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 DataSheet (433.18KB)
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The LM4923 is a fully differential audio power amplifier primarily designed for demanding applications in mobile phones and other portable communication device applications. It is capable of delivering 1.1 watt of continuous average power to an 8Ω BTL load with less than 1% distortion (THD+N) from a.
a low-power consumption shutdown mode. To facilitate this, Shutdown may be enabled by logic low. Additionally, the LM4923 features an internal thermal shutdown protection mechanism. The LM4923 contains advanced pop & click circuitry which eliminates noises which would otherwise occur during turn-on and turn-off transitions. Key Specifications j Improved PSRR at 217Hz j Power Output at 5.0V @ 1% THD+N j Power Output at 3.3V @ 1% THD+N j Shutdown Current 85dB(typ) 1.1W(typ) 400mW(typ) 0.1µA(typ) Features Fully differential amplification Available in space-saving LLP package Ultra low current .
| Distributor | Stock | Price | Buy |
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| No. | Part # | Manufacture | Description | Datasheet |
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National Semiconductor |
Stereo Headphone Amplifier |
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Texas Instruments |
Stereo Class AB Audio Subsystem |
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Texas Instruments |
Stereo Class AB Audio Subsystem |
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National Semiconductor |
Low Voltage I2S 16-Bit Stereo DAC |
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Texas Instruments |
Low Voltage I2S 16-Bit Stereo DAC |
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National Semiconductor |
80mW Stereo Headphone Amplifier |
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Texas Instruments |
1.1 Watt Fully Differential Audio Power Amplifier |
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Texas Instruments |
Stereo Headphone Audio Amplifier |
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National Semiconductor |
Stereo Headphone Audio Amplifier |
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National Semiconductor |
2 Cell/ Single Ended Output 40mW Stereo Headphone Audio Amplifier |
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National Semiconductor |
Enhanced Emissions Suppression Stereo Class D Audio Sub-System |
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Texas Instruments |
Stereo Audio Subsystem |
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National Semiconductor |
Ground-Referenced and Ultra Low Noise - Fixed Gain - 80mW Stereo Headphone Amplifier |
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Texas Instruments |
2.5 Watt Fully Differential Audio Power Amplifier |
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National Semiconductor |
2.5 Watt Fully Differential Audio Power Amplifier |
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