: 07+

Availability:: Supply Ability: 10000/Week Can Ship Immediately
Delivery: 10-15 Business Days (ships out within 3 Business days)

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Products Upload time: 2012-11-27

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Part Number:LM4992SD
US $0.20 - 0.50
FM31256-G

US $2.40 - 4.20 / Piece
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P480A02

US $46.00 - 52.00 / Piece
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Product Summary

The LM4992SD is a stereo audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1 watt, per channel, of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a 5VDC power supply. Boomer audio power amplifiers were designed specifically to provide high quality output power with a minimal amount of external components. The LM4992SD does not require output coupling capacitors or bootstrap capacitors, and therefore is ideally suited for mobile phone and other low voltage applications where minimal power consumption is a primary requirement. The LM4992SD features independent shutdown control for each channel and a low-power consumption shutdown mode, which is achieved by driving both shutdown pins with logic low. Additionally, the LM4992SD features an internal thermal shutdown protection mechanism.

Parametrics

LM4992SD absolute maximum ratings: (1)Supply Voltage: 6.0V; (2)Storage Temperature: −65℃ to +150℃; (3)Input Voltage: −0.3V to VDD +0.3V; (4)Power Dissipation: Internally Limited; (5)ESD Susceptibility: 2000V; (6)ESD Susceptibility: 200V; (7)Junction Temperature: 150℃.

Features

LM4992SD features: (1)Available ispace-saving LLP package; (2)Ultra low current shutdowmode; (3)BTL output cadrive capacitive loads; (4)Improved pop & click circuitry eliminates noise during turn-oand turn-off transitions; (5)2.2 - 5.5V operation; (6)No output coupling capacitors, snubber networks or bootstrap capacitors required; (7)Unity-gaistable; (8)External gaiconfiguratiocapability.