For Reference Only
| Part Number | LM4991LDX/NOPB |
| Manufacturer | National Semiconductor |
| Category | Integrated Circuits (ICs) › Audio Amplifiers |
| Description | LM4991 3W AUDIO POWER AMPLIFIER |
| Lifecycle | Active |
| RoHS | No RoHS Information |
| EDA/CAD Models | LM4991LDX/NOPB PCB Footprint and Symbol |
| Warehouses | USA, Europe, China, Hong Kong SAR |
| Estimated Delivery | Dec 07 - Dec 11 2025(Choose Expedited Shipping) |
| Warranty | Up to 1 year [Limited-Warranty]* |
| Payment | 
|
| Shipping |  |
| Part Number: | LM4991LDX/NOPB |
| Brand: | National Semiconductor |
| Lifecycle: | Active |
| RoHS: | Lead free / RoHS Compliant |
| Category: | Integrated Circuits (ICs) |
| Subcategory: | Audio Amplifiers |
| Manufacturer: | National Semiconductor |
| Product Status: | Active |
| Type: | Class AB |
| Output Type: | 1-Channel (Mono) |
| Max Output Power x Channels @ Load: | 3W x 1 @ 3Ohm |
| Voltage - Supply: | 2.2V ~ 5.5V |
| Features: | Depop, Shutdown, Thermal Protection |
| Mounting Type: | Surface Mount |
| Operating Temperature: | -40°C ~ 85°C (TA) |
| Supplier Device Package: | 8-WSON (4x4) |
| Package / Case: | 8-WDFN Exposed Pad |
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| In Stock | 71627 pieces - More on Order |
|---|---|
| Quote Limit | No Limit |
| Lead-Time | To be Confirmed |
| Minimum | 1 |
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| Qty. | Unit Price | Ext. Price |
|---|---|---|
| 1 | $0.71000 | $0.71 |
Due to the impact of the COVID-19,the above prices have not been updated, please resend the inquiry to us, thank you for your understanding
Please feel free to contact us for details.
