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LM4991 |
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| Part Number | LM4991 |
| Manufacturer | National Semiconductor |
| Description | The LM4991 is a mono bridged audio power amplifier capable of delivering 3W of continuous average power into a 3Ω load with less than 10% THD when powered by a 5V power supply (Note 1). To conserve po... |
| Features |
include thermal shutdown protection, unity-gain stability, and external gain set.
Note 1: An LM4991LD that has been properly mounted to a circuit board will deliver 3W into 3Ω (at 10% THD). The other package options for the LM4991 will deliver 1.5W into 8Ω (at 10% THD). See the Application Information sections for further information concerning the LM4991LD and LM4991M.
Key Specifications
n Improved PSRR at 217kHz and 1kHz 64dB (typ) n PO at VDD = 5.0V, 10% THD, 1kHz n LM4991LD (only), 3Ω, 4Ω 3W (typ), 2.5W (typ) n All packages, 8Ω load 1.5W (typ) n Shutdown current 0.1µA (typ)
Features
Avai... |
| Document |
 LM4991 Data Sheet
PDF 543.20KB |
| Distributor | Stock | Price | Buy |
|---|
| No. | Parte # | Fabricante | Descripción | Hoja de Datos |
|---|---|---|---|---|
| 1 | LM4990 |
National Semiconductor |
2 Watt Audio Power Amplifier |
|
| 2 | LM4990 |
Texas Instruments |
2 Watt Audio Power Amplifier |
|
| 3 | LM4991 |
Texas Instruments |
3W Audio Power Amplifier |
|
| 4 | LM4992 |
National Semiconductor |
420mW Stereo Cell Phone Audio Amplifier |
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| 5 | LM4992 |
Texas Instruments |
420mW Stereo Cell Phone Audio Amplifier |
|