LM4891LD
AUDIO AMPLIFIERManufacturer: National Semiconductor
Categories: Audio Amplifiers
Quality Control: Learn More
National Semiconductor Boomer® LM4891LD is a 1-channel Class AB audio amplifier IC. This surface-mount device, housed in a 10-WSON (3x4) package, delivers 1W of output power into an 8 Ohm load. Key features include integrated depop circuitry, a shutdown pin for power management, and robust thermal protection. Operating across a supply voltage range of 2.2V to 5.5V, it is suitable for applications requiring efficient audio amplification. The LM4891LD finds use in portable electronics, consumer audio systems, and automotive infotainment. The device operates within an ambient temperature range of -40°C to 85°C.
Additional Information
Series: Boomer®RoHS Status: RoHS non-compliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Features | Depop, Shutdown, Thermal Protection |
| Packaging | Bulk |
| Package / Case | 10-WFDFN Exposed Pad |
| Output Type | 1-Channel (Mono) |
| Mounting Type | Surface Mount |
| Type | Class AB |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Voltage - Supply | 2.2V ~ 5.5V |
| Max Output Power x Channels @ Load | 1W x 1 @ 8Ohm |
| Supplier Device Package | 10-WSON (3x4) |
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