LM4990MM

audio power amplifier, 1.25 watts, space-saving packages

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Price:: US $0.30~0.70 / piece [Get Latest Price]

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	US $0.30~0.70

PartNumber:: LM4990MM

Brand:: National Semiconductor - NS | Pack: MSOP | D/C: 09+

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

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Total Price:: US $0

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Products Upload time: 2011-05-05

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Part Number:LM4990MM
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Product Summary

The LM4990MM is an audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1.25 watts of continuous average power to an 8Ω BTL load and 2 watts of continuous average power (LD and MH only) to a 4Ω BTL load with less than 1% distortion (THD+N+N) from a 5VDC power supply.

Parametrics

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℃; (8)Thermal Resistance: θJC (MSOP) 56℃/W, θJA (MSOP) 190℃/W, θJA (9 Bump micro SMD) 180℃/W, θJA (LLP) 63℃/W, θJC (LLP) 12℃/W.

Features

Features: (1)Available in space-saving packages: LLP, Exposed-DAP TSSOP, MSOP, and ITL; (2)Ultra low current shutdown mode; (3)Improved pop & click circuitry eliminates noise during turn-on and turn-off transitions; (4)2.2 - 5.5V operation; (5)No output coupling capacitors, snubber networks or bootstrap capacitors required; (6)Unity-gain stable; (7)External gain configuration capability; (8)User selectable shutdown High or Low logic Level.