LM4840LQ/NOPB
VOLUME CONTROL CIRCUITManufacturer: National Semiconductor
Categories: Audio Amplifiers
Quality Control: Learn More
National Semiconductor's Boomer® series LM4840LQ-NOPB is a 2-channel, Class AB audio amplifier IC. This device integrates a stereo headphone amplifier and a volume control circuit, featuring a 28-WQFN (5x5) exposed pad package for efficient surface mounting. Key functionalities include depop, input multiplexing, mute, and shutdown capabilities, alongside thermal protection. The LM4840LQ-NOPB delivers up to 2.2W per channel into a 3-ohm load, or 95mW per channel into a 32-ohm headphone load. It operates within a voltage supply range of 2.7V to 5.5V and is suitable for applications in consumer electronics and personal audio devices. The operating temperature range is -40°C to 85°C (TA).
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, Input Multiplexer, 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
