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LM4857 |
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| Part Number | LM4857 |
| Manufacturer | National Semiconductor |
| Description | The LM4857 is an integrated audio sub-system designed for stereo cell phone applications. Operating on a 3.3V supply, it combines a stereo speaker amplifier delivering 495mW per channel into an 8Ω loa... |
| Features |
include an ultra-low current shutdown mode and thermal shutdown protection. Boomer audio power amplifiers are designed specifically to provide high quality output power with a minimal amount of external components. The LM4857 is available in a 30-bump ITL package and a 28 –lead LLP package. Key Specifications j POUT, Stereo Loudspeakers, 4Ω, 5V, 1% THD+N (LM4857SP) j POUT, Stereo Loudspeakers, 8Ω, 5V, 1.6W (typ) 1.2W (typ) 75mW (typ) 100mW (typ) 495mW (typ) 33mW (typ) 43mW (typ) 0.06µA (typ) 1% THD+N j POUT, Stereo Headphones, 32Ω, 5V, 1% THD+N j POUT, Mono Earpiece, 32Ω, 5V, 1% THD+N j P... |
| Document |
 LM4857 Data Sheet
PDF 1.48MB |
| Distributor | Stock | Price | Buy |
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| No. | Part # | Manufacture | Description | Datasheet |
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National Semiconductor |
Mono 1.5W / Stereo 300mW Power Amplifier |
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National Semiconductor |
Integrated Audio Amplifier |
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National Semiconductor |
boosted class D audio power amplifier |
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Texas Instruments |
Audio Power Amplifier |
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National Semiconductor |
Class D Audio Power Amplifier |
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Texas Instruments |
Audio Power Amplifier |
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National Semiconductor |
Integrated Audio Amplifier |
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Texas Instruments |
Audio Power Amplifier |
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National Semiconductor |
Boosted Stereo Class D Audio Power Amplifier |
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National Semiconductor |
Mono 1.5W / Stereo 300mW Power Amplifier |
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