LM4842LQ/NOPB
TONE CONTROL CIRCUITManufacturer: National Semiconductor
Categories: Audio Amplifiers
Quality Control: Learn More
National Semiconductor Boomer® LM4842LQ-NOPB is a highly efficient, 2-channel Class AB audio amplifier IC. This component offers a 2.2W per channel output into a 3 Ohm load and 95mW per channel into a 32 Ohm load, ideal for portable audio applications requiring both speaker and headphone drive. Key features include integrated depop, mute, and shutdown functionalities to prevent audio artifacts during power transitions, along with thermal protection for robust operation. The device supports volume control and is supplied in a 28-WQFN (5x5) surface-mount package. Operating across a voltage range of 2.7V to 5.5V, the LM4842LQ-NOPB is suitable for consumer electronics, mobile devices, and other audio systems demanding compact, high-performance amplification.
Additional Information
Series: Boomer®RoHS Status: ROHS3 CompliantManufacturer Lead Time: No lead time information availableProduct Status: ObsoletePackaging: BulkDatasheet:Download Free CAD Model:
Technical Details:
| Features | Depop, Mute, Shutdown, Thermal Protection, Volume Control |
| Packaging | Bulk |
| Package / Case | 28-FQFN Exposed Pad |
| Output Type | 2-Channel (Stereo) with Stereo Headphones |
| Mounting Type | Surface Mount |
| Type | Class AB |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Voltage - Supply | 2.7V ~ 5.5V |
| Max Output Power x Channels @ Load | 2.2W x 2 @ 3Ohm; 95mW x 2 @ 32Ohm |
| Supplier Device Package | 28-WQFN (5x5) |
Request a Quote
Clients Also Buy
LM4952TSX/NOPB
IC AMP CLSS AB STER 3.8W TO263-9
LM4990MH/NOPB
IC AMP CLASS AB MONO 2W 10MSOP
LM4871MX/NOPB
IC AMP CLASS AB MONO 3W 8SOIC
